diff --git a/tools/perf/python/twatch.py b/tools/perf/python/twatch.py
index 0a29c5c3079f..ff87ccf5b708 100755
--- a/tools/perf/python/twatch.py
+++ b/tools/perf/python/twatch.py
@@ -1,17 +1,10 @@
 #! /usr/bin/python
+# SPDX-License-Identifier: GPL-2.0-only
 # -*- python -*-
 # -*- coding: utf-8 -*-
 #   twatch - Experimental use of the perf python interface
 #   Copyright (C) 2011 Arnaldo Carvalho de Melo <acme@redhat.com>
 #
-#   This application is free software; you can redistribute it and/or
-#   modify it under the terms of the GNU General Public License
-#   as published by the Free Software Foundation; version 2.
-#
-#   This application is distributed in the hope that it will be useful,
-#   but WITHOUT ANY WARRANTY; without even the implied warranty of
-#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-#   General Public License for more details.
 
 import perf