diff --git a/libc/include/sys/cdefs.h b/libc/include/sys/cdefs.h
index 13ad4fe..33daa7c 100644
--- a/libc/include/sys/cdefs.h
+++ b/libc/include/sys/cdefs.h
@@ -92,7 +92,6 @@
 #define	___STRING(x)	__STRING(x)
 #define	___CONCAT(x,y)	__CONCAT(x,y)
 
-#if defined(__STDC__) || defined(__cplusplus)
 #define	__P(protos)	protos		/* full-blown ANSI C */
 #define	__CONCAT1(x,y)	x ## y
 #define	__CONCAT(x,y)	__CONCAT1(x,y)
@@ -102,12 +101,7 @@
 #define	__inline	inline		/* convert to C++ keyword */
 #endif /* !__cplusplus */
 
-#else	/* !(__STDC__ || __cplusplus) */
-#define	__P(protos)	()		/* traditional C preprocessor */
-#define	__CONCAT(x,y)	x/**/y
-#define	__STRING(x)	"x"
-
-#endif	/* !(__STDC__ || __cplusplus) */
+#include <android/versioning.h>
 
 #define __always_inline __attribute__((__always_inline__))
 #define __attribute_const__ __attribute__((__const__))