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-rw-r--r--sysdeps/s390/atomic-machine.h1
-rw-r--r--sysdeps/s390/dl-procinfo.c1
-rw-r--r--sysdeps/s390/dl-procinfo.h1
-rw-r--r--sysdeps/s390/ffs.c1
-rw-r--r--sysdeps/s390/fpu/bits/fenv.h1
-rw-r--r--sysdeps/s390/fpu/e_sqrtl.c1
-rw-r--r--sysdeps/s390/fpu/fedisblxcpt.c1
-rw-r--r--sysdeps/s390/fpu/feenablxcpt.c1
-rw-r--r--sysdeps/s390/fpu/fegetenv.c1
-rw-r--r--sysdeps/s390/fpu/fegetexcept.c1
-rw-r--r--sysdeps/s390/fpu/fegetround.c1
-rw-r--r--sysdeps/s390/fpu/feholdexcpt.c1
-rw-r--r--sysdeps/s390/fpu/fenv_libc.h1
-rw-r--r--sysdeps/s390/fpu/fesetenv.c1
-rw-r--r--sysdeps/s390/fpu/fesetround.c1
-rw-r--r--sysdeps/s390/fpu/feupdateenv.c1
-rw-r--r--sysdeps/s390/fpu/fgetexcptflg.c1
-rw-r--r--sysdeps/s390/fpu/fpu_control.h2
-rw-r--r--sysdeps/s390/fpu/fraiseexcpt.c2
-rw-r--r--sysdeps/s390/fpu/fsetexcptflg.c1
-rw-r--r--sysdeps/s390/fpu/ftestexcept.c1
-rw-r--r--sysdeps/s390/iso-8859-1_cp037_z900.c6
-rw-r--r--sysdeps/s390/jmpbuf-unwind.h1
-rw-r--r--sysdeps/s390/memchr-z900.S1
-rw-r--r--sysdeps/s390/memset-z900.S1
-rw-r--r--sysdeps/s390/s390-32/__longjmp.c1
-rw-r--r--sysdeps/s390/s390-32/add_n.S1
-rw-r--r--sysdeps/s390/s390-32/addmul_1.S1
-rw-r--r--sysdeps/s390/s390-32/dl-machine.h1
-rw-r--r--sysdeps/s390/s390-32/mul_1.S1
-rw-r--r--sysdeps/s390/s390-32/s390-mcount.S1
-rw-r--r--sysdeps/s390/s390-32/setjmp.S1
-rw-r--r--sysdeps/s390/s390-32/start.S1
-rw-r--r--sysdeps/s390/s390-32/strncpy-z900.S1
-rw-r--r--sysdeps/s390/s390-32/sub_n.S1
-rw-r--r--sysdeps/s390/s390-32/sysdep.h1
-rw-r--r--sysdeps/s390/s390-64/__longjmp.c1
-rw-r--r--sysdeps/s390/s390-64/add_n.S1
-rw-r--r--sysdeps/s390/s390-64/crti.S1
-rw-r--r--sysdeps/s390/s390-64/crtn.S1
-rw-r--r--sysdeps/s390/s390-64/dl-machine.h1
-rw-r--r--sysdeps/s390/s390-64/s390x-mcount.h1
-rw-r--r--sysdeps/s390/s390-64/setjmp.S1
-rw-r--r--sysdeps/s390/s390-64/start.S1
-rw-r--r--sysdeps/s390/s390-64/strncpy-z900.S1
-rw-r--r--sysdeps/s390/s390-64/sub_n.S1
-rw-r--r--sysdeps/s390/s390-64/sysdep.h1
-rw-r--r--sysdeps/s390/strcmp-z900.S1
-rw-r--r--sysdeps/s390/strcpy-z900.S1
-rw-r--r--sysdeps/s390/utf16-utf32-z9.c6
-rw-r--r--sysdeps/s390/utf8-utf16-z9.c6
-rw-r--r--sysdeps/s390/utf8-utf32-z9.c6
52 files changed, 0 insertions, 74 deletions
diff --git a/sysdeps/s390/atomic-machine.h b/sysdeps/s390/atomic-machine.h
index 052a7d245d..34409ca3c6 100644
--- a/sysdeps/s390/atomic-machine.h
+++ b/sysdeps/s390/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 Martin Schwidefsky <schwidefsky@de.ibm.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/s390/dl-procinfo.c b/sysdeps/s390/dl-procinfo.c
index c174e27b35..7314c31b15 100644
--- a/sysdeps/s390/dl-procinfo.c
+++ b/sysdeps/s390/dl-procinfo.c
@@ -1,7 +1,6 @@
 /* Data for s390 version of processor capability information.
