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-rw-r--r--sysdeps/unix/alpha/pipe.S1
-rw-r--r--sysdeps/unix/alpha/sysdep.S1
-rw-r--r--sysdeps/unix/bsd/getpt.c1
-rw-r--r--sysdeps/unix/bsd/unlockpt.c1
-rw-r--r--sysdeps/unix/grantpt.c1
-rw-r--r--sysdeps/unix/ifreq.c1
-rw-r--r--sysdeps/unix/mips/mips32/sysdep.h1
-rw-r--r--sysdeps/unix/mips/mips64/sysdep.h1
-rw-r--r--sysdeps/unix/mips/pipe.S1
-rw-r--r--sysdeps/unix/mips/sysdep.S1
-rw-r--r--sysdeps/unix/mips/sysdep.h1
-rw-r--r--sysdeps/unix/sysv/linux/accept4.c1
-rw-r--r--sysdeps/unix/sysv/linux/aio_misc.h1
-rw-r--r--sysdeps/unix/sysv/linux/alpha/clone.S1
-rw-r--r--sysdeps/unix/sysv/linux/alpha/gethostname.c1
-rw-r--r--sysdeps/unix/sysv/linux/alpha/ieee_get_fp_control.S1
-rw-r--r--sysdeps/unix/sysv/linux/alpha/ieee_set_fp_control.S1
-rw-r--r--sysdeps/unix/sysv/linux/alpha/ioperm.c1
-rw-r--r--sysdeps/unix/sysv/linux/alpha/rt_sigaction.S1
-rw-r--r--sysdeps/unix/sysv/linux/alpha/syscall.S1
-rw-r--r--sysdeps/unix/sysv/linux/alpha/sysdep.h1
-rw-r--r--sysdeps/unix/sysv/linux/arc/clone.S1
-rw-r--r--sysdeps/unix/sysv/linux/arm/clone.S1
-rw-r--r--sysdeps/unix/sysv/linux/arm/dl-procinfo.c1
-rw-r--r--sysdeps/unix/sysv/linux/arm/dl-procinfo.h1
-rw-r--r--sysdeps/unix/sysv/linux/arm/ioperm.c2
-rw-r--r--sysdeps/unix/sysv/linux/arm/readelflib.c2
-rw-r--r--sysdeps/unix/sysv/linux/arm/register-dump.h1
-rw-r--r--sysdeps/unix/sysv/linux/arm/sigcontextinfo.h1
-rw-r--r--sysdeps/unix/sysv/linux/arm/sysdep.h2
-rw-r--r--sysdeps/unix/sysv/linux/arm/vfork.S1
-rw-r--r--sysdeps/unix/sysv/linux/dl-librecon.h1
-rw-r--r--sysdeps/unix/sysv/linux/dl-openat64.c1
-rw-r--r--sysdeps/unix/sysv/linux/dl-origin.c1
-rw-r--r--sysdeps/unix/sysv/linux/fstatvfs.c1
-rw-r--r--sysdeps/unix/sysv/linux/generic/____longjmp_chk.c1
-rw-r--r--sysdeps/unix/sysv/linux/generic/bits/fcntl.h1
-rw-r--r--sysdeps/unix/sysv/linux/generic/bits/typesizes.h1
-rw-r--r--sysdeps/unix/sysv/linux/generic/chmod.c1
-rw-r--r--sysdeps/unix/sysv/linux/generic/chown.c1
-rw-r--r--sysdeps/unix/sysv/linux/generic/dl-origin.c1
-rw-r--r--sysdeps/unix/sysv/linux/generic/dup2.c1
-rw-r--r--sysdeps/unix/sysv/linux/generic/epoll_create.c1
-rw-r--r--sysdeps/unix/sysv/linux/generic/inotify_init.c1
-rw-r--r--sysdeps/unix/sysv/linux/generic/lchown.c1
-rw-r--r--sysdeps/unix/sysv/linux/generic/link.c1
-rw-r--r--sysdeps/unix/sysv/linux/generic/mkdir.c1
-rw-r--r--sysdeps/unix/sysv/linux/generic/pipe.c1
-rw-r--r--sysdeps/unix/sysv/linux/generic/readlink.c1
-rw-r--r--sysdeps/unix/sysv/linux/generic/rmdir.c1
-rw-r--r--sysdeps/unix/sysv/linux/generic/symlink.c1
-rw-r--r--sysdeps/unix/sysv/linux/generic/sysdep.h1
-rw-r--r--sysdeps/unix/sysv/linux/generic/unlink.c1
-rw-r--r--sysdeps/unix/sysv/linux/generic/wordsize-32/sendfile.c1
-rw-r--r--sysdeps/unix/sysv/linux/getcwd.c1
-rw-r--r--sysdeps/unix/sysv/linux/getipv4sourcefilter.c1
-rw-r--r--sysdeps/unix/sysv/linux/getpt.c1
-rw-r--r--sysdeps/unix/sysv/linux/getsourcefilter.c1
-rw-r--r--sysdeps/unix/sysv/linux/getsysstats.c1
-rw-r--r--sysdeps/unix/sysv/linux/grantpt.c1
-rw-r--r--sysdeps/unix/sysv/linux/hppa/atomic-machine.h1
-rw-r--r--sysdeps/unix/sysv/linux/hppa/clone.S2
-rw-r--r--sysdeps/unix/sysv/linux/hppa/getcontext.S1
-rw-r--r--sysdeps/unix/sysv/linux/hppa/makecontext.c1
-rw-r--r--sysdeps/unix/sysv/linux/hppa/setcontext.S1
-rw-r--r--sysdeps/unix/sysv/linux/hppa/swapcontext.c1
-rw-r--r--sysdeps/unix/sysv/linux/hppa/sysdep.h2
-rw-r--r--sysdeps/unix/sysv/linux/i386/clone.S1
-rw-r--r--sysdeps/unix/sysv/linux/i386/dl-librecon.h1
-rw-r--r--sysdeps/unix/sysv/linux/i386/dl-procinfo.h1
-rw-r--r--sysdeps/unix/sysv/linux/i386/getcontext.S1
-rw-r--r--sysdeps/unix/sysv/linux/i386/makecontext.S1
-rw-r--r--sysdeps/unix/sysv/linux/i386/register-dump.h1
-rw-r--r--sysdeps/unix/sysv/linux/i386/setcontext.S1
-rw-r--r--sysdeps/unix/sysv/linux/i386/sigcontextinfo.h1
-rw-r--r--sysdeps/unix/sysv/linux/i386/swapcontext.S1
-rw-r--r--sysdeps/unix/sysv/linux/i386/sysdep.h1
-rw-r--r--sysdeps/unix/sysv/linux/i386/vfork.S1
-rw-r--r--sysdeps/unix/sysv/linux/ia64/__ia64_longjmp.S1
-rw-r--r--sysdeps/unix/sysv/linux/ia64/__longjmp.S1
-rw-r--r--sysdeps/unix/sysv/linux/ia64/__sigstack_longjmp.c1
-rw-r--r--sysdeps/unix/sysv/linux/ia64/__start_context.S1
-rw-r--r--sysdeps/unix/sysv/linux/ia64/bits/setjmp.h1
-rw-r--r--sysdeps/unix/sysv/linux/ia64/bits/sigcontext.h1
-rw-r--r--sysdeps/unix/sysv/linux/ia64/getcontext.S1
-rw-r--r--sysdeps/unix/sysv/linux/ia64/ioperm.c1
-rw-r--r--sysdeps/unix/sysv/linux/ia64/makecontext.c1
-rw-r--r--sysdeps/unix/sysv/linux/ia64/pipe.S1
-rw-r--r--sysdeps/unix/sysv/linux/ia64/register-dump.h1
-rw-r--r--sysdeps/unix/sysv/linux/ia64/setcontext.S1
-rw-r--r--sysdeps/unix/sysv/linux/ia64/setjmp.S1
-rw-r--r--sysdeps/unix/sysv/linux/ia64/swapcontext.c1
-rw-r--r--sysdeps/unix/sysv/linux/ia64/sys/io.h1
-rw-r--r--sysdeps/unix/sysv/linux/ia64/sys/rse.h1
-rw-r--r--sysdeps/unix/sysv/linux/ia64/syscall.S1
-rw-r--r--sysdeps/unix/sysv/linux/ia64/sysdep.S1
-rw-r--r--sysdeps/unix/sysv/linux/ia64/sysdep.h2
-rw-r--r--sysdeps/unix/sysv/linux/ia64/ucontext_i.h1
-rw-r--r--sysdeps/unix/sysv/linux/ifreq.c1
-rw-r--r--sysdeps/unix/sysv/linux/internal_statvfs.c1
-rw-r--r--sysdeps/unix/sysv/linux/kernel-posix-timers.h1
-rw-r--r--sysdeps/unix/sysv/linux/lddlibc4.c1
-rw-r--r--sysdeps/unix/sysv/linux/m68k/clone.S1
-rw-r--r--sysdeps/unix/sysv/linux/m68k/coldfire/atomic-machine.h1
-rw-r--r--sysdeps/unix/sysv/linux/m68k/getpagesize.c1
-rw-r--r--sysdeps/unix/sysv/linux/m68k/register-dump.h1
-rw-r--r--sysdeps/unix/sysv/linux/m68k/sigcontextinfo.h1
-rw-r--r--sysdeps/unix/sysv/linux/m68k/sysdep.h2
-rw-r--r--sysdeps/unix/sysv/linux/m68k/vfork.S1
-rw-r--r--sysdeps/unix/sysv/linux/mips/_test_and_set.c1
-rw-r--r--sysdeps/unix/sysv/linux/mips/clone.S1
-rw-r--r--sysdeps/unix/sysv/linux/mips/getcontext.S1
-rw-r--r--sysdeps/unix/sysv/linux/mips/makecontext.S1
-rw-r--r--sysdeps/unix/sysv/linux/mips/readelflib.c4
-rw-r--r--sysdeps/unix/sysv/linux/mips/register-dump.h1
-rw-r--r--sysdeps/unix/sysv/linux/mips/setcontext.S1
-rw-r--r--sysdeps/unix/sysv/linux/mips/sigcontextinfo.h1
-rw-r--r--sysdeps/unix/sysv/linux/mips/swapcontext.S1
-rw-r--r--sysdeps/unix/sysv/linux/mips/ustat.c1
-rw-r--r--sysdeps/unix/sysv/linux/mmap64.c1
-rw-r--r--sysdeps/unix/sysv/linux/mq_notify.c1
-rw-r--r--sysdeps/unix/sysv/linux/msgctl.c1
-rw-r--r--sysdeps/unix/sysv/linux/msgget.c1
-rw-r--r--sysdeps/unix/sysv/linux/msgrcv.c1
-rw-r--r--sysdeps/unix/sysv/linux/msgsnd.c1
-rw-r--r--sysdeps/unix/sysv/linux/net/if_arp.h1
-rw-r--r--sysdeps/unix/sysv/linux/nios2/clone.S1
-rw-r--r--sysdeps/unix/sysv/linux/nios2/kernel_stat.h1
-rw-r--r--sysdeps/unix/sysv/linux/not-cancel.h1
-rw-r--r--sysdeps/unix/sysv/linux/nscd_setup_thread.c1
-rw-r--r--sysdeps/unix/sysv/linux/open.c1
-rw-r--r--sysdeps/unix/sysv/linux/ppoll.c1
-rw-r--r--sysdeps/unix/sysv/linux/pread.c1
-rw-r--r--sysdeps/unix/sysv/linux/pread64.c1
-rw-r--r--sysdeps/unix/sysv/linux/pselect.c1
-rw-r--r--sysdeps/unix/sysv/linux/ptsname.c1
-rw-r--r--sysdeps/unix/sysv/linux/pwrite.c1
-rw-r--r--sysdeps/unix/sysv/linux/pwrite64.c1
-rw-r--r--sysdeps/unix/sysv/linux/recvmmsg.c1
-rw-r--r--sysdeps/unix/sysv/linux/s390/bits/elfclass.h1
-rw-r--r--sysdeps/unix/sysv/linux/s390/dl-procinfo.h1
-rw-r--r--sysdeps/unix/sysv/linux/s390/s390-32/____longjmp_chk.c1
-rw-r--r--sysdeps/unix/sysv/linux/s390/s390-32/clone.S1
-rw-r--r--sysdeps/unix/sysv/linux/s390/s390-32/getcontext.S1
-rw-r--r--sysdeps/unix/sysv/linux/s390/s390-32/getutent.c1
-rw-r--r--sysdeps/unix/sysv/linux/s390/s390-32/getutent_r.c1
-rw-r--r--sysdeps/unix/sysv/linux/s390/s390-32/getutid.c1
-rw-r--r--sysdeps/unix/sysv/linux/s390/s390-32/getutid_r.c1
-rw-r--r--sysdeps/unix/sysv/linux/s390/s390-32/getutline.c1
-rw-r--r--sysdeps/unix/sysv/linux/s390/s390-32/getutline_r.c1
-rw-r--r--sysdeps/unix/sysv/linux/s390/s390-32/getutmp.c1
-rw-r--r--sysdeps/unix/sysv/linux/s390/s390-32/getutxent.c1
-rw-r--r--sysdeps/unix/sysv/linux/s390/s390-32/getutxid.c1
-rw-r--r--sysdeps/unix/sysv/linux/s390/s390-32/getutxline.c1
-rw-r--r--sysdeps/unix/sysv/linux/s390/s390-32/login.c1
-rw-r--r--sysdeps/unix/sysv/linux/s390/s390-32/login32.c1
-rw-r--r--sysdeps/unix/sysv/linux/s390/s390-32/makecontext.c1
-rw-r--r--sysdeps/unix/sysv/linux/s390/s390-32/pututxline.c1
-rw-r--r--sysdeps/unix/sysv/linux/s390/s390-32/register-dump.h1
-rw-r--r--sysdeps/unix/sysv/linux/s390/s390-32/setcontext.S1
-rw-r--r--sysdeps/unix/sysv/linux/s390/s390-32/swapcontext.S1
-rw-r--r--sysdeps/unix/sysv/linux/s390/s390-32/syscall.S1
-rw-r--r--sysdeps/unix/sysv/linux/s390/s390-32/sysdep.S1
-rw-r--r--sysdeps/unix/sysv/linux/s390/s390-32/sysdep.h1
-rw-r--r--sysdeps/unix/sysv/linux/s390/s390-32/updwtmp.c1
-rw-r--r--sysdeps/unix/sysv/linux/s390/s390-32/updwtmpx.c1
-rw-r--r--sysdeps/unix/sysv/linux/s390/s390-32/utmp-compat.h1
-rw-r--r--sysdeps/unix/sysv/linux/s390/s390-32/utmp-convert.h1
-rw-r--r--sysdeps/unix/sysv/linux/s390/s390-32/utmp32.c1
-rw-r--r--sysdeps/unix/sysv/linux/s390/s390-32/utmpx-convert.h1
-rw-r--r--sysdeps/unix/sysv/linux/s390/s390-32/utmpx32.c1
-rw-r--r--sysdeps/unix/sysv/linux/s390/s390-32/vfork.S1
-rw-r--r--sysdeps/unix/sysv/linux/s390/s390-64/____longjmp_chk.c1
-rw-r--r--sysdeps/unix/sysv/linux/s390/s390-64/clone.S1
-rw-r--r--sysdeps/unix/sysv/linux/s390/s390-64/getcontext.S1
-rw-r--r--sysdeps/unix/sysv/linux/s390/s390-64/makecontext.c1
-rw-r--r--sysdeps/unix/sysv/linux/s390/s390-64/register-dump.h1
-rw-r--r--sysdeps/unix/sysv/linux/s390/s390-64/setcontext.S1
-rw-r--r--sysdeps/unix/sysv/linux/s390/s390-64/swapcontext.S1
-rw-r--r--sysdeps/unix/sysv/linux/s390/s390-64/syscall.S1
-rw-r--r--sysdeps/unix/sysv/linux/s390/s390-64/sysdep.S1
-rw-r--r--sysdeps/unix/sysv/linux/s390/s390-64/sysdep.h1
-rw-r--r--sysdeps/unix/sysv/linux/s390/s390-64/vfork.S1
-rw-r--r--sysdeps/unix/sysv/linux/s390/sigcontextinfo.h1
-rw-r--r--sysdeps/unix/sysv/linux/s390/sys/ptrace.h1
-rw-r--r--sysdeps/unix/sysv/linux/s390/sys/ucontext.h1
-rw-r--r--sysdeps/unix/sysv/linux/semctl.c1
-rw-r--r--sysdeps/unix/sysv/linux/semget.c1
-rw-r--r--sysdeps/unix/sysv/linux/semop.c1
-rw-r--r--sysdeps/unix/sysv/linux/semtimedop.c1
-rw-r--r--sysdeps/unix/sysv/linux/sendmmsg.c1
-rw-r--r--sysdeps/unix/sysv/linux/setipv4sourcefilter.c1
-rw-r--r--sysdeps/unix/sysv/linux/setsourcefilter.c1
-rw-r--r--sysdeps/unix/sysv/linux/sh/sigcontextinfo.h1
-rw-r--r--sysdeps/unix/sysv/linux/sh/sysdep.h2
-rw-r--r--sysdeps/unix/sysv/linux/shmat.c1
-rw-r--r--sysdeps/unix/sysv/linux/shmctl.c1
-rw-r--r--sysdeps/unix/sysv/linux/shmdt.c1
-rw-r--r--sysdeps/unix/sysv/linux/shmget.c1
-rw-r--r--sysdeps/unix/sysv/linux/sigset-cvt-mask.h1
-rw-r--r--sysdeps/unix/sysv/linux/sigstack.c1
-rw-r--r--sysdeps/unix/sysv/linux/sparc/readelflib.c2
-rw-r--r--sysdeps/unix/sysv/linux/sparc/sparc32/clone.S1
-rw-r--r--sysdeps/unix/sysv/linux/sparc/sparc32/getcontext.S1
-rw-r--r--sysdeps/unix/sysv/linux/sparc/sparc32/libc_sigaction.c1
-rw-r--r--sysdeps/unix/sysv/linux/sparc/sparc32/makecontext.c1
