diff --git a/gcc/ginclude/stddef.h b/gcc/ginclude/stddef.h
index 82adb942553..185ae38fc4d 100644
--- a/gcc/ginclude/stddef.h
+++ b/gcc/ginclude/stddef.h
@@ -172,12 +172,6 @@ typedef __SIZE_TYPE__ size_t;
 #ifndef __WCHAR_TYPE__
 #define __WCHAR_TYPE__ int
 #endif
-#ifdef __GNUG__
-/* In C++, wchar_t is a distinct basic type,
-   and we can expect __wchar_t to be defined by cc1plus.  */
-typedef __wchar_t wchar_t;
-#else
-/* In C, cpp tells us which type to make an alias for.  */
 typedef __WCHAR_TYPE__ wchar_t;
 #endif
 #endif
@@ -188,7 +182,6 @@ typedef __WCHAR_TYPE__ wchar_t;
 #endif
 #endif
 #endif
-#endif
 #undef	__need_wchar_t
 #endif /* _STDDEF_H or __need_wchar_t.  */