diff --git a/btio/btio.c b/btio/btio.c
index 844d600..c18b6a0 100644
--- a/btio/btio.c
+++ b/btio/btio.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -6,20 +7,6 @@
  *  Copyright (C) 2009-2010  Nokia Corporation
  *
  *
- *  This program 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; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  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 St, Fifth Floor, Boston, MA  02110-1301  USA
- *
  */
 
 #ifdef HAVE_CONFIG_H
diff --git a/btio/btio.h b/btio/btio.h
index 23e0ef7..f0259cf 100644
--- a/btio/btio.h
+++ b/btio/btio.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -6,20 +7,6 @@
  *  Copyright (C) 2009-2010  Nokia Corporation
  *
  *
- *  This program 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; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  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 St, Fifth Floor, Boston, MA  02110-1301  USA
- *
  */
 #ifndef BT_IO_H
 #define BT_IO_H