diff --git a/util.h b/util.h
index 24aee309..76f10d5f 100644
--- a/util.h
+++ b/util.h
@@ -46,12 +46,10 @@
 #include <stdio.h>
 #include <stdarg.h>
 
-#ifdef STDC_HEADERS
-# include <stddef.h>
-# include <stdlib.h>
-# include <string.h>
-# include <assert.h>
-#endif
+#include <stddef.h>
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
 
 #include <libyasm/coretype.h>