-rw-r--r--sysdeps/unix/sysv/linux/sparc/sparc32/pipe.S1
-rw-r--r--sysdeps/unix/sysv/linux/sparc/sparc32/register-dump.h1
-rw-r--r--sysdeps/unix/sysv/linux/sparc/sparc32/setcontext.S1
-rw-r--r--sysdeps/unix/sysv/linux/sparc/sparc32/sigcontextinfo.h1
-rw-r--r--sysdeps/unix/sysv/linux/sparc/sparc32/swapcontext.S1
-rw-r--r--sysdeps/unix/sysv/linux/sparc/sparc32/sysdep.h1
-rw-r--r--sysdeps/unix/sysv/linux/sparc/sparc32/vfork.S1
-rw-r--r--sysdeps/unix/sysv/linux/sparc/sparc64/clone.S1
-rw-r--r--sysdeps/unix/sysv/linux/sparc/sparc64/getcontext.S1
-rw-r--r--sysdeps/unix/sysv/linux/sparc/sparc64/libc_sigaction.c2
-rw-r--r--sysdeps/unix/sysv/linux/sparc/sparc64/longjmp.S1
-rw-r--r--sysdeps/unix/sysv/linux/sparc/sparc64/makecontext.c1
-rw-r--r--sysdeps/unix/sysv/linux/sparc/sparc64/pipe.S1
-rw-r--r--sysdeps/unix/sysv/linux/sparc/sparc64/register-dump.h1
-rw-r--r--sysdeps/unix/sysv/linux/sparc/sparc64/setcontext.S1
-rw-r--r--sysdeps/unix/sysv/linux/sparc/sparc64/setjmp.S1
-rw-r--r--sysdeps/unix/sysv/linux/sparc/sparc64/sigcontextinfo.h1
-rw-r--r--sysdeps/unix/sysv/linux/sparc/sparc64/swapcontext.c1
-rw-r--r--sysdeps/unix/sysv/linux/sparc/sparc64/sysdep.h1
-rw-r--r--sysdeps/unix/sysv/linux/sparc/sparc64/ucontext_i.h1
-rw-r--r--sysdeps/unix/sysv/linux/sparc/sparc64/vfork.S1
-rw-r--r--sysdeps/unix/sysv/linux/sparc/sysdep.h1
-rw-r--r--sysdeps/unix/sysv/linux/statfs.c1
-rw-r--r--sysdeps/unix/sysv/linux/statvfs.c1
-rw-r--r--sysdeps/unix/sysv/linux/timer_create.c1
-rw-r--r--sysdeps/unix/sysv/linux/timer_delete.c1
-rw-r--r--sysdeps/unix/sysv/linux/timer_getoverr.c1
-rw-r--r--sysdeps/unix/sysv/linux/timer_gettime.c1
-rw-r--r--sysdeps/unix/sysv/linux/timer_routines.c1
-rw-r--r--sysdeps/unix/sysv/linux/timer_settime.c1
-rw-r--r--sysdeps/unix/sysv/linux/umount.c1
-rw-r--r--sysdeps/unix/sysv/linux/unlockpt.c1
-rw-r--r--sysdeps/unix/sysv/linux/updwtmp.c1
-rw-r--r--sysdeps/unix/sysv/linux/ustat.c1
-rw-r--r--sysdeps/unix/sysv/linux/utmp_file.c1
-rw-r--r--sysdeps/unix/sysv/linux/x86/readelflib.c2
-rw-r--r--sysdeps/unix/sysv/linux/x86_64/__start_context.S1
-rw-r--r--sysdeps/unix/sysv/linux/x86_64/getcontext.S1
-rw-r--r--sysdeps/unix/sysv/linux/x86_64/makecontext.c1
-rw-r--r--sysdeps/unix/sysv/linux/x86_64/setcontext.S1
-rw-r--r--sysdeps/unix/sysv/linux/x86_64/swapcontext.S1
247 files changed, 0 insertions, 261 deletions
diff --git a/sysdeps/unix/alpha/pipe.S b/sysdeps/unix/alpha/pipe.S
index 1f3d074670..45944535cd 100644
--- a/sysdeps/unix/alpha/pipe.S
+++ b/sysdeps/unix/alpha/pipe.S
@@ -1,6 +1,5 @@
 /* Copyright (C) 1993-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by David Mosberger (davidm@cs.arizona.edu).
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/alpha/sysdep.S b/sysdeps/unix/alpha/sysdep.S
index af70f6398b..64a67766d2 100644
--- a/sysdeps/unix/alpha/sysdep.S
+++ b/sysdeps/unix/alpha/sysdep.S
@@ -1,6 +1,5 @@
 /* Copyright (C) 1993-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Brendan Kehoe (brendan@zen.org).
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/bsd/getpt.c b/sysdeps/unix/bsd/getpt.c
index 2fa6632327..47db10e1e2 100644
--- a/sysdeps/unix/bsd/getpt.c
+++ b/sysdeps/unix/bsd/getpt.c
@@ -1,6 +1,5 @@
 /* Copyright (C) 1998-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Zack Weinberg <zack@rabi.phys.columbia.edu>, 1998.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/bsd/unlockpt.c b/sysdeps/unix/bsd/unlockpt.c
index 181e615cc6..100a272bc3 100644
--- a/sysdeps/unix/bsd/unlockpt.c
+++ b/sysdeps/unix/bsd/unlockpt.c
@@ -1,6 +1,5 @@
 /* Copyright (C) 1998-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Zack Weinberg <zack@rabi.phys.columbia.edu>, 1998.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/grantpt.c b/sysdeps/unix/grantpt.c
index 6269ee2bd6..abc32addd8 100644
--- a/sysdeps/unix/grantpt.c
+++ b/sysdeps/unix/grantpt.c
@@ -1,6 +1,5 @@
 /* Copyright (C) 1998-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Zack Weinberg <zack@rabi.phys.columbia.edu>, 1998.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/ifreq.c b/sysdeps/unix/ifreq.c
index 5dfedf03ea..8b70e16bc3 100644
--- a/sysdeps/unix/ifreq.c
+++ b/sysdeps/unix/ifreq.c
@@ -1,6 +1,5 @@
 /* Copyright (C) 1999-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Andreas Jaeger <aj@suse.de>.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/mips/mips32/sysdep.h b/sysdeps/unix/mips/mips32/sysdep.h
index 21f22462db..97d3d8deba 100644
--- a/sysdeps/unix/mips/mips32/sysdep.h
+++ b/sysdeps/unix/mips/mips32/sysdep.h
@@ -1,6 +1,5 @@
 /* Copyright (C) 1992-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Brendan Kehoe (brendan@zen.org).
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/mips/mips64/sysdep.h b/sysdeps/unix/mips/mips64/sysdep.h
index 5232afc668..800f547a79 100644
--- a/sysdeps/unix/mips/mips64/sysdep.h
+++ b/sysdeps/unix/mips/mips64/sysdep.h
@@ -1,6 +1,5 @@
 /* Copyright (C) 1992-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Alexandre Oliva <aoliva@redhat.com>.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/mips/pipe.S b/sysdeps/unix/mips/pipe.S
index 066d6cd72d..6fbea01d44 100644
--- a/sysdeps/unix/mips/pipe.S
+++ b/sysdeps/unix/mips/pipe.S
@@ -1,6 +1,5 @@
 /* Copyright (C) 1992-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Brendan Kehoe (brendan@zen.org).
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/mips/sysdep.S b/sysdeps/unix/mips/sysdep.S
index 7031e7986d..c4d72e7181 100644
--- a/sysdeps/unix/mips/sysdep.S
+++ b/sysdeps/unix/mips/sysdep.S
@@ -1,6 +1,5 @@
 /* Copyright (C) 1992-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Brendan Kehoe (brendan@zen.org).
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/mips/sysdep.h b/sysdeps/unix/mips/sysdep.h
index 2910f8ece9..1457253fef 100644
--- a/sysdeps/unix/mips/sysdep.h
+++ b/sysdeps/unix/mips/sysdep.h
@@ -1,6 +1,5 @@
 /* Copyright (C) 1992-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Brendan Kehoe (brendan@zen.org).
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/accept4.c b/sysdeps/unix/sysv/linux/accept4.c
index d19c4126c6..9f3216a4f0 100644
--- a/sysdeps/unix/sysv/linux/accept4.c
+++ b/sysdeps/unix/sysv/linux/accept4.c
@@ -1,6 +1,5 @@
 /* Copyright (C) 2008-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@redhat.com>, 2008.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/aio_misc.h b/sysdeps/unix/sysv/linux/aio_misc.h
index 8934402372..29b527b1b8 100644
--- a/sysdeps/unix/sysv/linux/aio_misc.h
+++ b/sysdeps/unix/sysv/linux/aio_misc.h
@@ -1,6 +1,5 @@
 /* Copyright (C) 2004-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Jakub Jelinek <jakub@redhat.com>, 2004.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public License as
diff --git a/sysdeps/unix/sysv/linux/alpha/clone.S b/sysdeps/unix/sysv/linux/alpha/clone.S
index 3c25f26ee8..4b9e9c2b10 100644
--- a/sysdeps/unix/sysv/linux/alpha/clone.S
+++ b/sysdeps/unix/sysv/linux/alpha/clone.S
@@ -1,6 +1,5 @@
 /* Copyright (C) 1996-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Richard Henderson <rth@tamu.edu>, 1996.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/alpha/gethostname.c b/sysdeps/unix/sysv/linux/alpha/gethostname.c
index 850b8beca3..f637aa7e97 100644
--- a/sysdeps/unix/sysv/linux/alpha/gethostname.c
+++ b/sysdeps/unix/sysv/linux/alpha/gethostname.c
@@ -1,6 +1,5 @@
 /* Copyright (C) 2001-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@redhat.com>, 2001
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/alpha/ieee_get_fp_control.S b/sysdeps/unix/sysv/linux/alpha/ieee_get_fp_control.S
index a21f27c4be..6688628b28 100644
--- a/sysdeps/unix/sysv/linux/alpha/ieee_get_fp_control.S
+++ b/sysdeps/unix/sysv/linux/alpha/ieee_get_fp_control.S
@@ -1,6 +1,5 @@
 /* Copyright (C) 1993-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by David Mosberger <davidm@azstarnet.com>, 1995.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/alpha/ieee_set_fp_control.S b/sysdeps/unix/sysv/linux/alpha/ieee_set_fp_control.S
index 022a23aed5..106a66a86f 100644
--- a/sysdeps/unix/sysv/linux/alpha/ieee_set_fp_control.S
+++ b/sysdeps/unix/sysv/linux/alpha/ieee_set_fp_control.S
@@ -1,6 +1,5 @@
 /* Copyright (C) 1993-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by David Mosberger <davidm@azstarnet.com>, 1995.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/alpha/ioperm.c b/sysdeps/unix/sysv/linux/alpha/ioperm.c
index 73a25b2f6b..2b283e72b5 100644
--- a/sysdeps/unix/sysv/linux/alpha/ioperm.c
+++ b/sysdeps/unix/sysv/linux/alpha/ioperm.c
@@ -1,6 +1,5 @@
 /* Copyright (C) 1992-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by David Mosberger.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/alpha/rt_sigaction.S b/sysdeps/unix/sysv/linux/alpha/rt_sigaction.S
index b21d0dac1f..b8ecc2d1b0 100644
--- a/sysdeps/unix/sysv/linux/alpha/rt_sigaction.S
+++ b/sysdeps/unix/sysv/linux/alpha/rt_sigaction.S
@@ -1,6 +1,5 @@
 /* Copyright (C) 1998-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Richard Henderson <rth@cygnus.com>, 1998
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/alpha/syscall.S b/sysdeps/unix/sysv/linux/alpha/syscall.S
index 9545840f66..1f7df8fbf9 100644
--- a/sysdeps/unix/sysv/linux/alpha/syscall.S
+++ b/sysdeps/unix/sysv/linux/alpha/syscall.S
@@ -1,6 +1,5 @@
 /* Copyright (C) 1996-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by David Mosberger <davidm@azstarnet.com>, 1996.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/alpha/sysdep.h b/sysdeps/unix/sysv/linux/alpha/sysdep.h
index a000c845f1..741d2384a8 100644
--- a/sysdeps/unix/sysv/linux/alpha/sysdep.h
+++ b/sysdeps/unix/sysv/linux/alpha/sysdep.h
@@ -1,6 +1,5 @@
 /* Copyright (C) 1992-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper, <drepper@gnu.ai.mit.edu>, August 1995.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/arc/clone.S b/sysdeps/unix/sysv/linux/arc/clone.S
index 76947ac2c7..9960cb0cea 100644
--- a/sysdeps/unix/sysv/linux/arc/clone.S
+++ b/sysdeps/unix/sysv/linux/arc/clone.S
@@ -1,7 +1,6 @@
 /* clone() implementation for ARC.
    Copyright (C) 2020-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Andrew Jenner <andrew@codesourcery.com>, 2008.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/arm/clone.S b/sysdeps/unix/sysv/linux/arm/clone.S
index 05596cb7a5..232422c382 100644
--- a/sysdeps/unix/sysv/linux/arm/clone.S
+++ b/sysdeps/unix/sysv/linux/arm/clone.S
@@ -1,6 +1,5 @@
 /* Copyright (C) 1996-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Pat Beirne <patb@corelcomputer.com>
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/arm/dl-procinfo.c b/sysdeps/unix/sysv/linux/arm/dl-procinfo.c
index 1e12ee683c..f348520f3c 100644
--- a/sysdeps/unix/sysv/linux/arm/dl-procinfo.c
+++ b/sysdeps/unix/sysv/linux/arm/dl-procinfo.c
@@ -1,7 +1,6 @@
 /* Data for Linux/ARM version of processor capability information.
