diff --git a/watch.c b/watch.c
index e83af95..43d24d6 100644
--- a/watch.c
+++ b/watch.c
@@ -1,5 +1,4 @@
 /* See LICENSE file for copyright and license details. */
-#include <sys/ioctl.h>
 #include <unistd.h>
 #include <stdio.h>
 #include <stdlib.h>