    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/s390/dl-procinfo.h b/sysdeps/s390/dl-procinfo.h
index 2d9c305808..2502dd2604 100644
--- a/sysdeps/s390/dl-procinfo.h
+++ b/sysdeps/s390/dl-procinfo.h
@@ -1,7 +1,6 @@
 /* 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/s390/ffs.c b/sysdeps/s390/ffs.c
index c52b97f24b..bf182437d0 100644
--- a/sysdeps/s390/ffs.c
+++ b/sysdeps/s390/ffs.c
@@ -1,7 +1,6 @@
 /* ffs -- find first set bit in a word, counted from least significant end.
    S/390 version.
    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/s390/fpu/bits/fenv.h b/sysdeps/s390/fpu/bits/fenv.h
index da143b1d96..be5b7e820b 100644
--- a/sysdeps/s390/fpu/bits/fenv.h
+++ b/sysdeps/s390/fpu/bits/fenv.h
@@ -1,6 +1,5 @@
 /* Copyright (C) 2000-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Denis Joseph Barrow <djbarrow@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/s390/fpu/e_sqrtl.c b/sysdeps/s390/fpu/e_sqrtl.c
index b7817ac572..2631443770 100644
--- a/sysdeps/s390/fpu/e_sqrtl.c
+++ b/sysdeps/s390/fpu/e_sqrtl.c
@@ -1,6 +1,5 @@
 /* Square root.  S/390 FPU version.
    Copyright (C) 2004-2021 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/s390/fpu/fedisblxcpt.c b/sysdeps/s390/fpu/fedisblxcpt.c
index 2b25e98efe..ca22ae593b 100644
--- a/sysdeps/s390/fpu/fedisblxcpt.c
+++ b/sysdeps/s390/fpu/fedisblxcpt.c
@@ -1,7 +1,6 @@
 /* Disable floating-point exceptions.
    Copyright (C) 2000-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Denis Joseph Barrow (djbarrow@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/s390/fpu/feenablxcpt.c b/sysdeps/s390/fpu/feenablxcpt.c
index bd5b8f06dc..64fe38a91a 100644
--- a/sysdeps/s390/fpu/feenablxcpt.c
+++ b/sysdeps/s390/fpu/feenablxcpt.c
@@ -1,7 +1,6 @@
 /* Enable floating-point exceptions.
    Copyright (C) 2000-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Denis Joseph Barrow (djbarrow@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/s390/fpu/fegetenv.c b/sysdeps/s390/fpu/fegetenv.c
index 4a87cc1bbc..8143d2ec88 100644
--- a/sysdeps/s390/fpu/fegetenv.c
+++ b/sysdeps/s390/fpu/fegetenv.c
@@ -1,7 +1,6 @@
 /* Store current floating-point environment.
    Copyright (C) 2000-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Denis Joseph Barrow (djbarrow@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/s390/fpu/fegetexcept.c b/sysdeps/s390/fpu/fegetexcept.c
index ca0942f8f8..15208403c5 100644
--- a/sysdeps/s390/fpu/fegetexcept.c
+++ b/sysdeps/s390/fpu/fegetexcept.c
@@ -1,7 +1,6 @@
 /* Get enabled floating-point exceptions.
