diff --git a/lib/libc/gen/fmtcheck.c b/lib/libc/gen/fmtcheck.c
index 7cc8cfffa7ec..0ed25477a2f9 100644
--- a/lib/libc/gen/fmtcheck.c
+++ b/lib/libc/gen/fmtcheck.c
@@ -44,7 +44,6 @@ static const char rcsid[] =
 
 #include "namespace.h"
 
-#include <stdlib.h>
 #include <stdio.h>
 #include <string.h>
 #include <ctype.h>