diff --git a/extmod/moductypes.c b/extmod/moductypes.c
index 3fffd98e4f..7480224f22 100644
--- a/extmod/moductypes.c
+++ b/extmod/moductypes.c
@@ -1,4 +1,3 @@
-#include <stdio.h>
 /*
  * This file is part of the Micro Python project, http://micropython.org/
  *