    Copyright (C) 2000-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Denis Joseph Barrow (djbarrow@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/s390/fpu/fegetround.c b/sysdeps/s390/fpu/fegetround.c
index e76866e26f..a2f9cccbbe 100644
--- a/sysdeps/s390/fpu/fegetround.c
+++ b/sysdeps/s390/fpu/fegetround.c
@@ -1,7 +1,6 @@
 /* Return current rounding direction.
    Copyright (C) 2000-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Denis Joseph Barrow (djbarrow@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/s390/fpu/feholdexcpt.c b/sysdeps/s390/fpu/feholdexcpt.c
index a48343a9a0..cd08909010 100644
--- a/sysdeps/s390/fpu/feholdexcpt.c
+++ b/sysdeps/s390/fpu/feholdexcpt.c
@@ -1,7 +1,6 @@
 /* Store current floating-point environment and clear exceptions.
    Copyright (C) 2000-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Denis Joseph Barrow (djbarrow@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/s390/fpu/fenv_libc.h b/sysdeps/s390/fpu/fenv_libc.h
index a3384d3ceb..44a4dc302d 100644
--- a/sysdeps/s390/fpu/fenv_libc.h
+++ b/sysdeps/s390/fpu/fenv_libc.h
@@ -1,6 +1,5 @@
 /* Copyright (C) 2000-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Denis Joseph Barrow (djbarrow@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/s390/fpu/fesetenv.c b/sysdeps/s390/fpu/fesetenv.c
index f94e7d7e2b..4d6fdd52dd 100644
--- a/sysdeps/s390/fpu/fesetenv.c
+++ b/sysdeps/s390/fpu/fesetenv.c
@@ -1,7 +1,6 @@
 /* Install given floating-point environment.
    Copyright (C) 2000-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Denis Joseph Barrow (djbarrow@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/s390/fpu/fesetround.c b/sysdeps/s390/fpu/fesetround.c
index d8aec321a0..6cbc4320fa 100644
--- a/sysdeps/s390/fpu/fesetround.c
+++ b/sysdeps/s390/fpu/fesetround.c
@@ -1,7 +1,6 @@
 /* Set current rounding direction.
    Copyright (C) 2000-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Denis Joseph Barrow (djbarrow@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/s390/fpu/feupdateenv.c b/sysdeps/s390/fpu/feupdateenv.c
index ae02e623e2..10f708ca34 100644
--- a/sysdeps/s390/fpu/feupdateenv.c
+++ b/sysdeps/s390/fpu/feupdateenv.c
@@ -1,7 +1,6 @@
 /* Install given floating-point environment and raise exceptions.
    Copyright (C) 2000-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Denis Joseph Barrow (djbarrow@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/s390/fpu/fgetexcptflg.c b/sysdeps/s390/fpu/fgetexcptflg.c
index 4b86081a69..e20479c806 100644
--- a/sysdeps/s390/fpu/fgetexcptflg.c
+++ b/sysdeps/s390/fpu/fgetexcptflg.c
@@ -1,7 +1,6 @@
 /* Store current representation for exceptions.
    Copyright (C) 2000-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Denis Joseph Barrow (djbarrow@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/s390/fpu/fpu_control.h b/sysdeps/s390/fpu/fpu_control.h
index 2174e77197..59d7d0d797 100644
--- a/sysdeps/s390/fpu/fpu_control.h
+++ b/sysdeps/s390/fpu/fpu_control.h
@@ -1,7 +1,5 @@
 /* FPU control word definitions.  Stub version.
    Copyright (C) 2000-2021 Free Software Foundation, Inc.