    Copyright (C) 2001-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Philip Blundell <philb@gnu.org>, 2001.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/arm/dl-procinfo.h b/sysdeps/unix/sysv/linux/arm/dl-procinfo.h
index b3ad719c91..ec13f550d0 100644
--- a/sysdeps/unix/sysv/linux/arm/dl-procinfo.h
+++ b/sysdeps/unix/sysv/linux/arm/dl-procinfo.h
@@ -1,7 +1,6 @@
 /* Linux/ARM version of processor capability information handling macros.
    Copyright (C) 2001-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Philip Blundell <philb@gnu.org>, 2001.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/arm/ioperm.c b/sysdeps/unix/sysv/linux/arm/ioperm.c
index 8309ce4032..fd83de582a 100644
--- a/sysdeps/unix/sysv/linux/arm/ioperm.c
+++ b/sysdeps/unix/sysv/linux/arm/ioperm.c
@@ -1,7 +1,5 @@
 /* Copyright (C) 1998-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Phil Blundell, based on the Alpha version by
-   David Mosberger.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/arm/readelflib.c b/sysdeps/unix/sysv/linux/arm/readelflib.c
index ade2f49aeb..6b83f2c942 100644
--- a/sysdeps/unix/sysv/linux/arm/readelflib.c
+++ b/sysdeps/unix/sysv/linux/arm/readelflib.c
@@ -1,7 +1,5 @@
 /* Copyright (C) 1999-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Andreas Jaeger <aj@suse.de>, 1999 and
-		  Jakub Jelinek <jakub@redhat.com>, 1999.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/arm/register-dump.h b/sysdeps/unix/sysv/linux/arm/register-dump.h
index b73a1515a8..80efdcdbb0 100644
--- a/sysdeps/unix/sysv/linux/arm/register-dump.h
+++ b/sysdeps/unix/sysv/linux/arm/register-dump.h
@@ -1,7 +1,6 @@
 /* Dump registers.
    Copyright (C) 1998-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Philip Blundell <pb@nexus.co.uk>, 1998.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/arm/sigcontextinfo.h b/sysdeps/unix/sysv/linux/arm/sigcontextinfo.h
index 623d1fa273..03deec9f52 100644
--- a/sysdeps/unix/sysv/linux/arm/sigcontextinfo.h
+++ b/sysdeps/unix/sysv/linux/arm/sigcontextinfo.h
@@ -1,6 +1,5 @@
 /* Copyright (C) 1999-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Philip Blundell <philb@gnu.org>, 1999.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/arm/sysdep.h b/sysdeps/unix/sysv/linux/arm/sysdep.h
index c1722557bd..e25b8065ce 100644
--- a/sysdeps/unix/sysv/linux/arm/sysdep.h
+++ b/sysdeps/unix/sysv/linux/arm/sysdep.h
@@ -1,7 +1,5 @@
 /* Copyright (C) 1992-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper, <drepper@gnu.ai.mit.edu>, August 1995.
-   ARM changes by Philip Blundell, <pjb27@cam.ac.uk>, May 1997.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/arm/vfork.S b/sysdeps/unix/sysv/linux/arm/vfork.S
index 3f355c8ef9..11be0a0966 100644
--- a/sysdeps/unix/sysv/linux/arm/vfork.S
+++ b/sysdeps/unix/sysv/linux/arm/vfork.S
@@ -1,6 +1,5 @@
 /* Copyright (C) 1999-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Philip Blundell <philb@gnu.org>.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/dl-librecon.h b/sysdeps/unix/sysv/linux/dl-librecon.h
index 585330c15d..34212344d5 100644
--- a/sysdeps/unix/sysv/linux/dl-librecon.h
+++ b/sysdeps/unix/sysv/linux/dl-librecon.h
@@ -1,7 +1,6 @@
 /* Optional code to distinguish library flavours.
    Copyright (C) 2001-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Jakub Jelinek <jakub@redhat.com>, 2001.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/dl-openat64.c b/sysdeps/unix/sysv/linux/dl-openat64.c
index 9a1fa78d22..d4f5f9aedb 100644
--- a/sysdeps/unix/sysv/linux/dl-openat64.c
+++ b/sysdeps/unix/sysv/linux/dl-openat64.c
@@ -1,6 +1,5 @@
 /* Copyright (C) 2011-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@gmain.com>, 2003.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/dl-origin.c b/sysdeps/unix/sysv/linux/dl-origin.c
index 9f749e0251..9d4eaaeecc 100644
--- a/sysdeps/unix/sysv/linux/dl-origin.c
+++ b/sysdeps/unix/sysv/linux/dl-origin.c
@@ -1,7 +1,6 @@
 /* Find path of executable.
    Copyright (C) 1998-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/fstatvfs.c b/sysdeps/unix/sysv/linux/fstatvfs.c
index ba3fd22cfb..18aeed19bc 100644
--- a/sysdeps/unix/sysv/linux/fstatvfs.c
+++ b/sysdeps/unix/sysv/linux/fstatvfs.c
@@ -1,6 +1,5 @@
 /* Copyright (C) 1998-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/generic/____longjmp_chk.c b/sysdeps/unix/sysv/linux/generic/____longjmp_chk.c
index 8bada637e6..3f8d6e5ae6 100644
--- a/sysdeps/unix/sysv/linux/generic/____longjmp_chk.c
+++ b/sysdeps/unix/sysv/linux/generic/____longjmp_chk.c
@@ -1,6 +1,5 @@
 /* Copyright (C) 2011-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/generic/bits/fcntl.h b/sysdeps/unix/sysv/linux/generic/bits/fcntl.h
index 8e05c72af7..aba2c4e9fd 100644
--- a/sysdeps/unix/sysv/linux/generic/bits/fcntl.h
+++ b/sysdeps/unix/sysv/linux/generic/bits/fcntl.h
@@ -1,7 +1,6 @@
 /* O_*, F_*, FD_* bit values for the generic Linux ABI.
    Copyright (C) 2011-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/generic/bits/typesizes.h b/sysdeps/unix/sysv/linux/generic/bits/typesizes.h
index 0dd33638f0..c658dfdf60 100644
--- a/sysdeps/unix/sysv/linux/generic/bits/typesizes.h
+++ b/sysdeps/unix/sysv/linux/generic/bits/typesizes.h
@@ -1,7 +1,6 @@
 /* bits/typesizes.h -- underlying types for *_t.  For the generic Linux ABI.
    Copyright (C) 2011-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/generic/chmod.c b/sysdeps/unix/sysv/linux/generic/chmod.c
index a27cc1b06f..9bd1b9668c 100644
--- a/sysdeps/unix/sysv/linux/generic/chmod.c
+++ b/sysdeps/unix/sysv/linux/generic/chmod.c
@@ -1,6 +1,5 @@
 /* Copyright (C) 2011-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/generic/chown.c b/sysdeps/unix/sysv/linux/generic/chown.c
index d8e8b992f0..9ef050a57a 100644
--- a/sysdeps/unix/sysv/linux/generic/chown.c
+++ b/sysdeps/unix/sysv/linux/generic/chown.c
@@ -1,6 +1,5 @@
 /* Copyright (C) 2011-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/generic/dl-origin.c b/sysdeps/unix/sysv/linux/generic/dl-origin.c
index 786359979b..b39591e853 100644
--- a/sysdeps/unix/sysv/linux/generic/dl-origin.c
+++ b/sysdeps/unix/sysv/linux/generic/dl-origin.c
@@ -1,7 +1,6 @@
 /* Find path of executable.
    Copyright (C) 1998-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/generic/dup2.c b/sysdeps/unix/sysv/linux/generic/dup2.c
index 3fedb265c5..ab6f82cf99 100644
--- a/sysdeps/unix/sysv/linux/generic/dup2.c
+++ b/sysdeps/unix/sysv/linux/generic/dup2.c
@@ -1,6 +1,5 @@
 /* Copyright (C) 2011-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/generic/epoll_create.c b/sysdeps/unix/sysv/linux/generic/epoll_create.c
index 2f433ab9bc..bfbdf5ca20 100644
--- a/sysdeps/unix/sysv/linux/generic/epoll_create.c
+++ b/sysdeps/unix/sysv/linux/generic/epoll_create.c
@@ -1,6 +1,5 @@
 /* Copyright (C) 2011-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/generic/inotify_init.c b/sysdeps/unix/sysv/linux/generic/inotify_init.c
index e5979a0967..1077cba17a 100644
--- a/sysdeps/unix/sysv/linux/generic/inotify_init.c
+++ b/sysdeps/unix/sysv/linux/generic/inotify_init.c
@@ -1,6 +1,5 @@
 /* Copyright (C) 2011-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/generic/lchown.c b/sysdeps/unix/sysv/linux/generic/lchown.c
index 048ad40413..a7218028e1 100644
--- a/sysdeps/unix/sysv/linux/generic/lchown.c
+++ b/sysdeps/unix/sysv/linux/generic/lchown.c
@@ -1,6 +1,5 @@
 /* Copyright (C) 2011-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/generic/link.c b/sysdeps/unix/sysv/linux/generic/link.c
index b71ebf1c88..d4a7adcc85 100644
--- a/sysdeps/unix/sysv/linux/generic/link.c
+++ b/sysdeps/unix/sysv/linux/generic/link.c
@@ -1,6 +1,5 @@
 /* Copyright (C) 2011-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/generic/mkdir.c b/sysdeps/unix/sysv/linux/generic/mkdir.c
index 45a0f96f4d..fb12b9c1f3 100644
--- a/sysdeps/unix/sysv/linux/generic/mkdir.c
+++ b/sysdeps/unix/sysv/linux/generic/mkdir.c
@@ -1,6 +1,5 @@
 /* Copyright (C) 2011-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/generic/pipe.c b/sysdeps/unix/sysv/linux/generic/pipe.c
index 1d21e68c8d..a73a4e89fc 100644
--- a/sysdeps/unix/sysv/linux/generic/pipe.c
+++ b/sysdeps/unix/sysv/linux/generic/pipe.c
@@ -1,6 +1,5 @@
 /* Copyright (C) 2011-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/generic/readlink.c b/sysdeps/unix/sysv/linux/generic/readlink.c
index 6cb915ed96..879a2c10f1 100644
--- a/sysdeps/unix/sysv/linux/generic/readlink.c
+++ b/sysdeps/unix/sysv/linux/generic/readlink.c
@@ -1,6 +1,5 @@
 /* Copyright (C) 2011-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/generic/rmdir.c b/sysdeps/unix/sysv/linux/generic/rmdir.c
index b3188d1c49..7db45c349f 100644
--- a/sysdeps/unix/sysv/linux/generic/rmdir.c
+++ b/sysdeps/unix/sysv/linux/generic/rmdir.c
@@ -1,6 +1,5 @@
 /* Copyright (C) 2011-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/generic/symlink.c b/sysdeps/unix/sysv/linux/generic/symlink.c
index 0cf8075a2a..a0446be329 100644
--- a/sysdeps/unix/sysv/linux/generic/symlink.c
+++ b/sysdeps/unix/sysv/linux/generic/symlink.c
@@ -1,6 +1,5 @@
 /* Copyright (C) 2011-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/generic/sysdep.h b/sysdeps/unix/sysv/linux/generic/sysdep.h
index 19d5d8d1bf..1bd0ec6814 100644
--- a/sysdeps/unix/sysv/linux/generic/sysdep.h
+++ b/sysdeps/unix/sysv/linux/generic/sysdep.h
@@ -1,6 +1,5 @@
 /* Copyright (C) 2011-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/generic/unlink.c b/sysdeps/unix/sysv/linux/generic/unlink.c
index 2902a8a6ce..2ef4a4db33 100644
--- a/sysdeps/unix/sysv/linux/generic/unlink.c
+++ b/sysdeps/unix/sysv/linux/generic/unlink.c
@@ -1,6 +1,5 @@
 /* Copyright (C) 2011-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/generic/wordsize-32/sendfile.c b/sysdeps/unix/sysv/linux/generic/wordsize-32/sendfile.c
index 00442723b6..cd1564cc09 100644
--- a/sysdeps/unix/sysv/linux/generic/wordsize-32/sendfile.c
+++ b/sysdeps/unix/sysv/linux/generic/wordsize-32/sendfile.c
@@ -1,6 +1,5 @@
 /* Copyright (C) 2011-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/getcwd.c b/sysdeps/unix/sysv/linux/getcwd.c
index edebf5a8bd..2c8e6a77b3 100644
--- a/sysdeps/unix/sysv/linux/getcwd.c
+++ b/sysdeps/unix/sysv/linux/getcwd.c
@@ -1,7 +1,6 @@
 /* Determine current working directory.  Linux version.
    Copyright (C) 1997-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/getipv4sourcefilter.c b/sysdeps/unix/sysv/linux/getipv4sourcefilter.c
index c60032ba65..6b792189a5 100644
--- a/sysdeps/unix/sysv/linux/getipv4sourcefilter.c
+++ b/sysdeps/unix/sysv/linux/getipv4sourcefilter.c
@@ -1,7 +1,6 @@
 /* Get IPv4 source filter.  Linux version.
    Copyright (C) 2004-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@redhat.com>, 2004.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/getpt.c b/sysdeps/unix/sysv/linux/getpt.c
index 52532f7190..4510ba1593 100644
--- a/sysdeps/unix/sysv/linux/getpt.c
+++ b/sysdeps/unix/sysv/linux/getpt.c
@@ -1,6 +1,5 @@
 /* Copyright (C) 1998-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Zack Weinberg <zack@rabi.phys.columbia.edu>, 1998.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/getsourcefilter.c b/sysdeps/unix/sysv/linux/getsourcefilter.c
index 66e2659fac..3903817e4d 100644
--- a/sysdeps/unix/sysv/linux/getsourcefilter.c
+++ b/sysdeps/unix/sysv/linux/getsourcefilter.c
@@ -1,7 +1,6 @@
 /* Get source filter.  Linux version.
    Copyright (C) 2004-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@redhat.com>, 2004.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/getsysstats.c b/sysdeps/unix/sysv/linux/getsysstats.c
index 1391e360b8..8a5d342f0c 100644
--- a/sysdeps/unix/sysv/linux/getsysstats.c
+++ b/sysdeps/unix/sysv/linux/getsysstats.c
@@ -1,7 +1,6 @@
 /* Determine various system internal values, Linux version.
    Copyright (C) 1996-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/grantpt.c b/sysdeps/unix/sysv/linux/grantpt.c
index 57e988fe36..b3d93a6415 100644
--- a/sysdeps/unix/sysv/linux/grantpt.c
+++ b/sysdeps/unix/sysv/linux/grantpt.c
@@ -1,7 +1,6 @@
 /* grantpt implementation for Linux.
    Copyright (C) 1998-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Zack Weinberg <zack@rabi.phys.columbia.edu>, 1998.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/hppa/atomic-machine.h b/sysdeps/unix/sysv/linux/hppa/atomic-machine.h
index 1fcb1852e8..e9edc0e7bc 100644
--- a/sysdeps/unix/sysv/linux/hppa/atomic-machine.h
+++ b/sysdeps/unix/sysv/linux/hppa/atomic-machine.h
@@ -1,6 +1,5 @@
 /* Copyright (C) 2003-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Carlos O'Donell <carlos@baldric.uwo.ca>, 2005.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/hppa/clone.S b/sysdeps/unix/sysv/linux/hppa/clone.S
index 1948602cc9..303647fb39 100644
--- a/sysdeps/unix/sysv/linux/hppa/clone.S
+++ b/sysdeps/unix/sysv/linux/hppa/clone.S
@@ -1,7 +1,5 @@
 /* Copyright (C) 1996-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by David Huggins-Daines <dhd@debian.org>, 2000.
