diff --git a/poky/scripts/contrib/graph-tool b/poky/scripts/contrib/graph-tool
index 1df5b8c..6d2e68b 100755
--- a/poky/scripts/contrib/graph-tool
+++ b/poky/scripts/contrib/graph-tool
@@ -7,18 +7,7 @@
 #
 # Copyright 2013 Intel Corporation
 #
-# 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.
-#
-# This program 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.
-#
-# You should have received a copy of the GNU General Public License along
-# with this program; if not, write to the Free Software Foundation, Inc.,
-# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+# SPDX-License-Identifier: GPL-2.0-only
 #
 
 import sys