-   Contributed by Denis Joseph Barrow (djbarrow@de.ibm.com) and
-   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/s390/fpu/fraiseexcpt.c b/sysdeps/s390/fpu/fraiseexcpt.c
index b86b6398f8..dd6ac72141 100644
--- a/sysdeps/s390/fpu/fraiseexcpt.c
+++ b/sysdeps/s390/fpu/fraiseexcpt.c
@@ -1,8 +1,6 @@
 /* Raise given exceptions.
    Copyright (C) 2000-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Denis Joseph Barrow (djbarrow@de.ibm.com) and
-   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/s390/fpu/fsetexcptflg.c b/sysdeps/s390/fpu/fsetexcptflg.c
index d63648673f..661707c655 100644
--- a/sysdeps/s390/fpu/fsetexcptflg.c
+++ b/sysdeps/s390/fpu/fsetexcptflg.c
@@ -1,7 +1,6 @@
 /* Set floating-point environment exception handling.
    Copyright (C) 2000-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Denis Joseph Barrow (djbarrow@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/s390/fpu/ftestexcept.c b/sysdeps/s390/fpu/ftestexcept.c
index fe3a2225bb..707eebcc3c 100644
--- a/sysdeps/s390/fpu/ftestexcept.c
+++ b/sysdeps/s390/fpu/ftestexcept.c
@@ -1,7 +1,6 @@
 /* Test exception in current environment.
    Copyright (C) 2000-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Denis Joseph Barrow (djbarrow@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/s390/iso-8859-1_cp037_z900.c b/sysdeps/s390/iso-8859-1_cp037_z900.c
index 8a8ebb0017..c5e834e2dc 100644
--- a/sysdeps/s390/iso-8859-1_cp037_z900.c
+++ b/sysdeps/s390/iso-8859-1_cp037_z900.c
@@ -3,12 +3,6 @@
    This module uses the translate instruction.
    Copyright (C) 1997-2021 Free Software Foundation, Inc.
 
-   Author: Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
-   Based on the work by Ulrich Drepper  <drepper@cygnus.com>, 1997.
-
-   Thanks to Daniel Appich who covered the relevant performance work
-   in his diploma thesis.
-
    This is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
diff --git a/sysdeps/s390/jmpbuf-unwind.h b/sysdeps/s390/jmpbuf-unwind.h
index 61b724c084..adebecfe3c 100644
--- a/sysdeps/s390/jmpbuf-unwind.h
+++ b/sysdeps/s390/jmpbuf-unwind.h
@@ -1,6 +1,5 @@
 /* Copyright (C) 2003-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Jakub Jelinek <jakub@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/s390/memchr-z900.S b/sysdeps/s390/memchr-z900.S
index 72fd9e023f..4056696549 100644
--- a/sysdeps/s390/memchr-z900.S
+++ b/sysdeps/s390/memchr-z900.S
@@ -1,6 +1,5 @@
 /* Search a character in a block of memory.  31/64 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/s390/memset-z900.S b/sysdeps/s390/memset-z900.S
index fc7242290f..2632af416b 100644
--- a/sysdeps/s390/memset-z900.S
+++ b/sysdeps/s390/memset-z900.S
@@ -1,6 +1,5 @@
 /* Set a block of memory to some byte value.  31/64 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/s390/s390-32/__longjmp.c b/sysdeps/s390/s390-32/__longjmp.c
index 955aaa394c..0f20500aea 100644
--- a/sysdeps/s390/s390-32/__longjmp.c
+++ b/sysdeps/s390/s390-32/__longjmp.c
@@ -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/s390/s390-32/add_n.S b/sysdeps/s390/s390-32/add_n.S
index d9e7ebcfef..6fd339b6c1 100644
--- a/sysdeps/s390/s390-32/add_n.S
+++ b/sysdeps/s390/s390-32/add_n.S
@@ -1,7 +1,6 @@
 /* Add two limb vectors of the same length > 0 and store sum in a third
    limb vector.
    Copyright (C) 2000-2021 Free Software Foundation, Inc.
-   Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
    This file is part of the GNU MP Library.