-   Based on the Alpha version by Richard Henderson <rth@tamu.edu>, 1996.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/hppa/getcontext.S b/sysdeps/unix/sysv/linux/hppa/getcontext.S
index 1405b42819..d9ed74666c 100644
--- a/sysdeps/unix/sysv/linux/hppa/getcontext.S
+++ b/sysdeps/unix/sysv/linux/hppa/getcontext.S
@@ -1,7 +1,6 @@
 /* Get current user context.
    Copyright (C) 2008-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Helge Deller <deller@gmx.de>, 2008.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/hppa/makecontext.c b/sysdeps/unix/sysv/linux/hppa/makecontext.c
index a80e764151..1a98734e1b 100644
--- a/sysdeps/unix/sysv/linux/hppa/makecontext.c
+++ b/sysdeps/unix/sysv/linux/hppa/makecontext.c
@@ -1,7 +1,6 @@
 /* Create new context.
    Copyright (C) 2008-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Helge Deller <deller@gmx.de>, 2008.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/hppa/setcontext.S b/sysdeps/unix/sysv/linux/hppa/setcontext.S
index 8fc5f5e56c..1e63277572 100644
--- a/sysdeps/unix/sysv/linux/hppa/setcontext.S
+++ b/sysdeps/unix/sysv/linux/hppa/setcontext.S
@@ -1,7 +1,6 @@
 /* Install given context.
    Copyright (C) 2008-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Helge Deller <deller@gmx.de>, 2008.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/hppa/swapcontext.c b/sysdeps/unix/sysv/linux/hppa/swapcontext.c
index f9a8207543..ce74f1a73e 100644
--- a/sysdeps/unix/sysv/linux/hppa/swapcontext.c
+++ b/sysdeps/unix/sysv/linux/hppa/swapcontext.c
@@ -1,7 +1,6 @@
 /* Swap to new context.
    Copyright (C) 2008-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Helge Deller <deller@gmx.de>, 2008.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/hppa/sysdep.h b/sysdeps/unix/sysv/linux/hppa/sysdep.h
index 779bc85e26..506916e693 100644
--- a/sysdeps/unix/sysv/linux/hppa/sysdep.h
+++ b/sysdeps/unix/sysv/linux/hppa/sysdep.h
@@ -1,8 +1,6 @@
 /* Assembler macros for PA-RISC.
    Copyright (C) 1999-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper, <drepper@cygnus.com>, August 1999.
-   Linux/PA-RISC changes by Philipp Rumpf, <prumpf@tux.org>, March 2000.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/i386/clone.S b/sysdeps/unix/sysv/linux/i386/clone.S
index 8ec84491bb..1919a1afaf 100644
--- a/sysdeps/unix/sysv/linux/i386/clone.S
+++ b/sysdeps/unix/sysv/linux/i386/clone.S
@@ -1,6 +1,5 @@
 /* Copyright (C) 1996-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Richard Henderson (rth@tamu.edu)
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/i386/dl-librecon.h b/sysdeps/unix/sysv/linux/i386/dl-librecon.h
index 7efe0679b3..af3563300b 100644
--- a/sysdeps/unix/sysv/linux/i386/dl-librecon.h
+++ b/sysdeps/unix/sysv/linux/i386/dl-librecon.h
@@ -1,7 +1,6 @@
 /* Optional code to distinguish library flavours.
    Copyright (C) 1998-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/i386/dl-procinfo.h b/sysdeps/unix/sysv/linux/i386/dl-procinfo.h
index 0e1b4b6faf..165dfed7b7 100644
--- a/sysdeps/unix/sysv/linux/i386/dl-procinfo.h
+++ b/sysdeps/unix/sysv/linux/i386/dl-procinfo.h
@@ -1,7 +1,6 @@
 /* Linux/i386 version of processor capability information handling macros.
    Copyright (C) 1998-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/i386/getcontext.S b/sysdeps/unix/sysv/linux/i386/getcontext.S
index 95e8d06dd1..42c1deb9b5 100644
--- a/sysdeps/unix/sysv/linux/i386/getcontext.S
+++ b/sysdeps/unix/sysv/linux/i386/getcontext.S
@@ -1,7 +1,6 @@
 /* Save current context.
    Copyright (C) 2001-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@redhat.com>, 2001.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/i386/makecontext.S b/sysdeps/unix/sysv/linux/i386/makecontext.S
index 059fa5a95e..1f8b71c215 100644
--- a/sysdeps/unix/sysv/linux/i386/makecontext.S
+++ b/sysdeps/unix/sysv/linux/i386/makecontext.S
@@ -1,7 +1,6 @@
 /* Create new context.
    Copyright (C) 2001-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@redhat.com>, 2001.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/i386/register-dump.h b/sysdeps/unix/sysv/linux/i386/register-dump.h
index 25fcc005f5..03a9acf65f 100644
--- a/sysdeps/unix/sysv/linux/i386/register-dump.h
+++ b/sysdeps/unix/sysv/linux/i386/register-dump.h
@@ -1,7 +1,6 @@
 /* Dump registers.
    Copyright (C) 1998-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/i386/setcontext.S b/sysdeps/unix/sysv/linux/i386/setcontext.S
index 4be3d0598e..f5a6495549 100644
--- a/sysdeps/unix/sysv/linux/i386/setcontext.S
+++ b/sysdeps/unix/sysv/linux/i386/setcontext.S
@@ -1,7 +1,6 @@
 /* Install given context.
    Copyright (C) 2001-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@redhat.com>, 2001.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/i386/sigcontextinfo.h b/sysdeps/unix/sysv/linux/i386/sigcontextinfo.h
index 19f3bbddc9..800b961a35 100644
--- a/sysdeps/unix/sysv/linux/i386/sigcontextinfo.h
+++ b/sysdeps/unix/sysv/linux/i386/sigcontextinfo.h
@@ -1,6 +1,5 @@
 /* Copyright (C) 1998-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/i386/swapcontext.S b/sysdeps/unix/sysv/linux/i386/swapcontext.S
index 369c22f7f2..13f548c34c 100644
--- a/sysdeps/unix/sysv/linux/i386/swapcontext.S
+++ b/sysdeps/unix/sysv/linux/i386/swapcontext.S
@@ -1,7 +1,6 @@
 /* Save current context and install the given one.
    Copyright (C) 2001-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@redhat.com>, 2001.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/i386/sysdep.h b/sysdeps/unix/sysv/linux/i386/sysdep.h
index 8a9911b7ac..ec12c84ca8 100644
--- a/sysdeps/unix/sysv/linux/i386/sysdep.h
+++ b/sysdeps/unix/sysv/linux/i386/sysdep.h
@@ -1,6 +1,5 @@
 /* Copyright (C) 1992-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper, <drepper@gnu.org>, August 1995.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/i386/vfork.S b/sysdeps/unix/sysv/linux/i386/vfork.S
index 2b8bfb8c0b..ed9ddcc4cf 100644
--- a/sysdeps/unix/sysv/linux/i386/vfork.S
+++ b/sysdeps/unix/sysv/linux/i386/vfork.S
@@ -1,6 +1,5 @@
 /* Copyright (C) 1999-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Andreas Schwab <schwab@gnu.org>.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/ia64/__ia64_longjmp.S b/sysdeps/unix/sysv/linux/ia64/__ia64_longjmp.S
index fbb4b1c26f..ea165e42dc 100644
--- a/sysdeps/unix/sysv/linux/ia64/__ia64_longjmp.S
+++ b/sysdeps/unix/sysv/linux/ia64/__ia64_longjmp.S
@@ -1,5 +1,4 @@
 /* Copyright (C) 1999-2021 Free Software Foundation, Inc.
-   Contributed by David Mosberger-Tang <davidm@hpl.hp.com>.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/ia64/__longjmp.S b/sysdeps/unix/sysv/linux/ia64/__longjmp.S
index c7bd3b3dbc..1f8f1d71db 100644
--- a/sysdeps/unix/sysv/linux/ia64/__longjmp.S
+++ b/sysdeps/unix/sysv/linux/ia64/__longjmp.S
@@ -1,5 +1,4 @@
 /* Copyright (C) 1999-2021 Free Software Foundation, Inc.
-   Contributed by David Mosberger-Tang <davidm@hpl.hp.com>.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/ia64/__sigstack_longjmp.c b/sysdeps/unix/sysv/linux/ia64/__sigstack_longjmp.c
index 554649a865..36e626382a 100644
--- a/sysdeps/unix/sysv/linux/ia64/__sigstack_longjmp.c
+++ b/sysdeps/unix/sysv/linux/ia64/__sigstack_longjmp.c
@@ -1,6 +1,5 @@
 /* Copyright (C) 2004-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by David Mosberger-Tang <davidm@hpl.hp.com>.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/ia64/__start_context.S b/sysdeps/unix/sysv/linux/ia64/__start_context.S
index fd0235a197..9adc092c2c 100644
--- a/sysdeps/unix/sysv/linux/ia64/__start_context.S
+++ b/sysdeps/unix/sysv/linux/ia64/__start_context.S
@@ -1,6 +1,5 @@
 /* Copyright (C) 2001-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by David Mosberger-Tang <davidm@hpl.hp.com>.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/ia64/bits/setjmp.h b/sysdeps/unix/sysv/linux/ia64/bits/setjmp.h
index d366e8208e..572b1b30df 100644
--- a/sysdeps/unix/sysv/linux/ia64/bits/setjmp.h
+++ b/sysdeps/unix/sysv/linux/ia64/bits/setjmp.h
@@ -1,7 +1,6 @@
 /* Define the machine-dependent type `jmp_buf'.  Linux/IA-64 version.
    Copyright (C) 1999-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by David Mosberger-Tang <davidm@hpl.hp.com>.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/ia64/bits/sigcontext.h b/sysdeps/unix/sysv/linux/ia64/bits/sigcontext.h
index 7dca259c31..fc71ef721b 100644
--- a/sysdeps/unix/sysv/linux/ia64/bits/sigcontext.h
+++ b/sysdeps/unix/sysv/linux/ia64/bits/sigcontext.h
@@ -1,6 +1,5 @@
 /* Copyright (C) 1996-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Jes Sorensen <jes@linuxcare.com>, July 2000
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/ia64/getcontext.S b/sysdeps/unix/sysv/linux/ia64/getcontext.S
index 9b9cd0b0c6..8fc3bce51b 100644
--- a/sysdeps/unix/sysv/linux/ia64/getcontext.S
+++ b/sysdeps/unix/sysv/linux/ia64/getcontext.S
@@ -1,6 +1,5 @@
 /* Copyright (C) 2001-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by David Mosberger-Tang <davidm@hpl.hp.com>.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/ia64/ioperm.c b/sysdeps/unix/sysv/linux/ia64/ioperm.c
index 9c0e55f9e9..bfc1c05a04 100644
--- a/sysdeps/unix/sysv/linux/ia64/ioperm.c
+++ b/sysdeps/unix/sysv/linux/ia64/ioperm.c
@@ -1,6 +1,5 @@
 /* Copyright (C) 1999-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by David Mosberger-Tang <davidm@hpl.hp.com>.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/ia64/makecontext.c b/sysdeps/unix/sysv/linux/ia64/makecontext.c
index 1ca85593c6..152902d49c 100644
--- a/sysdeps/unix/sysv/linux/ia64/makecontext.c
+++ b/sysdeps/unix/sysv/linux/ia64/makecontext.c
@@ -1,6 +1,5 @@
 /* Copyright (C) 2001-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by David Mosberger-Tang <davidm@hpl.hp.com>.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/ia64/pipe.S b/sysdeps/unix/sysv/linux/ia64/pipe.S
index 007c8c0ee4..ffda712920 100644
--- a/sysdeps/unix/sysv/linux/ia64/pipe.S
+++ b/sysdeps/unix/sysv/linux/ia64/pipe.S
@@ -1,6 +1,5 @@
 /* Copyright (C) 1999-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by David Mosberger <davidm@hpl.hp.com>
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/ia64/register-dump.h b/sysdeps/unix/sysv/linux/ia64/register-dump.h
index 43482c506a..6a44f30eb5 100644
--- a/sysdeps/unix/sysv/linux/ia64/register-dump.h
+++ b/sysdeps/unix/sysv/linux/ia64/register-dump.h
@@ -1,7 +1,6 @@
 /* Dump registers.
    Copyright (C) 2004-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Jakub Jelinek <jakub@redhat.com>, 2004.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/ia64/setcontext.S b/sysdeps/unix/sysv/linux/ia64/setcontext.S
index 9c22182c05..6b76bd4b9f 100644
--- a/sysdeps/unix/sysv/linux/ia64/setcontext.S
+++ b/sysdeps/unix/sysv/linux/ia64/setcontext.S
@@ -1,6 +1,5 @@
 /* Copyright (C) 2001-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-     Contributed by David Mosberger-Tang <davidm@hpl.hp.com>.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/ia64/setjmp.S b/sysdeps/unix/sysv/linux/ia64/setjmp.S
index f242075c7d..523d7e9678 100644
--- a/sysdeps/unix/sysv/linux/ia64/setjmp.S
+++ b/sysdeps/unix/sysv/linux/ia64/setjmp.S
@@ -1,5 +1,4 @@
 /* Copyright (C) 1999-2021 Free Software Foundation, Inc.
-   Contributed by David Mosberger-Tang <davidm@hpl.hp.com>.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/ia64/swapcontext.c b/sysdeps/unix/sysv/linux/ia64/swapcontext.c
index 234c174ef2..a19a63a26c 100644
--- a/sysdeps/unix/sysv/linux/ia64/swapcontext.c
+++ b/sysdeps/unix/sysv/linux/ia64/swapcontext.c
@@ -1,6 +1,5 @@
 /* Copyright (C) 2001-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-     Contributed by David Mosberger-Tang <davidm@hpl.hp.com>.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/ia64/sys/io.h b/sysdeps/unix/sysv/linux/ia64/sys/io.h
index 4761e322db..c52c1e6c0c 100644
--- a/sysdeps/unix/sysv/linux/ia64/sys/io.h
+++ b/sysdeps/unix/sysv/linux/ia64/sys/io.h
@@ -1,6 +1,5 @@
 /* Copyright (C) 1999-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-     Contributed by David Mosberger-Tang <davidm@hpl.hp.com>
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/ia64/sys/rse.h b/sysdeps/unix/sysv/linux/ia64/sys/rse.h
index 0e472a1df1..96170b707b 100644
--- a/sysdeps/unix/sysv/linux/ia64/sys/rse.h
+++ b/sysdeps/unix/sysv/linux/ia64/sys/rse.h
@@ -1,6 +1,5 @@
 /* Copyright (C) 2001-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-     Contributed by David Mosberger-Tang <davidm@hpl.hp.com>.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/ia64/syscall.S b/sysdeps/unix/sysv/linux/ia64/syscall.S
index 23f1d437f9..2b42602eae 100644
--- a/sysdeps/unix/sysv/linux/ia64/syscall.S
+++ b/sysdeps/unix/sysv/linux/ia64/syscall.S
@@ -1,6 +1,5 @@
 /* Copyright (C) 1999-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Jes Sorensen <Jes.Sorensen@cern.ch>.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/ia64/sysdep.S b/sysdeps/unix/sysv/linux/ia64/sysdep.S
index ee6365aece..d5f9c4ef10 100644
--- a/sysdeps/unix/sysv/linux/ia64/sysdep.S
+++ b/sysdeps/unix/sysv/linux/ia64/sysdep.S
@@ -1,6 +1,5 @@
 /* Copyright (C) 1999-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by David Mosberger-Tang <davidm@hpl.hp.com>.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/ia64/sysdep.h b/sysdeps/unix/sysv/linux/ia64/sysdep.h
index 7198c192a0..07478baf93 100644
--- a/sysdeps/unix/sysv/linux/ia64/sysdep.h
+++ b/sysdeps/unix/sysv/linux/ia64/sysdep.h
@@ -1,7 +1,5 @@
 /* Copyright (C) 1999-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Written by Jes Sorensen, <Jes.Sorensen@cern.ch>, April 1999.
