diff --git a/include/time.h b/include/time.h
index f2a6489efd..d71f985014 100644
--- a/include/time.h
+++ b/include/time.h
@@ -81,9 +81,10 @@ extern long int __tzname_max (void);
 
 extern int __nanosleep (__const struct timespec *__requested_time,
 			struct timespec *__remaining);
+libc_hidden_proto (__nanosleep)
 extern int __nanosleep_nocancel (__const struct timespec *__requested_time,
-				 struct timespec *__remaining);
-libc_hidden_proto(__nanosleep)
+				 struct timespec *__remaining)
+  attribute_hidden;
 extern int __getdate_r (__const char *__string, struct tm *__resbufp);
 
 
diff --git a/include/unistd.h b/include/unistd.h
index fb7a044b57..f34d53f223 100644
--- a/include/unistd.h
+++ b/include/unistd.h
@@ -163,6 +163,6 @@ extern __pid_t __libc_fork (void);
    This always returns -1 and sets `errno' to EINTR.  */
 extern int __libc_pause (void);
 /* Not cancelable variant.  */
-extern int __pause_nocancel (void);
+extern int __pause_nocancel (void) attribute_hidden;
 
 #endif