diff --git a/poky/bitbake/lib/layerindexlib/plugin.py b/poky/bitbake/lib/layerindexlib/plugin.py
index 92a2e97..7015a1a 100644
--- a/poky/bitbake/lib/layerindexlib/plugin.py
+++ b/poky/bitbake/lib/layerindexlib/plugin.py
@@ -1,18 +1,7 @@
 # Copyright (C) 2016-2018 Wind River Systems, Inc.
 #
-# 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.
+# SPDX-License-Identifier: GPL-2.0-only
 #
-# 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-
 # The file contains:
 #   LayerIndex exceptions
 #   Plugin base class