-   Based on code originally written by David Mosberger-Tang
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/ia64/ucontext_i.h b/sysdeps/unix/sysv/linux/ia64/ucontext_i.h
index 6a30f9edc6..c6a7ead2e3 100644
--- a/sysdeps/unix/sysv/linux/ia64/ucontext_i.h
+++ b/sysdeps/unix/sysv/linux/ia64/ucontext_i.h
@@ -1,6 +1,5 @@
 /* Copyright (C) 2001-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-     Contributed by David Mosberger-Tang <davidm@hpl.hp.com>.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/ifreq.c b/sysdeps/unix/sysv/linux/ifreq.c
index 4646dd710b..45f49e9fe6 100644
--- a/sysdeps/unix/sysv/linux/ifreq.c
+++ b/sysdeps/unix/sysv/linux/ifreq.c
@@ -1,6 +1,5 @@
 /* Copyright (C) 1999-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Andreas Jaeger <aj@suse.de>.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/internal_statvfs.c b/sysdeps/unix/sysv/linux/internal_statvfs.c
index 39fcb5d429..b1b8dfefe6 100644
--- a/sysdeps/unix/sysv/linux/internal_statvfs.c
+++ b/sysdeps/unix/sysv/linux/internal_statvfs.c
@@ -1,6 +1,5 @@
 /* Copyright (C) 1998-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/kernel-posix-timers.h b/sysdeps/unix/sysv/linux/kernel-posix-timers.h
index 9109166f29..e7d2bac740 100644
--- a/sysdeps/unix/sysv/linux/kernel-posix-timers.h
+++ b/sysdeps/unix/sysv/linux/kernel-posix-timers.h
@@ -1,6 +1,5 @@
 /* Copyright (C) 2003-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public License as
diff --git a/sysdeps/unix/sysv/linux/lddlibc4.c b/sysdeps/unix/sysv/linux/lddlibc4.c
index 642379eeb4..92e2cc38a6 100644
--- a/sysdeps/unix/sysv/linux/lddlibc4.c
+++ b/sysdeps/unix/sysv/linux/lddlibc4.c
@@ -1,7 +1,6 @@
 /* Stub for ldd script to print Linux libc4 dependencies.
    Copyright (C) 1998-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/m68k/clone.S b/sysdeps/unix/sysv/linux/m68k/clone.S
index 183a9bfff8..86ac2b3e23 100644
--- a/sysdeps/unix/sysv/linux/m68k/clone.S
+++ b/sysdeps/unix/sysv/linux/m68k/clone.S
@@ -1,6 +1,5 @@
 /* Copyright (C) 1996-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Andreas Schwab (schwab@issan.informatik.uni-dortmund.de)
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/m68k/coldfire/atomic-machine.h b/sysdeps/unix/sysv/linux/m68k/coldfire/atomic-machine.h
index 63b93b1ec3..1228660058 100644
--- a/sysdeps/unix/sysv/linux/m68k/coldfire/atomic-machine.h
+++ b/sysdeps/unix/sysv/linux/m68k/coldfire/atomic-machine.h
@@ -1,6 +1,5 @@
 /* Copyright (C) 2010-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Maxim Kuvyrkov <maxim@codesourcery.com>, 2010.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/m68k/getpagesize.c b/sysdeps/unix/sysv/linux/m68k/getpagesize.c
index f406214997..5610483894 100644
--- a/sysdeps/unix/sysv/linux/m68k/getpagesize.c
+++ b/sysdeps/unix/sysv/linux/m68k/getpagesize.c
@@ -1,6 +1,5 @@
 /* Copyright (C) 2000-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Andreas Schwab <schwab@suse.de>.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/m68k/register-dump.h b/sysdeps/unix/sysv/linux/m68k/register-dump.h
index 192338e527..9b4f2118f0 100644
--- a/sysdeps/unix/sysv/linux/m68k/register-dump.h
+++ b/sysdeps/unix/sysv/linux/m68k/register-dump.h
@@ -1,7 +1,6 @@
 /* Dump registers.
    Copyright (C) 1998-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Andreas Schwab <schwab@gnu.org>.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/m68k/sigcontextinfo.h b/sysdeps/unix/sysv/linux/m68k/sigcontextinfo.h
index 3d5fd0aaa5..3c96cb0fb0 100644
--- a/sysdeps/unix/sysv/linux/m68k/sigcontextinfo.h
+++ b/sysdeps/unix/sysv/linux/m68k/sigcontextinfo.h
@@ -1,6 +1,5 @@
 /* Copyright (C) 1998-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>, 1998.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/m68k/sysdep.h b/sysdeps/unix/sysv/linux/m68k/sysdep.h
index b29986339a..4b83d860e2 100644
--- a/sysdeps/unix/sysv/linux/m68k/sysdep.h
+++ b/sysdeps/unix/sysv/linux/m68k/sysdep.h
@@ -1,7 +1,5 @@
 /* Copyright (C) 1996-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Written by Andreas Schwab, <schwab@issan.informatik.uni-dortmund.de>,
-   December 1995.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/m68k/vfork.S b/sysdeps/unix/sysv/linux/m68k/vfork.S
index cdc030bf3a..eb0e7f7be3 100644
--- a/sysdeps/unix/sysv/linux/m68k/vfork.S
+++ b/sysdeps/unix/sysv/linux/m68k/vfork.S
@@ -1,6 +1,5 @@
 /* Copyright (C) 1999-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Andreas Schwab <schwab@gnu.org>.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/mips/_test_and_set.c b/sysdeps/unix/sysv/linux/mips/_test_and_set.c
index bcb7f67290..ceb751eaa8 100644
--- a/sysdeps/unix/sysv/linux/mips/_test_and_set.c
+++ b/sysdeps/unix/sysv/linux/mips/_test_and_set.c
@@ -1,6 +1,5 @@
 /* Copyright (C) 2000-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Maciej W. Rozycki <macro@ds2.pg.gda.pl>, 2000.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/mips/clone.S b/sysdeps/unix/sysv/linux/mips/clone.S
index fd71b5ca2e..64603afab4 100644
--- a/sysdeps/unix/sysv/linux/mips/clone.S
+++ b/sysdeps/unix/sysv/linux/mips/clone.S
@@ -1,6 +1,5 @@
 /* Copyright (C) 1996-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ralf Bächle <ralf@linux-mips.org>, 1996.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/mips/getcontext.S b/sysdeps/unix/sysv/linux/mips/getcontext.S
index 608f1bce68..c2e9f3b8ef 100644
--- a/sysdeps/unix/sysv/linux/mips/getcontext.S
+++ b/sysdeps/unix/sysv/linux/mips/getcontext.S
@@ -1,7 +1,6 @@
 /* Save current context.
    Copyright (C) 2009-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Maciej W. Rozycki <macro@codesourcery.com>.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/mips/makecontext.S b/sysdeps/unix/sysv/linux/mips/makecontext.S
index e31522f78b..ae064ba608 100644
--- a/sysdeps/unix/sysv/linux/mips/makecontext.S
+++ b/sysdeps/unix/sysv/linux/mips/makecontext.S
@@ -1,7 +1,6 @@
 /* Modify saved context.
    Copyright (C) 2009-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Maciej W. Rozycki <macro@codesourcery.com>.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/mips/readelflib.c b/sysdeps/unix/sysv/linux/mips/readelflib.c
index d0e809d893..d07e59bfa5 100644
--- a/sysdeps/unix/sysv/linux/mips/readelflib.c
+++ b/sysdeps/unix/sysv/linux/mips/readelflib.c
@@ -1,9 +1,5 @@
 /* Copyright (C) 1999-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Alexandre Oliva <aoliva@redhat.com>
-   Based on work ../x86_64/readelflib.c,
-   contributed by Andreas Jaeger <aj@suse.de>, 1999 and
-		  Jakub Jelinek <jakub@redhat.com>, 1999.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/mips/register-dump.h b/sysdeps/unix/sysv/linux/mips/register-dump.h
index 6f41a54cad..9346cb5f06 100644
--- a/sysdeps/unix/sysv/linux/mips/register-dump.h
+++ b/sysdeps/unix/sysv/linux/mips/register-dump.h
@@ -1,7 +1,6 @@
 /* Dump registers.
    Copyright (C) 2000-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Andreas Jaeger <aj@suse.de>, 2000.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/mips/setcontext.S b/sysdeps/unix/sysv/linux/mips/setcontext.S
index 1e7f36ea70..e2b92e7d07 100644
--- a/sysdeps/unix/sysv/linux/mips/setcontext.S
+++ b/sysdeps/unix/sysv/linux/mips/setcontext.S
@@ -1,7 +1,6 @@
 /* Set current context.
    Copyright (C) 2009-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Maciej W. Rozycki <macro@codesourcery.com>.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/mips/sigcontextinfo.h b/sysdeps/unix/sysv/linux/mips/sigcontextinfo.h
index 9b3ce52a15..06153370b6 100644
--- a/sysdeps/unix/sysv/linux/mips/sigcontextinfo.h
+++ b/sysdeps/unix/sysv/linux/mips/sigcontextinfo.h
@@ -1,6 +1,5 @@
 /* Copyright (C) 2000-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Andreas Jaeger <aj@suse.de>, 2000.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/mips/swapcontext.S b/sysdeps/unix/sysv/linux/mips/swapcontext.S
index 3055481c45..0df34e76bd 100644
--- a/sysdeps/unix/sysv/linux/mips/swapcontext.S
+++ b/sysdeps/unix/sysv/linux/mips/swapcontext.S
@@ -1,7 +1,6 @@
 /* Save and set current context.
    Copyright (C) 2009-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Maciej W. Rozycki <macro@codesourcery.com>.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/mips/ustat.c b/sysdeps/unix/sysv/linux/mips/ustat.c
index c5e10a338e..4d60846dfe 100644
--- a/sysdeps/unix/sysv/linux/mips/ustat.c
+++ b/sysdeps/unix/sysv/linux/mips/ustat.c
@@ -1,6 +1,5 @@
 /* Copyright (C) 1997-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/mmap64.c b/sysdeps/unix/sysv/linux/mmap64.c
index 6823548521..6192b0c884 100644
--- a/sysdeps/unix/sysv/linux/mmap64.c
+++ b/sysdeps/unix/sysv/linux/mmap64.c
@@ -1,7 +1,6 @@
 /* mmap - map files or devices into memory.  Linux version.
    Copyright (C) 1999-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Jakub Jelinek <jakub@redhat.com>, 1999.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/mq_notify.c b/sysdeps/unix/sysv/linux/mq_notify.c
index eccae2e4c6..6c1c6fff21 100644
--- a/sysdeps/unix/sysv/linux/mq_notify.c
+++ b/sysdeps/unix/sysv/linux/mq_notify.c
@@ -1,6 +1,5 @@
 /* Copyright (C) 2004-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contribute by Ulrich Drepper <drepper@redhat.com>, 2004.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/msgctl.c b/sysdeps/unix/sysv/linux/msgctl.c
index 9f38c06d53..760889c4c4 100644
--- a/sysdeps/unix/sysv/linux/msgctl.c
+++ b/sysdeps/unix/sysv/linux/msgctl.c
@@ -1,6 +1,5 @@
 /* Copyright (C) 1995-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, August 1995.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/msgget.c b/sysdeps/unix/sysv/linux/msgget.c
index decf1376cb..77972db508 100644
--- a/sysdeps/unix/sysv/linux/msgget.c
+++ b/sysdeps/unix/sysv/linux/msgget.c
@@ -1,6 +1,5 @@
 /* Copyright (C) 1995-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, August 1995.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/msgrcv.c b/sysdeps/unix/sysv/linux/msgrcv.c
index 6d99f055a1..563a12e123 100644
--- a/sysdeps/unix/sysv/linux/msgrcv.c
+++ b/sysdeps/unix/sysv/linux/msgrcv.c
@@ -1,6 +1,5 @@
 /* Copyright (C) 1995-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, August 1995.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/msgsnd.c b/sysdeps/unix/sysv/linux/msgsnd.c
index adf8d17e96..d978f78df7 100644
--- a/sysdeps/unix/sysv/linux/msgsnd.c
+++ b/sysdeps/unix/sysv/linux/msgsnd.c
@@ -1,6 +1,5 @@
 /* Copyright (C) 1995-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, August 1995.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/net/if_arp.h b/sysdeps/unix/sysv/linux/net/if_arp.h
index 2a8933cde7..0f925da4f4 100644
--- a/sysdeps/unix/sysv/linux/net/if_arp.h
+++ b/sysdeps/unix/sysv/linux/net/if_arp.h
@@ -1,7 +1,6 @@
 /* Definitions for Address Resolution Protocol.
    Copyright (C) 1997-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/nios2/clone.S b/sysdeps/unix/sysv/linux/nios2/clone.S
index f6732dd58c..bdef4095dc 100644
--- a/sysdeps/unix/sysv/linux/nios2/clone.S
+++ b/sysdeps/unix/sysv/linux/nios2/clone.S
@@ -1,7 +1,6 @@
 /* clone() implementation for Nios II.
    Copyright (C) 2008-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Andrew Jenner <andrew@codesourcery.com>, 2008.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/nios2/kernel_stat.h b/sysdeps/unix/sysv/linux/nios2/kernel_stat.h
index 1af30dab6f..6ca04d8ff2 100644
--- a/sysdeps/unix/sysv/linux/nios2/kernel_stat.h
+++ b/sysdeps/unix/sysv/linux/nios2/kernel_stat.h
@@ -1,7 +1,6 @@
 /* Internal definitions for stat functions.  Linux/nios2.
    Copyright (C) 2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/not-cancel.h b/sysdeps/unix/sysv/linux/not-cancel.h
index f06d57426a..82798df4b4 100644
--- a/sysdeps/unix/sysv/linux/not-cancel.h
+++ b/sysdeps/unix/sysv/linux/not-cancel.h
@@ -1,7 +1,6 @@
 /* Uncancelable versions of cancelable interfaces.  Linux/NPTL version.
    Copyright (C) 2003-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/nscd_setup_thread.c b/sysdeps/unix/sysv/linux/nscd_setup_thread.c
index 30d1f306c2..00d3a680c2 100644
--- a/sysdeps/unix/sysv/linux/nscd_setup_thread.c
+++ b/sysdeps/unix/sysv/linux/nscd_setup_thread.c
@@ -1,7 +1,6 @@
 /* Setup of nscd worker threads.  Linux verison.
    Copyright (C) 2004-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@redhat.com>, 2004.
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published
diff --git a/sysdeps/unix/sysv/linux/open.c b/sysdeps/unix/sysv/linux/open.c
index aa335ea41e..88e4355039 100644
--- a/sysdeps/unix/sysv/linux/open.c
+++ b/sysdeps/unix/sysv/linux/open.c
@@ -1,7 +1,6 @@
 /* Linux open syscall implementation, non-LFS.
