--- scribus/md5.c
+++ scribus/md5.c
@@ -26,14 +26,8 @@
 
 #include <sys/types.h>
 
-#if STDC_HEADERS || defined _LIBC
-# include <stdlib.h>
-# include <string.h>
-#else
-# ifndef HAVE_MEMCPY
-#  define memcpy(d, s, n) bcopy ((s), (d), (n))
-# endif
-#endif
+#include <stdlib.h>
+#include <string.h>
 
 #include "md5.h"
 
--- scribus/pixbuf/gdk-pixbuf-xlibrgb.c
+++ scribus/pixbuf/gdk-pixbuf-xlibrgb.c
@@ -49,16 +49,12 @@
 
 #include <math.h>
 
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
 #if HAVE_CONFIG_H
 #  include "scconfig.h"
-#  if STDC_HEADERS
-#    include <stdio.h>
-#    include <stdlib.h>
-#    include <string.h>
-#  endif
-#else
-#  include <stdio.h>
-#  include <stdlib.h>
 #endif
 
 #define ENABLE_GRAYSCALE