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-rw-r--r--sysvipc/sys/ipc.h4
1 files changed, 0 insertions, 4 deletions
diff --git a/sysvipc/sys/ipc.h b/sysvipc/sys/ipc.h
index 70bd7a6968..0392662340 100644
--- a/sysvipc/sys/ipc.h
+++ b/sysvipc/sys/ipc.h
@@ -20,10 +20,6 @@
 
 #include <features.h>
 
-#if !defined __USE_MISC && !defined __USE_XOPEN && __GNUC__ >= 2
-# warning "Files using this header must be compiled with _GNU_SOURCE or _XOPEN_SOURCE"
-#endif
-
 /* Get system dependent definition of `struct ipc_perm' and more.  */
 #include <bits/ipctypes.h>
 #include <bits/ipc.h>