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-rw-r--r--sysdeps/mach/libc-lock.h3
1 files changed, 0 insertions, 3 deletions
diff --git a/sysdeps/mach/libc-lock.h b/sysdeps/mach/libc-lock.h
index d713f34b5f..220fcee921 100644
--- a/sysdeps/mach/libc-lock.h
+++ b/sysdeps/mach/libc-lock.h
@@ -24,9 +24,6 @@
 #include <tls.h>
 #include <lowlevellock.h>
 
-/* The locking here is very inexpensive, even for inlining.  */
-#define _IO_lock_inexpensive   1
-
 typedef unsigned int __libc_lock_t;
 typedef struct
 {