diff --git a/unexpand.c b/unexpand.c
index f24e2ad..26573f4 100644
--- a/unexpand.c
+++ b/unexpand.c
@@ -2,7 +2,6 @@
 #include <stdint.h>
 #include <stdio.h>
 #include <stdlib.h>
-#include <wchar.h>
 
 #include "utf.h"
 #include "util.h"