diff --git a/tools/firmware-utils/src/osbridge-crc.c b/tools/firmware-utils/src/osbridge-crc.c
index 46ea855ec11..e9c577d8ed5 100644
--- a/tools/firmware-utils/src/osbridge-crc.c
+++ b/tools/firmware-utils/src/osbridge-crc.c
@@ -1,10 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  *  Copyright (C) 2009 Gabor Juhos <juhosg@openwrt.org>
- *
- *  This program is free software; you can redistribute it and/or modify it
- *  under the terms of the GNU General Public License version 2 as published
- *  by the Free Software Foundation.
- *
  */
 
 #include <stdio.h>