-/* Get mbstate_t, mbrtowc(), mbsinit(). */
-#if HAVE_WCHAR_H
-/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
- <wchar.h>.
- BSD/OS 4.1 has a bug: <stdio.h> and <time.h> must be included before
- <wchar.h>. */
-# include <stdio.h>
-# include <time.h>
-# include <wchar.h>
-#endif
-
-/* Get wcwidth(). */
-#include "wcwidth.h"
+/* Get mbstate_t, mbrtowc(), mbsinit(), wcwidth(). */
+#include <wchar.h>