diff --git a/extmod/modussl.c b/extmod/modussl.c
index 97dd391eec64..5e18faa57978 100644
--- a/extmod/modussl.c
+++ b/extmod/modussl.c
@@ -26,7 +26,6 @@
 
 #include <stdio.h>
 #include <string.h>
-#include <sys/types.h>
 
 #include "py/nlr.h"
 #include "py/runtime.h"