    Copyright (C) 2017-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/ppoll.c b/sysdeps/unix/sysv/linux/ppoll.c
index 8ca133b1fa..465dea623d 100644
--- a/sysdeps/unix/sysv/linux/ppoll.c
+++ b/sysdeps/unix/sysv/linux/ppoll.c
@@ -1,6 +1,5 @@
 /* Copyright (C) 2006-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@redhat.com>, 2006.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/pread.c b/sysdeps/unix/sysv/linux/pread.c
index ebd7f52438..d2f85584a2 100644
--- a/sysdeps/unix/sysv/linux/pread.c
+++ b/sysdeps/unix/sysv/linux/pread.c
@@ -1,6 +1,5 @@
 /* Copyright (C) 1997-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/pread64.c b/sysdeps/unix/sysv/linux/pread64.c
index 7631182108..6cff96bcde 100644
--- a/sysdeps/unix/sysv/linux/pread64.c
+++ b/sysdeps/unix/sysv/linux/pread64.c
@@ -1,6 +1,5 @@
 /* Copyright (C) 1997-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/pselect.c b/sysdeps/unix/sysv/linux/pselect.c
index e7df6e7465..f58c01f25a 100644
--- a/sysdeps/unix/sysv/linux/pselect.c
+++ b/sysdeps/unix/sysv/linux/pselect.c
@@ -1,6 +1,5 @@
 /* Copyright (C) 2006-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@redhat.com>, 2006.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/ptsname.c b/sysdeps/unix/sysv/linux/ptsname.c
index 9f78ef42d8..cf98f99878 100644
--- a/sysdeps/unix/sysv/linux/ptsname.c
+++ b/sysdeps/unix/sysv/linux/ptsname.c
@@ -1,6 +1,5 @@
 /* Copyright (C) 1998-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Zack Weinberg <zack@rabi.phys.columbia.edu>, 1998.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/pwrite.c b/sysdeps/unix/sysv/linux/pwrite.c
index c39ee8a163..341513ce09 100644
--- a/sysdeps/unix/sysv/linux/pwrite.c
+++ b/sysdeps/unix/sysv/linux/pwrite.c
@@ -1,6 +1,5 @@
 /* Copyright (C) 1997-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/pwrite64.c b/sysdeps/unix/sysv/linux/pwrite64.c
index f39e1238a4..cb006a1c70 100644
--- a/sysdeps/unix/sysv/linux/pwrite64.c
+++ b/sysdeps/unix/sysv/linux/pwrite64.c
@@ -1,6 +1,5 @@
 /* Copyright (C) 1997-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/recvmmsg.c b/sysdeps/unix/sysv/linux/recvmmsg.c
index 5cd107ffa9..c214321e94 100644
--- a/sysdeps/unix/sysv/linux/recvmmsg.c
+++ b/sysdeps/unix/sysv/linux/recvmmsg.c
@@ -1,6 +1,5 @@
 /* Copyright (C) 2010-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Andreas Schwab <schwab@redhat.com>, 2010.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/s390/bits/elfclass.h b/sysdeps/unix/sysv/linux/s390/bits/elfclass.h
index c2ac7f72f3..10609d273c 100644
--- a/sysdeps/unix/sysv/linux/s390/bits/elfclass.h
+++ b/sysdeps/unix/sysv/linux/s390/bits/elfclass.h
@@ -1,5 +1,4 @@
 /* Copyright (C) 2001-2021 Free Software Foundation, Inc.
-   Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/sysdeps/unix/sysv/linux/s390/dl-procinfo.h b/sysdeps/unix/sysv/linux/s390/dl-procinfo.h
index 76ce33e31d..47def4c90f 100644
--- a/sysdeps/unix/sysv/linux/s390/dl-procinfo.h
+++ b/sysdeps/unix/sysv/linux/s390/dl-procinfo.h
@@ -1,7 +1,6 @@
 /* Linux/s390 version of processor capability information handling macros.
    Copyright (C) 2006-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Martin Schwidefsky <schwidefsky@de.ibm.com>, 2006.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/____longjmp_chk.c b/sysdeps/unix/sysv/linux/s390/s390-32/____longjmp_chk.c
index 0ce15a5a2a..09487c11a5 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-32/____longjmp_chk.c
+++ b/sysdeps/unix/sysv/linux/s390/s390-32/____longjmp_chk.c
@@ -1,6 +1,5 @@
 /* Copyright (C) 2009-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Jakub Jelinek <jakub@redhat.com>.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/clone.S b/sysdeps/unix/sysv/linux/s390/s390-32/clone.S
index 08145e4156..dbbe5a55ff 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-32/clone.S
+++ b/sysdeps/unix/sysv/linux/s390/s390-32/clone.S
@@ -1,6 +1,5 @@
 /* Copyright (C) 2000-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/getcontext.S b/sysdeps/unix/sysv/linux/s390/s390-32/getcontext.S
index 7cfd66b5f8..e65641ecc9 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-32/getcontext.S
+++ b/sysdeps/unix/sysv/linux/s390/s390-32/getcontext.S
@@ -1,6 +1,5 @@
 /* Copyright (C) 2001-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/getutent.c b/sysdeps/unix/sysv/linux/s390/s390-32/getutent.c
index 7774a59580..210e875f26 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-32/getutent.c
+++ b/sysdeps/unix/sysv/linux/s390/s390-32/getutent.c
@@ -1,5 +1,4 @@
 /* Copyright (C) 2008-2021 Free Software Foundation, Inc.
-   Contributed by Andreas Krebbel <Andreas.Krebbel@de.ibm.com>.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/getutent_r.c b/sysdeps/unix/sysv/linux/s390/s390-32/getutent_r.c
index eebccece1c..d06441f6b9 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-32/getutent_r.c
+++ b/sysdeps/unix/sysv/linux/s390/s390-32/getutent_r.c
@@ -1,5 +1,4 @@
 /* Copyright (C) 2008-2021 Free Software Foundation, Inc.
-   Contributed by Andreas Krebbel <Andreas.Krebbel@de.ibm.com>.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/getutid.c b/sysdeps/unix/sysv/linux/s390/s390-32/getutid.c
index f50d633e48..79f9d9a106 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-32/getutid.c
+++ b/sysdeps/unix/sysv/linux/s390/s390-32/getutid.c
@@ -1,5 +1,4 @@
 /* Copyright (C) 2008-2021 Free Software Foundation, Inc.
-   Contributed by Andreas Krebbel <Andreas.Krebbel@de.ibm.com>.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/getutid_r.c b/sysdeps/unix/sysv/linux/s390/s390-32/getutid_r.c
index 5039b99a94..d648f2ef70 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-32/getutid_r.c
+++ b/sysdeps/unix/sysv/linux/s390/s390-32/getutid_r.c
@@ -1,5 +1,4 @@
 /* Copyright (C) 2008-2021 Free Software Foundation, Inc.
-   Contributed by Andreas Krebbel <Andreas.Krebbel@de.ibm.com>.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/getutline.c b/sysdeps/unix/sysv/linux/s390/s390-32/getutline.c
index 32b39575b0..7b79cb75b5 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-32/getutline.c
+++ b/sysdeps/unix/sysv/linux/s390/s390-32/getutline.c
@@ -1,5 +1,4 @@
 /* Copyright (C) 2008-2021 Free Software Foundation, Inc.
-   Contributed by Andreas Krebbel <Andreas.Krebbel@de.ibm.com>.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/getutline_r.c b/sysdeps/unix/sysv/linux/s390/s390-32/getutline_r.c
index c9238c5f60..3246dbe2d9 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-32/getutline_r.c
+++ b/sysdeps/unix/sysv/linux/s390/s390-32/getutline_r.c
@@ -1,5 +1,4 @@
 /* Copyright (C) 2008-2021 Free Software Foundation, Inc.
-   Contributed by Andreas Krebbel <Andreas.Krebbel@de.ibm.com>.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/getutmp.c b/sysdeps/unix/sysv/linux/s390/s390-32/getutmp.c
index 5820701f21..bdb8f4bf3e 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-32/getutmp.c
+++ b/sysdeps/unix/sysv/linux/s390/s390-32/getutmp.c
@@ -1,5 +1,4 @@
 /* Copyright (C) 2008-2021 Free Software Foundation, Inc.
-   Contributed by Andreas Krebbel <Andreas.Krebbel@de.ibm.com>.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/getutxent.c b/sysdeps/unix/sysv/linux/s390/s390-32/getutxent.c
index d91795af78..cf27aee4f0 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-32/getutxent.c
+++ b/sysdeps/unix/sysv/linux/s390/s390-32/getutxent.c
@@ -1,5 +1,4 @@
 /* Copyright (C) 2008-2021 Free Software Foundation, Inc.
-   Contributed by Andreas Krebbel <Andreas.Krebbel@de.ibm.com>.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/getutxid.c b/sysdeps/unix/sysv/linux/s390/s390-32/getutxid.c
index d5d457d98d..2a4c9aecee 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-32/getutxid.c
+++ b/sysdeps/unix/sysv/linux/s390/s390-32/getutxid.c
@@ -1,5 +1,4 @@
 /* Copyright (C) 2008-2021 Free Software Foundation, Inc.
-   Contributed by Andreas Krebbel <Andreas.Krebbel@de.ibm.com>.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/getutxline.c b/sysdeps/unix/sysv/linux/s390/s390-32/getutxline.c
index ab0189f653..eb524ecbd4 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-32/getutxline.c
+++ b/sysdeps/unix/sysv/linux/s390/s390-32/getutxline.c
@@ -1,5 +1,4 @@
 /* Copyright (C) 2008-2021 Free Software Foundation, Inc.
-   Contributed by Andreas Krebbel <Andreas.Krebbel@de.ibm.com>.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/login.c b/sysdeps/unix/sysv/linux/s390/s390-32/login.c
index 62742a8a5f..753763f3b5 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-32/login.c
+++ b/sysdeps/unix/sysv/linux/s390/s390-32/login.c
@@ -1,5 +1,4 @@
 /* Copyright (C) 2008-2021 Free Software Foundation, Inc.
-   Contributed by Andreas Krebbel <Andreas.Krebbel@de.ibm.com>.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/login32.c b/sysdeps/unix/sysv/linux/s390/s390-32/login32.c
index e37da4e573..271afa0c77 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-32/login32.c
+++ b/sysdeps/unix/sysv/linux/s390/s390-32/login32.c
@@ -1,5 +1,4 @@
 /* Copyright (C) 2008-2021 Free Software Foundation, Inc.
-   Contributed by Andreas Krebbel <Andreas.Krebbel@de.ibm.com>.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/makecontext.c b/sysdeps/unix/sysv/linux/s390/s390-32/makecontext.c
index e4e0f3a831..bfb7460cca 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-32/makecontext.c
+++ b/sysdeps/unix/sysv/linux/s390/s390-32/makecontext.c
@@ -1,6 +1,5 @@
 /* Copyright (C) 2001-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/pututxline.c b/sysdeps/unix/sysv/linux/s390/s390-32/pututxline.c
index 1dfabc8f37..40736c6335 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-32/pututxline.c
+++ b/sysdeps/unix/sysv/linux/s390/s390-32/pututxline.c
@@ -1,5 +1,4 @@
 /* Copyright (C) 2008-2021 Free Software Foundation, Inc.
-   Contributed by Andreas Krebbel <Andreas.Krebbel@de.ibm.com>.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/register-dump.h b/sysdeps/unix/sysv/linux/s390/s390-32/register-dump.h
index fe96d0d9d8..a4647fc9d0 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-32/register-dump.h
+++ b/sysdeps/unix/sysv/linux/s390/s390-32/register-dump.h
@@ -1,6 +1,5 @@
 /* Dump registers.
    Copyright (C) 2000-2021 Free Software Foundation, Inc.
-   Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/setcontext.S b/sysdeps/unix/sysv/linux/s390/s390-32/setcontext.S
index 37aa2496ad..b0aeb57a00 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-32/setcontext.S
+++ b/sysdeps/unix/sysv/linux/s390/s390-32/setcontext.S
@@ -1,6 +1,5 @@
 /* Copyright (C) 2001-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/swapcontext.S b/sysdeps/unix/sysv/linux/s390/s390-32/swapcontext.S
index 2ab91083b0..27edb0aa45 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-32/swapcontext.S
+++ b/sysdeps/unix/sysv/linux/s390/s390-32/swapcontext.S
@@ -1,6 +1,5 @@
 /* Copyright (C) 2002-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/syscall.S b/sysdeps/unix/sysv/linux/s390/s390-32/syscall.S
index 50712b649b..426563b429 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-32/syscall.S
+++ b/sysdeps/unix/sysv/linux/s390/s390-32/syscall.S
@@ -1,5 +1,4 @@
 /* Copyright (C) 2000-2021 Free Software Foundation, Inc.
-   Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/sysdep.S b/sysdeps/unix/sysv/linux/s390/s390-32/sysdep.S
index 7639f35de4..a768d6748b 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-32/sysdep.S
+++ b/sysdeps/unix/sysv/linux/s390/s390-32/sysdep.S
@@ -1,5 +1,4 @@
 /* Copyright (C) 2000-2021 Free Software Foundation, Inc.
-   Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/sysdep.h b/sysdeps/unix/sysv/linux/s390/s390-32/sysdep.h
index 34fb5dbf5e..c26c228694 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-32/sysdep.h
+++ b/sysdeps/unix/sysv/linux/s390/s390-32/sysdep.h
@@ -1,5 +1,4 @@
 /* Copyright (C) 2000-2021 Free Software Foundation, Inc.
-   Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/updwtmp.c b/sysdeps/unix/sysv/linux/s390/s390-32/updwtmp.c
index d4aa0ce2ac..dfe25661ac 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-32/updwtmp.c
+++ b/sysdeps/unix/sysv/linux/s390/s390-32/updwtmp.c
@@ -1,5 +1,4 @@
 /* Copyright (C) 2008-2021 Free Software Foundation, Inc.
-   Contributed by Andreas Krebbel <Andreas.Krebbel@de.ibm.com>.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/updwtmpx.c b/sysdeps/unix/sysv/linux/s390/s390-32/updwtmpx.c
index 51cf1f5ae3..3b95890d32 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-32/updwtmpx.c
+++ b/sysdeps/unix/sysv/linux/s390/s390-32/updwtmpx.c
@@ -1,5 +1,4 @@
 /* Copyright (C) 2008-2021 Free Software Foundation, Inc.
-   Contributed by Andreas Krebbel <Andreas.Krebbel@de.ibm.com>.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/utmp-compat.h b/sysdeps/unix/sysv/linux/s390/s390-32/utmp-compat.h
index 28632f72bd..11c7937897 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-32/utmp-compat.h
+++ b/sysdeps/unix/sysv/linux/s390/s390-32/utmp-compat.h
@@ -1,5 +1,4 @@
 /* Copyright (C) 2008-2021 Free Software Foundation, Inc.
-   Contributed by Andreas Krebbel <Andreas.Krebbel@de.ibm.com>.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/utmp-convert.h b/sysdeps/unix/sysv/linux/s390/s390-32/utmp-convert.h
index 9418afb0f4..f2edd4636b 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-32/utmp-convert.h
+++ b/sysdeps/unix/sysv/linux/s390/s390-32/utmp-convert.h
@@ -1,5 +1,4 @@
 /* Copyright (C) 2008-2021 Free Software Foundation, Inc.
-   Contributed by Andreas Krebbel <Andreas.Krebbel@de.ibm.com>.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/utmp32.c b/sysdeps/unix/sysv/linux/s390/s390-32/utmp32.c
index 32496e5421..0b3cadec5b 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-32/utmp32.c
+++ b/sysdeps/unix/sysv/linux/s390/s390-32/utmp32.c
@@ -1,5 +1,4 @@
 /* Copyright (C) 2008-2021 Free Software Foundation, Inc.
-   Contributed by Andreas Krebbel <Andreas.Krebbel@de.ibm.com>.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/utmpx-convert.h b/sysdeps/unix/sysv/linux/s390/s390-32/utmpx-convert.h
index ad7de5c455..a4c0d1c5c3 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-32/utmpx-convert.h
+++ b/sysdeps/unix/sysv/linux/s390/s390-32/utmpx-convert.h
@@ -1,5 +1,4 @@
 /* Copyright (C) 2008-2021 Free Software Foundation, Inc.
-   Contributed by Andreas Krebbel <Andreas.Krebbel@de.ibm.com>.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/utmpx32.c b/sysdeps/unix/sysv/linux/s390/s390-32/utmpx32.c
index ed970961bf..8a5d56ca45 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-32/utmpx32.c
+++ b/sysdeps/unix/sysv/linux/s390/s390-32/utmpx32.c
@@ -1,5 +1,4 @@
 /* Copyright (C) 2008-2021 Free Software Foundation, Inc.
