3 files changed, 3 insertions, 3 deletions
diff --git a/libc/sysdeps/linux/x86_64/brk.c b/libc/sysdeps/linux/x86_64/brk.c
index eddfd9830..fc906abc1 100644
--- a/libc/sysdeps/linux/x86_64/brk.c
+++ b/libc/sysdeps/linux/x86_64/brk.c
@@ -24,7 +24,7 @@
 /* This must be initialized data because commons can't have aliases.  */
 void *__curbrk attribute_hidden = 0;
 
-libc_hidden_proto(brk)
+/* libc_hidden_proto(brk) */
 int brk (void *addr)
 {
 	void *__unbounded newbrk;
diff --git a/libc/sysdeps/linux/x86_64/mmap.c b/libc/sysdeps/linux/x86_64/mmap.c
index faaaab9bd..9c5077acb 100644
--- a/libc/sysdeps/linux/x86_64/mmap.c
+++ b/libc/sysdeps/linux/x86_64/mmap.c
@@ -13,7 +13,7 @@
 #include <sys/mman.h>
 #include <sys/syscall.h>
 
-libc_hidden_proto(mmap)
+/* libc_hidden_proto(mmap) */
 
 _syscall6(void *, mmap, void *, start, size_t, length, int, prot,
           int, flags, int, fd, off_t, offset)
diff --git a/libc/sysdeps/linux/x86_64/sigaction.c b/libc/sysdeps/linux/x86_64/sigaction.c
index aa5c0d472..3d9e4ea29 100644
--- a/libc/sysdeps/linux/x86_64/sigaction.c
+++ b/libc/sysdeps/linux/x86_64/sigaction.c
@@ -120,7 +120,7 @@ __libc_sigaction (int sig, const struct sigaction *act, struct sigaction *oact)
 #endif
 
 #ifndef LIBC_SIGACTION
-libc_hidden_proto(sigaction)
+/* libc_hidden_proto(sigaction) */
 weak_alias(__libc_sigaction,sigaction)
 libc_hidden_weak(sigaction)
 #endif