diff --git a/arch/arc/kernel/unwind.c b/arch/arc/kernel/unwind.c
index 271e9fa..182ce67 100644
--- a/arch/arc/kernel/unwind.c
+++ b/arch/arc/kernel/unwind.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Copyright (C) 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
  * Copyright (C) 2002-2006 Novell, Inc.
  *	Jan Beulich <jbeulich@novell.com>
  *
- * 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.
- *
  * A simple API for unwinding kernel stacks.  This is used for
  * debugging and error reporting purposes.  The kernel doesn't need
  * full-blown stack unwinding with all the bells and whistles, so there