diff --git a/src/config/mkvers.c b/src/config/mkvers.c
index 949be9d355..00c880b9e2 100644
--- a/src/config/mkvers.c
+++ b/src/config/mkvers.c
@@ -13,12 +13,10 @@
  */
 
 #include <stdio.h>
+#include <stdlib.h>
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <errno.h>
-#ifndef __APPLE_CC__
-#include <malloc.h>
-#endif
 #include <assert.h>
 #include <string.h>