-   Contributed by Andreas Krebbel <Andreas.Krebbel@de.ibm.com>.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/vfork.S b/sysdeps/unix/sysv/linux/s390/s390-32/vfork.S
index 019f535426..5ba79c43ad 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-32/vfork.S
+++ b/sysdeps/unix/sysv/linux/s390/s390-32/vfork.S
@@ -1,6 +1,5 @@
 /* Copyright (C) 2004-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Jakub Jelinek <jakub@redhat.com>, 2004.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/____longjmp_chk.c b/sysdeps/unix/sysv/linux/s390/s390-64/____longjmp_chk.c
index c7b2ab0e79..389ad542bb 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-64/____longjmp_chk.c
+++ b/sysdeps/unix/sysv/linux/s390/s390-64/____longjmp_chk.c
@@ -1,6 +1,5 @@
 /* Copyright (C) 2009-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Jakub Jelinek <jakub@redhat.com>.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/clone.S b/sysdeps/unix/sysv/linux/s390/s390-64/clone.S
index 21d485e9e9..584f0d744f 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-64/clone.S
+++ b/sysdeps/unix/sysv/linux/s390/s390-64/clone.S
@@ -1,6 +1,5 @@
 /* Wrapper around clone system call.  64 bit S/390 version.
    Copyright (C) 2001-2021 Free Software Foundation, Inc.
-   Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/getcontext.S b/sysdeps/unix/sysv/linux/s390/s390-64/getcontext.S
index 65f54e310c..edf6265928 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-64/getcontext.S
+++ b/sysdeps/unix/sysv/linux/s390/s390-64/getcontext.S
@@ -1,6 +1,5 @@
 /* Copyright (C) 2001-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/makecontext.c b/sysdeps/unix/sysv/linux/s390/s390-64/makecontext.c
index 838243de69..43b9b15c9e 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-64/makecontext.c
+++ b/sysdeps/unix/sysv/linux/s390/s390-64/makecontext.c
@@ -1,6 +1,5 @@
 /* Copyright (C) 2001-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/register-dump.h b/sysdeps/unix/sysv/linux/s390/s390-64/register-dump.h
index b5aa8dce5e..1c9ca2e300 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-64/register-dump.h
+++ b/sysdeps/unix/sysv/linux/s390/s390-64/register-dump.h
@@ -1,6 +1,5 @@
 /* Dump registers.  64 bit S/390 version.
    Copyright (C) 2001-2021 Free Software Foundation, Inc.
-   Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/setcontext.S b/sysdeps/unix/sysv/linux/s390/s390-64/setcontext.S
index f2603a0d43..ad7ee0f662 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-64/setcontext.S
+++ b/sysdeps/unix/sysv/linux/s390/s390-64/setcontext.S
@@ -1,6 +1,5 @@
 /* Copyright (C) 2001-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/swapcontext.S b/sysdeps/unix/sysv/linux/s390/s390-64/swapcontext.S
index 85e0242ecf..66090e80d1 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-64/swapcontext.S
+++ b/sysdeps/unix/sysv/linux/s390/s390-64/swapcontext.S
@@ -1,6 +1,5 @@
 /* Copyright (C) 2002-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/syscall.S b/sysdeps/unix/sysv/linux/s390/s390-64/syscall.S
index 2323225f3c..4368cb14d8 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-64/syscall.S
+++ b/sysdeps/unix/sysv/linux/s390/s390-64/syscall.S
@@ -1,5 +1,4 @@
 /* Copyright (C) 2001-2021 Free Software Foundation, Inc.
-   Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/sysdep.S b/sysdeps/unix/sysv/linux/s390/s390-64/sysdep.S
index 0ae81bacf2..9fe8d00eb8 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-64/sysdep.S
+++ b/sysdeps/unix/sysv/linux/s390/s390-64/sysdep.S
@@ -1,5 +1,4 @@
 /* Copyright (C) 2001-2021 Free Software Foundation, Inc.
-   Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/sysdep.h b/sysdeps/unix/sysv/linux/s390/s390-64/sysdep.h
index cbf2553cd8..713d8fffa3 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-64/sysdep.h
+++ b/sysdeps/unix/sysv/linux/s390/s390-64/sysdep.h
@@ -1,6 +1,5 @@
 /* Assembler macros for 64 bit S/390.
    Copyright (C) 2001-2021 Free Software Foundation, Inc.
-   Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/vfork.S b/sysdeps/unix/sysv/linux/s390/s390-64/vfork.S
index 2b2322b964..342dc2f923 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-64/vfork.S
+++ b/sysdeps/unix/sysv/linux/s390/s390-64/vfork.S
@@ -1,6 +1,5 @@
 /* Copyright (C) 2004-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Jakub Jelinek <jakub@redhat.com>, 2004.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/s390/sigcontextinfo.h b/sysdeps/unix/sysv/linux/s390/sigcontextinfo.h
index 5fc4238619..cf996cc15e 100644
--- a/sysdeps/unix/sysv/linux/s390/sigcontextinfo.h
+++ b/sysdeps/unix/sysv/linux/s390/sigcontextinfo.h
@@ -1,5 +1,4 @@
 /* Copyright (C) 2000-2021 Free Software Foundation, Inc.
-   Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/sysdeps/unix/sysv/linux/s390/sys/ptrace.h b/sysdeps/unix/sysv/linux/s390/sys/ptrace.h
index 3ddd2e4267..6951a39283 100644
--- a/sysdeps/unix/sysv/linux/s390/sys/ptrace.h
+++ b/sysdeps/unix/sysv/linux/s390/sys/ptrace.h
@@ -1,6 +1,5 @@
 /* `ptrace' debugger support interface.  Linux/S390 version.
    Copyright (C) 2000-2021 Free Software Foundation, Inc.
-   Contributed by Denis Joseph Barrow (djbarrow@de.ibm.com).
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/sysdeps/unix/sysv/linux/s390/sys/ucontext.h b/sysdeps/unix/sysv/linux/s390/sys/ucontext.h
index d81bf40f3e..1fb8cb9b76 100644
--- a/sysdeps/unix/sysv/linux/s390/sys/ucontext.h
+++ b/sysdeps/unix/sysv/linux/s390/sys/ucontext.h
@@ -1,5 +1,4 @@
 /* Copyright (C) 2000-2021 Free Software Foundation, Inc.
-   Contributed by Denis Joseph Barrow (djbarrow@de.ibm.com).
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/sysdeps/unix/sysv/linux/semctl.c b/sysdeps/unix/sysv/linux/semctl.c
index bb2690d30f..95e9f0910a 100644
--- a/sysdeps/unix/sysv/linux/semctl.c
+++ b/sysdeps/unix/sysv/linux/semctl.c
@@ -1,6 +1,5 @@
 /* Copyright (C) 1995-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, August 1995.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/semget.c b/sysdeps/unix/sysv/linux/semget.c
index 1187a56540..1e6bc65ed4 100644
--- a/sysdeps/unix/sysv/linux/semget.c
+++ b/sysdeps/unix/sysv/linux/semget.c
@@ -1,6 +1,5 @@
 /* Copyright (C) 1995-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, August 1995.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/semop.c b/sysdeps/unix/sysv/linux/semop.c
index 9f863886c0..52460db080 100644
--- a/sysdeps/unix/sysv/linux/semop.c
+++ b/sysdeps/unix/sysv/linux/semop.c
@@ -1,6 +1,5 @@
 /* Copyright (C) 1995-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, August 1995.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/semtimedop.c b/sysdeps/unix/sysv/linux/semtimedop.c
index d4fea4e55a..43577535ef 100644
--- a/sysdeps/unix/sysv/linux/semtimedop.c
+++ b/sysdeps/unix/sysv/linux/semtimedop.c
@@ -1,6 +1,5 @@
 /* Copyright (C) 1995-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, August 1995.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/sendmmsg.c b/sysdeps/unix/sysv/linux/sendmmsg.c
index 10aaff4d1f..d75adbf30e 100644
--- a/sysdeps/unix/sysv/linux/sendmmsg.c
+++ b/sysdeps/unix/sysv/linux/sendmmsg.c
@@ -1,6 +1,5 @@
 /* Copyright (C) 2011-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/setipv4sourcefilter.c b/sysdeps/unix/sysv/linux/setipv4sourcefilter.c
index e452bcbfff..a143473666 100644
--- a/sysdeps/unix/sysv/linux/setipv4sourcefilter.c
+++ b/sysdeps/unix/sysv/linux/setipv4sourcefilter.c
@@ -1,7 +1,6 @@
 /* Set IPv4 source filter.  Linux version.
    Copyright (C) 2004-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@redhat.com>, 2004.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/setsourcefilter.c b/sysdeps/unix/sysv/linux/setsourcefilter.c
index 92150952f4..d45e659706 100644
--- a/sysdeps/unix/sysv/linux/setsourcefilter.c
+++ b/sysdeps/unix/sysv/linux/setsourcefilter.c
@@ -1,7 +1,6 @@
 /* Set source filter.  Linux version.
    Copyright (C) 2004-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@redhat.com>, 2004.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/sh/sigcontextinfo.h b/sysdeps/unix/sysv/linux/sh/sigcontextinfo.h
index 0ca726d4ca..d36403117b 100644
--- a/sysdeps/unix/sysv/linux/sh/sigcontextinfo.h
+++ b/sysdeps/unix/sysv/linux/sh/sigcontextinfo.h
@@ -1,6 +1,5 @@
 /* Copyright (C) 1999-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Philip Blundell <philb@gnu.org>, 1999.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/sh/sysdep.h b/sysdeps/unix/sysv/linux/sh/sysdep.h
index 97aa92dfa2..3eafbb0055 100644
--- a/sysdeps/unix/sysv/linux/sh/sysdep.h
+++ b/sysdeps/unix/sysv/linux/sh/sysdep.h
@@ -1,7 +1,5 @@
 /* Copyright (C) 1992-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper, <drepper@gnu.ai.mit.edu>, August 1995.
-   Changed by Kaz Kojima, <kkojima@rr.iij4u.or.jp>.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/shmat.c b/sysdeps/unix/sysv/linux/shmat.c
index 810084e7a5..268d2a392a 100644
--- a/sysdeps/unix/sysv/linux/shmat.c
+++ b/sysdeps/unix/sysv/linux/shmat.c
@@ -1,6 +1,5 @@
 /* Copyright (C) 1995-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, August 1995.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/shmctl.c b/sysdeps/unix/sysv/linux/shmctl.c
index f52018bfae..7582c28985 100644
--- a/sysdeps/unix/sysv/linux/shmctl.c
+++ b/sysdeps/unix/sysv/linux/shmctl.c
@@ -1,6 +1,5 @@
 /* Copyright (C) 1995-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, August 1995.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/shmdt.c b/sysdeps/unix/sysv/linux/shmdt.c
index e9cc896866..7176fe358d 100644
--- a/sysdeps/unix/sysv/linux/shmdt.c
+++ b/sysdeps/unix/sysv/linux/shmdt.c
@@ -1,6 +1,5 @@
 /* Copyright (C) 1995-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, August 1995.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/shmget.c b/sysdeps/unix/sysv/linux/shmget.c
index faedfebc81..3f0cd54fd4 100644
--- a/sysdeps/unix/sysv/linux/shmget.c
+++ b/sysdeps/unix/sysv/linux/shmget.c
@@ -1,6 +1,5 @@
 /* Copyright (C) 1995-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, August 1995.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/sigset-cvt-mask.h b/sysdeps/unix/sysv/linux/sigset-cvt-mask.h
index 7ba2254e40..fb8e2e52a5 100644
--- a/sysdeps/unix/sysv/linux/sigset-cvt-mask.h
+++ b/sysdeps/unix/sysv/linux/sigset-cvt-mask.h
@@ -2,7 +2,6 @@
    Linux version.
    Copyright (C) 1998-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Joe Keane <jgk@jgk.org>.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/sigstack.c b/sysdeps/unix/sysv/linux/sigstack.c
index 8225b17ba1..c2d3e3f95d 100644
--- a/sysdeps/unix/sysv/linux/sigstack.c
+++ b/sysdeps/unix/sysv/linux/sigstack.c
@@ -1,7 +1,6 @@
 /* Emulate sigstack function using sigaltstack.
    Copyright (C) 1998-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/sparc/readelflib.c b/sysdeps/unix/sysv/linux/sparc/readelflib.c
index bbfc81337a..22433b2a34 100644
--- a/sysdeps/unix/sysv/linux/sparc/readelflib.c
+++ b/sysdeps/unix/sysv/linux/sparc/readelflib.c
@@ -1,7 +1,5 @@
 /* Copyright (C) 1999-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Andreas Jaeger <aj@suse.de>, 1999 and
-		  Jakub Jelinek <jakub@redhat.com>, 1999.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/clone.S b/sysdeps/unix/sysv/linux/sparc/sparc32/clone.S
index cb89333739..8d8ee43849 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc32/clone.S
+++ b/sysdeps/unix/sysv/linux/sparc/sparc32/clone.S
@@ -1,6 +1,5 @@
 /* Copyright (C) 1996-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Richard Henderson (rth@tamu.edu).
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/getcontext.S b/sysdeps/unix/sysv/linux/sparc/sparc32/getcontext.S
index 693b8399bf..46ba7d5c47 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc32/getcontext.S
+++ b/sysdeps/unix/sysv/linux/sparc/sparc32/getcontext.S
@@ -1,7 +1,6 @@
 /* Save current context.
    Copyright (C) 2008-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by David S. Miller <davem@davemloft.net>, 2008.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/libc_sigaction.c b/sysdeps/unix/sysv/linux/sparc/sparc32/libc_sigaction.c
index 09a052fc05..1cd73c87b9 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc32/libc_sigaction.c
+++ b/sysdeps/unix/sysv/linux/sparc/sparc32/libc_sigaction.c
@@ -1,7 +1,6 @@
 /* POSIX.1 sigaction call for Linux/SPARC.
    Copyright (C) 1997-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Miguel de Icaza <miguel@nuclecu.unam.mx>, 1997.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/makecontext.c b/sysdeps/unix/sysv/linux/sparc/sparc32/makecontext.c
index 3635ad4894..50305e80fe 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc32/makecontext.c
+++ b/sysdeps/unix/sysv/linux/sparc/sparc32/makecontext.c
@@ -1,7 +1,6 @@
 /* Create new context.
    Copyright (C) 2008-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by David S. Miller <davem@davemloft.net>, 2008.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/pipe.S b/sysdeps/unix/sysv/linux/sparc/sparc32/pipe.S
index 39a815b6f0..0fa155fa61 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc32/pipe.S
+++ b/sysdeps/unix/sysv/linux/sparc/sparc32/pipe.S
@@ -1,6 +1,5 @@
 /* Copyright (C) 1997-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Miguel de Icaza <miguel@gnu.ai.mit.edu>, 1997.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/register-dump.h b/sysdeps/unix/sysv/linux/sparc/sparc32/register-dump.h
index 9bb75b680a..23a2d50a95 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc32/register-dump.h
+++ b/sysdeps/unix/sysv/linux/sparc/sparc32/register-dump.h
@@ -1,7 +1,6 @@
 /* Dump registers.
    Copyright (C) 1999-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Jakub Jelinek <jakub@redhat.com>, 1999.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/setcontext.S b/sysdeps/unix/sysv/linux/sparc/sparc32/setcontext.S
index 2362f14d5b..e803a63e44 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc32/setcontext.S
+++ b/sysdeps/unix/sysv/linux/sparc/sparc32/setcontext.S
@@ -1,7 +1,6 @@
 /* Install given context.