 
    The GNU MP Library is free software; you can redistribute it and/or modify
diff --git a/sysdeps/s390/s390-32/addmul_1.S b/sysdeps/s390/s390-32/addmul_1.S
index 58f25d7b48..ae9d5a9e5e 100644
--- a/sysdeps/s390/s390-32/addmul_1.S
+++ b/sysdeps/s390/s390-32/addmul_1.S
@@ -1,7 +1,6 @@
 /* S390 __mpn_addmul_1 -- Multiply a limb vector with a limb and add
    the result to a second limb vector.
    Copyright (C) 2000-2021 Free Software Foundation, Inc.
-   Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
    This file is part of the GNU MP Library.
 
    The GNU MP Library is free software; you can redistribute it and/or modify
diff --git a/sysdeps/s390/s390-32/dl-machine.h b/sysdeps/s390/s390-32/dl-machine.h
index d0ccd69261..73cc007e34 100644
--- a/sysdeps/s390/s390-32/dl-machine.h
+++ b/sysdeps/s390/s390-32/dl-machine.h
@@ -1,6 +1,5 @@
 /* Machine-dependent ELF dynamic relocation inline functions.  S390 Version.
    Copyright (C) 2000-2021 Free Software Foundation, Inc.
-   Contributed by Carl Pederson & Martin Schwidefsky.
    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/s390/s390-32/mul_1.S b/sysdeps/s390/s390-32/mul_1.S
index bec989070c..a93c5a5ee5 100644
--- a/sysdeps/s390/s390-32/mul_1.S
+++ b/sysdeps/s390/s390-32/mul_1.S
@@ -1,7 +1,6 @@
 /* __mpn_mul_1 -- Multiply a limb vector with a limb and store
    the result in a second limb vector.
    Copyright (C) 2000-2021 Free Software Foundation, Inc.
-   Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
    This file is part of the GNU MP Library.
 
    The GNU MP Library is free software; you can redistribute it and/or modify
diff --git a/sysdeps/s390/s390-32/s390-mcount.S b/sysdeps/s390/s390-32/s390-mcount.S
index 1a95b081d5..4289b4cbee 100644
--- a/sysdeps/s390/s390-32/s390-mcount.S
+++ b/sysdeps/s390/s390-32/s390-mcount.S
@@ -1,7 +1,6 @@
 /* S/390-specific implementation of profiling support.
    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/s390/s390-32/setjmp.S b/sysdeps/s390/s390-32/setjmp.S
index bcc1ae3986..401b7df3b6 100644
--- a/sysdeps/s390/s390-32/setjmp.S
+++ b/sysdeps/s390/s390-32/setjmp.S
@@ -1,6 +1,5 @@
 /* setjmp for s390, ELF version.
    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/s390/s390-32/start.S b/sysdeps/s390/s390-32/start.S
index b6cfa4caf3..211ba7a781 100644
--- a/sysdeps/s390/s390-32/start.S
+++ b/sysdeps/s390/s390-32/start.S
@@ -1,6 +1,5 @@
 /* Startup code compliant to the ELF s390 ABI.
    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/s390/s390-32/strncpy-z900.S b/sysdeps/s390/s390-32/strncpy-z900.S
index b0c3fc987b..0ce84e42a2 100644
--- a/sysdeps/s390/s390-32/strncpy-z900.S
+++ b/sysdeps/s390/s390-32/strncpy-z900.S
@@ -2,7 +2,6 @@
    destination.  For IBM S390
    This file is part of the GNU C Library.
    Copyright (C) 2000-2021 Free Software Foundation, Inc.
-   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/s390/s390-32/sub_n.S b/sysdeps/s390/s390-32/sub_n.S
index ab9f0d0ea5..d5fe253fc0 100644
--- a/sysdeps/s390/s390-32/sub_n.S
+++ b/sysdeps/s390/s390-32/sub_n.S
@@ -1,7 +1,6 @@
 /* __mpn_sub_n -- Add two limb vectors of the same length > 0 and store
    sum in a third limb vector.
