diff --git a/lib/libuutil/uu_string.c b/lib/libuutil/uu_string.c
index 66afba05e8..67024c3b50 100644
--- a/lib/libuutil/uu_string.c
+++ b/lib/libuutil/uu_string.c
@@ -29,8 +29,6 @@
 
 #include <string.h>
 #include <sys/types.h>
-#include <stdio.h>
-#include <malloc.h>
 #include <ctype.h>
 #include "libuutil.h"