    Copyright (C) 2008-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by David S. Miller <davem@davemloft.net>, 2008.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/sigcontextinfo.h b/sysdeps/unix/sysv/linux/sparc/sparc32/sigcontextinfo.h
index ca9c9ccea9..4d7cec1f29 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc32/sigcontextinfo.h
+++ b/sysdeps/unix/sysv/linux/sparc/sparc32/sigcontextinfo.h
@@ -1,6 +1,5 @@
 /* Copyright (C) 1999-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Jakub Jelinek <jakub@redhat.com>, 1999.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/swapcontext.S b/sysdeps/unix/sysv/linux/sparc/sparc32/swapcontext.S
index 1db30c5b56..eef3ec2011 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc32/swapcontext.S
+++ b/sysdeps/unix/sysv/linux/sparc/sparc32/swapcontext.S
@@ -1,7 +1,6 @@
 /* Save current context and install the given one.
    Copyright (C) 2008-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by David S. Miller <davem@davemloft.net>, 2008.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/sysdep.h b/sysdeps/unix/sysv/linux/sparc/sparc32/sysdep.h
index 7cbfdada63..4e50e506f3 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc32/sysdep.h
+++ b/sysdeps/unix/sysv/linux/sparc/sparc32/sysdep.h
@@ -1,6 +1,5 @@
 /* Copyright (C) 1997-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Miguel de Icaza <miguel@gnu.ai.mit.edu>, January 1997.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/vfork.S b/sysdeps/unix/sysv/linux/sparc/sparc32/vfork.S
index 0f5633836d..bc087e89a6 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc32/vfork.S
+++ b/sysdeps/unix/sysv/linux/sparc/sparc32/vfork.S
@@ -1,6 +1,5 @@
 /* Copyright (C) 2004-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Jakub Jelinek <jakub@redhat.com>, 2004.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/clone.S b/sysdeps/unix/sysv/linux/sparc/sparc64/clone.S
index e4fc3c35a8..e6221a2fb1 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc64/clone.S
+++ b/sysdeps/unix/sysv/linux/sparc/sparc64/clone.S
@@ -1,6 +1,5 @@
 /* Copyright (C) 1997-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Richard Henderson (rth@tamu.edu).
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/getcontext.S b/sysdeps/unix/sysv/linux/sparc/sparc64/getcontext.S
index 092c6deee6..e921bcbb63 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc64/getcontext.S
+++ b/sysdeps/unix/sysv/linux/sparc/sparc64/getcontext.S
@@ -1,6 +1,5 @@
 /* Copyright (C) 1997-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Richard Henderson (rth@tamu.edu).
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/libc_sigaction.c b/sysdeps/unix/sysv/linux/sparc/sparc64/libc_sigaction.c
index 6cfcf0a4cb..4ba04a3242 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc64/libc_sigaction.c
+++ b/sysdeps/unix/sysv/linux/sparc/sparc64/libc_sigaction.c
@@ -1,8 +1,6 @@
 /* POSIX.1 sigaction call for Linux/SPARC64.
    Copyright (C) 1997-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Miguel de Icaza <miguel@nuclecu.unam.mx> and
-		  Jakub Jelinek <jj@ultra.linux.cz>.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/longjmp.S b/sysdeps/unix/sysv/linux/sparc/sparc64/longjmp.S
index 0aaad78abe..a1068fb52e 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc64/longjmp.S
+++ b/sysdeps/unix/sysv/linux/sparc/sparc64/longjmp.S
@@ -1,6 +1,5 @@
 /* Copyright (C) 1997-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Richard Henderson (rth@tamu.edu).
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/makecontext.c b/sysdeps/unix/sysv/linux/sparc/sparc64/makecontext.c
index 26d5466af6..449a3b4f6c 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc64/makecontext.c
+++ b/sysdeps/unix/sysv/linux/sparc/sparc64/makecontext.c
@@ -1,6 +1,5 @@
 /* Copyright (C) 2001-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Jakub Jelinek <jakub@redhat.com>.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/pipe.S b/sysdeps/unix/sysv/linux/sparc/sparc64/pipe.S
index a0a9581604..da6ea71729 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc64/pipe.S
+++ b/sysdeps/unix/sysv/linux/sparc/sparc64/pipe.S
@@ -1,6 +1,5 @@
 /* Copyright (C) 1997-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Miguel de Icaza <miguel@gnu.ai.mit.edu>, 1997.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/register-dump.h b/sysdeps/unix/sysv/linux/sparc/sparc64/register-dump.h
index f86686dd59..13dcdc33ed 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc64/register-dump.h
+++ b/sysdeps/unix/sysv/linux/sparc/sparc64/register-dump.h
@@ -1,7 +1,6 @@
 /* Dump registers.
    Copyright (C) 1999-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Jakub Jelinek <jj@ultra.linux.cz>, 1999.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/setcontext.S b/sysdeps/unix/sysv/linux/sparc/sparc64/setcontext.S
index e316fd296f..1bedc28a88 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc64/setcontext.S
+++ b/sysdeps/unix/sysv/linux/sparc/sparc64/setcontext.S
@@ -1,6 +1,5 @@
 /* Copyright (C) 1997-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Richard Henderson (rth@tamu.edu).
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/setjmp.S b/sysdeps/unix/sysv/linux/sparc/sparc64/setjmp.S
index 676e8c3ba2..d93e12f91c 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc64/setjmp.S
+++ b/sysdeps/unix/sysv/linux/sparc/sparc64/setjmp.S
@@ -1,6 +1,5 @@
 /* Copyright (C) 1997-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Richard Henderson (rth@tamu.edu).
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/sigcontextinfo.h b/sysdeps/unix/sysv/linux/sparc/sparc64/sigcontextinfo.h
index 63378da26b..9f8cfbf4ae 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc64/sigcontextinfo.h
+++ b/sysdeps/unix/sysv/linux/sparc/sparc64/sigcontextinfo.h
@@ -1,6 +1,5 @@
 /* Copyright (C) 1999-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Jakub Jelinek <jj@ultra.linux.cz>, 1999.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/swapcontext.c b/sysdeps/unix/sysv/linux/sparc/sparc64/swapcontext.c
index 53248e6156..41995fdf4f 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc64/swapcontext.c
+++ b/sysdeps/unix/sysv/linux/sparc/sparc64/swapcontext.c
@@ -1,6 +1,5 @@
 /* Copyright (C) 2001-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Jakub Jelinek <jakub@redhat.com>.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/sysdep.h b/sysdeps/unix/sysv/linux/sparc/sparc64/sysdep.h
index 5aa80e32bf..693c8a8b46 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc64/sysdep.h
+++ b/sysdeps/unix/sysv/linux/sparc/sparc64/sysdep.h
@@ -1,6 +1,5 @@
 /* Copyright (C) 1997-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Richard Henderson <richard@gnu.ai.mit.edu>, 1997.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/ucontext_i.h b/sysdeps/unix/sysv/linux/sparc/sparc64/ucontext_i.h
index 25db67169d..801faa31ed 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc64/ucontext_i.h
+++ b/sysdeps/unix/sysv/linux/sparc/sparc64/ucontext_i.h
@@ -1,6 +1,5 @@
 /* Copyright (C) 2001-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-     Contributed by Jakub Jelinek <jakub@redhat.com>.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/vfork.S b/sysdeps/unix/sysv/linux/sparc/sparc64/vfork.S
index 3306be7db0..272ba63291 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc64/vfork.S
+++ b/sysdeps/unix/sysv/linux/sparc/sparc64/vfork.S
@@ -1,6 +1,5 @@
 /* Copyright (C) 2004-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Jakub Jelinek <jakub@redhat.com>, 2004.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/sparc/sysdep.h b/sysdeps/unix/sysv/linux/sparc/sysdep.h
index 0c55902178..8ff5b24eb1 100644
--- a/sysdeps/unix/sysv/linux/sparc/sysdep.h
+++ b/sysdeps/unix/sysv/linux/sparc/sysdep.h
@@ -1,6 +1,5 @@
 /* Copyright (C) 2000-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Jakub Jelinek <jakub@redhat.com>, 2000.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/statfs.c b/sysdeps/unix/sysv/linux/statfs.c
index ee248b4212..394407e658 100644
--- a/sysdeps/unix/sysv/linux/statfs.c
+++ b/sysdeps/unix/sysv/linux/statfs.c
@@ -1,6 +1,5 @@
 /* Copyright (C) 2011-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/statvfs.c b/sysdeps/unix/sysv/linux/statvfs.c
index 210242b9a0..e295803f1a 100644
--- a/sysdeps/unix/sysv/linux/statvfs.c
+++ b/sysdeps/unix/sysv/linux/statvfs.c
@@ -1,6 +1,5 @@
 /* Copyright (C) 1998-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/timer_create.c b/sysdeps/unix/sysv/linux/timer_create.c
index fb904a86e3..1406d19feb 100644
--- a/sysdeps/unix/sysv/linux/timer_create.c
+++ b/sysdeps/unix/sysv/linux/timer_create.c
@@ -1,6 +1,5 @@
 /* Copyright (C) 2003-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public License as
diff --git a/sysdeps/unix/sysv/linux/timer_delete.c b/sysdeps/unix/sysv/linux/timer_delete.c
index c068ca4c41..32d26bf34d 100644
--- a/sysdeps/unix/sysv/linux/timer_delete.c
+++ b/sysdeps/unix/sysv/linux/timer_delete.c
@@ -1,6 +1,5 @@
 /* Copyright (C) 2003-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public License as
diff --git a/sysdeps/unix/sysv/linux/timer_getoverr.c b/sysdeps/unix/sysv/linux/timer_getoverr.c
index 18467c4059..5c92e0eb6d 100644
--- a/sysdeps/unix/sysv/linux/timer_getoverr.c
+++ b/sysdeps/unix/sysv/linux/timer_getoverr.c
@@ -1,6 +1,5 @@
 /* Copyright (C) 2003-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public License as
diff --git a/sysdeps/unix/sysv/linux/timer_gettime.c b/sysdeps/unix/sysv/linux/timer_gettime.c
index a0537060c8..c1209714bb 100644
--- a/sysdeps/unix/sysv/linux/timer_gettime.c
+++ b/sysdeps/unix/sysv/linux/timer_gettime.c
@@ -1,6 +1,5 @@
 /* Copyright (C) 2003-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public License as
diff --git a/sysdeps/unix/sysv/linux/timer_routines.c b/sysdeps/unix/sysv/linux/timer_routines.c
index 02bad0384e..67a49f19a7 100644
--- a/sysdeps/unix/sysv/linux/timer_routines.c
+++ b/sysdeps/unix/sysv/linux/timer_routines.c
@@ -1,6 +1,5 @@
 /* Copyright (C) 2003-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public License as
diff --git a/sysdeps/unix/sysv/linux/timer_settime.c b/sysdeps/unix/sysv/linux/timer_settime.c
index 8884abfdc6..24706e45d8 100644
--- a/sysdeps/unix/sysv/linux/timer_settime.c
+++ b/sysdeps/unix/sysv/linux/timer_settime.c
@@ -1,6 +1,5 @@
 /* Copyright (C) 2003-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public License as
diff --git a/sysdeps/unix/sysv/linux/umount.c b/sysdeps/unix/sysv/linux/umount.c
index 3d72207a64..010cebf162 100644
--- a/sysdeps/unix/sysv/linux/umount.c
+++ b/sysdeps/unix/sysv/linux/umount.c
@@ -1,6 +1,5 @@
 /* Copyright (C) 2011-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/unlockpt.c b/sysdeps/unix/sysv/linux/unlockpt.c
index ae5148afe7..7a2055a31a 100644
--- a/sysdeps/unix/sysv/linux/unlockpt.c
+++ b/sysdeps/unix/sysv/linux/unlockpt.c
@@ -1,6 +1,5 @@
 /* Copyright (C) 1998-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Zack Weinberg <zack@rabi.phys.columbia.edu>, 1998.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/updwtmp.c b/sysdeps/unix/sysv/linux/updwtmp.c
index 93d72e75a6..ff23e24b5a 100644
--- a/sysdeps/unix/sysv/linux/updwtmp.c
+++ b/sysdeps/unix/sysv/linux/updwtmp.c
@@ -1,6 +1,5 @@
 /* Copyright (C) 1998-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Mark Kettenis <kettenis@phys.uva.nl>, 1998.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/ustat.c b/sysdeps/unix/sysv/linux/ustat.c
index df6673a716..0f16795779 100644
--- a/sysdeps/unix/sysv/linux/ustat.c
+++ b/sysdeps/unix/sysv/linux/ustat.c
@@ -1,7 +1,6 @@
 /* Get filesystem statistics (deprecated).  Linux version.
    Copyright (C) 1997-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/utmp_file.c b/sysdeps/unix/sysv/linux/utmp_file.c
index 78d10db8c8..e5adcec6d0 100644
--- a/sysdeps/unix/sysv/linux/utmp_file.c
+++ b/sysdeps/unix/sysv/linux/utmp_file.c
@@ -1,6 +1,5 @@
 /* Copyright (C) 1998-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Mark Kettenis <kettenis@phys.uva.nl>, 1998.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/x86/readelflib.c b/sysdeps/unix/sysv/linux/x86/readelflib.c
index 4a9bcc82cb..b10871d9ba 100644
--- a/sysdeps/unix/sysv/linux/x86/readelflib.c
+++ b/sysdeps/unix/sysv/linux/x86/readelflib.c
@@ -1,7 +1,5 @@
 /* Copyright (C) 1999-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Andreas Jaeger <aj@suse.de>, 1999 and
-		  Jakub Jelinek <jakub@redhat.com>, 2000.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/x86_64/__start_context.S b/sysdeps/unix/sysv/linux/x86_64/__start_context.S
index 49381e369e..af6b971cec 100644
--- a/sysdeps/unix/sysv/linux/x86_64/__start_context.S
+++ b/sysdeps/unix/sysv/linux/x86_64/__start_context.S
@@ -1,6 +1,5 @@
 /* Copyright (C) 2002-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Andreas Jaeger <aj@suse.de>, 2002.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/x86_64/getcontext.S b/sysdeps/unix/sysv/linux/x86_64/getcontext.S
index 5ca779b15b..9bee1d73d4 100644
--- a/sysdeps/unix/sysv/linux/x86_64/getcontext.S
+++ b/sysdeps/unix/sysv/linux/x86_64/getcontext.S
@@ -1,7 +1,6 @@
 /* Save current context.
    Copyright (C) 2002-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Andreas Jaeger <aj@suse.de>, 2002.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/x86_64/makecontext.c b/sysdeps/unix/sysv/linux/x86_64/makecontext.c
index ceb5c02bad..c148f38e96 100644
--- a/sysdeps/unix/sysv/linux/x86_64/makecontext.c
+++ b/sysdeps/unix/sysv/linux/x86_64/makecontext.c
@@ -1,7 +1,6 @@
 /* Create new context.
    Copyright (C) 2002-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Andreas Jaeger <aj@suse.de>, 2002.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/x86_64/setcontext.S b/sysdeps/unix/sysv/linux/x86_64/setcontext.S
index 2330bd2698..b071fd9fd0 100644
--- a/sysdeps/unix/sysv/linux/x86_64/setcontext.S
+++ b/sysdeps/unix/sysv/linux/x86_64/setcontext.S
@@ -1,7 +1,6 @@
 /* Install given context.
    Copyright (C) 2002-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Andreas Jaeger <aj@suse.de>, 2002.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/unix/sysv/linux/x86_64/swapcontext.S b/sysdeps/unix/sysv/linux/x86_64/swapcontext.S
index dbc1a3a840..50e1c5ae39 100644
--- a/sysdeps/unix/sysv/linux/x86_64/swapcontext.S
+++ b/sysdeps/unix/sysv/linux/x86_64/swapcontext.S
@@ -1,7 +1,6 @@
 /* Save current context and install the given one.
    Copyright (C) 2002-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Andreas Jaeger <aj@suse.de>, 2002.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public