diff --git a/reactos/include/GL/glu.h b/reactos/include/GL/glu.h
index 4baa04634f7..a1e9d81a092 100644
--- a/reactos/include/GL/glu.h
+++ b/reactos/include/GL/glu.h
@@ -30,9 +30,6 @@
 #ifndef __glu_h__
 #define __glu_h__
 #define _GLU_H
-#if __GNUC__ >= 3
-#pragma GCC system_header
-#endif
 
 #include <stddef.h> /* for wchar_t */
 #include <GL/gl.h>