    Copyright (C) 2000-2021 Free Software Foundation, Inc.
-   Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
    This file is part of the GNU MP Library.
 
    The GNU MP Library is free software; you can redistribute it and/or modify
diff --git a/sysdeps/s390/s390-32/sysdep.h b/sysdeps/s390/s390-32/sysdep.h
index 099a95fd1a..eb84c95935 100644
--- a/sysdeps/s390/s390-32/sysdep.h
+++ b/sysdeps/s390/s390-32/sysdep.h
@@ -1,6 +1,5 @@
 /* Assembler macros for s390.
    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/s390/s390-64/__longjmp.c b/sysdeps/s390/s390-64/__longjmp.c
index 5f3d6c850e..7935f2b575 100644
--- a/sysdeps/s390/s390-64/__longjmp.c
+++ b/sysdeps/s390/s390-64/__longjmp.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/s390/s390-64/add_n.S b/sysdeps/s390/s390-64/add_n.S
index 69a3b70384..685923d954 100644
--- a/sysdeps/s390/s390-64/add_n.S
+++ b/sysdeps/s390/s390-64/add_n.S
@@ -1,7 +1,6 @@
 /* Add two limb vectors of the same length > 0 and store sum in a third
    limb vector.
    Copyright (C) 2001-2021 Free Software Foundation, Inc.
-   Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
    This file is part of the GNU MP Library.
 
    The GNU MP Library is free software; you can redistribute it and/or modify
diff --git a/sysdeps/s390/s390-64/crti.S b/sysdeps/s390/s390-64/crti.S
index 3aa441187d..d2a63366c1 100644
--- a/sysdeps/s390/s390-64/crti.S
+++ b/sysdeps/s390/s390-64/crti.S
@@ -1,6 +1,5 @@
 /* Special .init and .fini section support 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/s390/s390-64/crtn.S b/sysdeps/s390/s390-64/crtn.S
index 2271f56981..5e75780549 100644
--- a/sysdeps/s390/s390-64/crtn.S
+++ b/sysdeps/s390/s390-64/crtn.S
@@ -1,6 +1,5 @@
 /* Special .init and .fini section support 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/s390/s390-64/dl-machine.h b/sysdeps/s390/s390-64/dl-machine.h
index 543361c836..aa9d524bac 100644
--- a/sysdeps/s390/s390-64/dl-machine.h
+++ b/sysdeps/s390/s390-64/dl-machine.h
@@ -1,7 +1,6 @@
 /* Machine-dependent ELF dynamic relocation inline functions.
    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/s390/s390-64/s390x-mcount.h b/sysdeps/s390/s390-64/s390x-mcount.h
index 30e7ceffaa..e75504e3b7 100644
--- a/sysdeps/s390/s390-64/s390x-mcount.h
+++ b/sysdeps/s390/s390-64/s390x-mcount.h
@@ -1,6 +1,5 @@
 /* 64 bit S/390-specific implementation of profiling support.
    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/s390/s390-64/setjmp.S b/sysdeps/s390/s390-64/setjmp.S
index bf72a084b0..44471dfa3a 100644
--- a/sysdeps/s390/s390-64/setjmp.S
+++ b/sysdeps/s390/s390-64/setjmp.S
@@ -1,6 +1,5 @@
 /* setjmp for 64 bit S/390, ELF 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/s390/s390-64/start.S b/sysdeps/s390/s390-64/start.S
index 4e6526308a..a9a1e1cead 100644
--- a/sysdeps/s390/s390-64/start.S
+++ b/sysdeps/s390/s390-64/start.S
@@ -1,6 +1,5 @@
 /* Startup code compliant to the 64 bit S/390 ELF ABI.
