diff --git a/util.h b/util.h
index 260965dd..037d39a5 100644
--- a/util.h
+++ b/util.h
@@ -1,7 +1,6 @@
-/* SPDX-License-Identifier: GPL-2.0-only */
+/* SPDX-License-Identifier: ISC */
 /*
  * Copyright (C) 2016 Felix Fietkau <nbd@nbd.name>
- * Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com>
  */
 
 #ifndef __MT76_UTIL_H