    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/s390/s390-64/strncpy-z900.S b/sysdeps/s390/s390-64/strncpy-z900.S
index 0e491702c4..56e2ee2eb7 100644
--- a/sysdeps/s390/s390-64/strncpy-z900.S
+++ b/sysdeps/s390/s390-64/strncpy-z900.S
@@ -1,7 +1,6 @@
 /* strncpy - copy at most n characters from a string from source to
    destination.  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/s390/s390-64/sub_n.S b/sysdeps/s390/s390-64/sub_n.S
index 02b113f5e4..a18cfa36f0 100644
--- a/sysdeps/s390/s390-64/sub_n.S
+++ b/sysdeps/s390/s390-64/sub_n.S
@@ -1,7 +1,6 @@
 /* __mpn_sub_n -- Add two limb vectors of the same length > 0 and store
    sum in a third limb vector.  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 MP Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/sysdeps/s390/s390-64/sysdep.h b/sysdeps/s390/s390-64/sysdep.h
index 136f89e8fe..b62d33394f 100644
--- a/sysdeps/s390/s390-64/sysdep.h
+++ b/sysdeps/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/s390/strcmp-z900.S b/sysdeps/s390/strcmp-z900.S
index 61bc8e9aba..cc229e3eb3 100644
--- a/sysdeps/s390/strcmp-z900.S
+++ b/sysdeps/s390/strcmp-z900.S
@@ -1,7 +1,6 @@
 /* strcmp - compare two string.  64 bit S/390 version.
    This file is part of the GNU C Library.
    Copyright (C) 2001-2021 Free Software Foundation, Inc.
-   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/s390/strcpy-z900.S b/sysdeps/s390/strcpy-z900.S
index 13911787c0..476523d222 100644
--- a/sysdeps/s390/strcpy-z900.S
+++ b/sysdeps/s390/strcpy-z900.S
@@ -1,6 +1,5 @@
 /* strcpy - copy a string from source to destination.  64/31 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/s390/utf16-utf32-z9.c b/sysdeps/s390/utf16-utf32-z9.c
index 93895f9db8..e28818479d 100644
--- a/sysdeps/s390/utf16-utf32-z9.c
+++ b/sysdeps/s390/utf16-utf32-z9.c
@@ -4,12 +4,6 @@
    instructions.
    Copyright (C) 1997-2021 Free Software Foundation, Inc.
 
-   Author: Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
-   Based on the work by Ulrich Drepper  <drepper@cygnus.com>, 1997.
-
-   Thanks to Daniel Appich who covered the relevant performance work
-   in his diploma thesis.
-
    This is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
diff --git a/sysdeps/s390/utf8-utf16-z9.c b/sysdeps/s390/utf8-utf16-z9.c
index 1ff16b5bec..d3f6ac7245 100644
--- a/sysdeps/s390/utf8-utf16-z9.c
+++ b/sysdeps/s390/utf8-utf16-z9.c
@@ -4,12 +4,6 @@
    instructions.
    Copyright (C) 1997-2021 Free Software Foundation, Inc.
 
-   Author: Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
-   Based on the work by Ulrich Drepper  <drepper@cygnus.com>, 1997.
-
-   Thanks to Daniel Appich who covered the relevant performance work
-   in his diploma thesis.
-
    This is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
diff --git a/sysdeps/s390/utf8-utf32-z9.c b/sysdeps/s390/utf8-utf32-z9.c
index f1f4d3c89e..c14ba0100d 100644
--- a/sysdeps/s390/utf8-utf32-z9.c
+++ b/sysdeps/s390/utf8-utf32-z9.c
@@ -4,12 +4,6 @@
    instructions.
    Copyright (C) 1997-2021 Free Software Foundation, Inc.
 
-   Author: Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
-   Based on the work by Ulrich Drepper  <drepper@cygnus.com>, 1997.
-
-   Thanks to Daniel Appich who covered the relevant performance work
-   in his diploma thesis.
-
    This is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either