diff --git a/arch/arm/boot/dts/omap3-n900.dts b/arch/arm/boot/dts/omap3-n900.dts
index 826920e6b8787ee10e06753795d7224f84e84158..84a5ade1e865bb85dba7d6fa93e0b291e8ea7d36 100644
--- a/arch/arm/boot/dts/omap3-n900.dts
+++ b/arch/arm/boot/dts/omap3-n900.dts
@@ -1,10 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright (C) 2013 Pavel Machek <pavel@ucw.cz>
  * Copyright (C) 2013-2014 Aaro Koskinen <aaro.koskinen@iki.fi>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 (or later) as
- * published by the Free Software Foundation.
  */
 
 /dts-v1/;
diff --git a/arch/mips/jz4740/board-qi_lb60.c b/arch/mips/jz4740/board-qi_lb60.c
index 6718efb400f43145974a0a545eeb486d8a58d25b..071e9d94eea786683b3723ce3a0dd4ba62cd66e5 100644
--- a/arch/mips/jz4740/board-qi_lb60.c
+++ b/arch/mips/jz4740/board-qi_lb60.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * linux/arch/mips/jz4740/board-qi_lb60.c
  *
@@ -6,10 +7,6 @@
  * Copyright (c) 2009 Qi Hardware inc.,
  * Author: Xiangfu Liu <xiangfu@qi-hardware.com>
  * Copyright 2010, Lars-Peter Clausen <lars@metafoo.de>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 or later
- * as published by the Free Software Foundation.
  */
 
 #include <linux/kernel.h>
diff --git a/drivers/hwmon/aspeed-pwm-tacho.c b/drivers/hwmon/aspeed-pwm-tacho.c
index 0daf0b32aa4acdccdc58d152ece54dd37925ae21..40c489be62eaabe3d8ec040a1705d5f527239864 100644
--- a/drivers/hwmon/aspeed-pwm-tacho.c
+++ b/drivers/hwmon/aspeed-pwm-tacho.c
@@ -1,9 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright (c) 2016 Google, 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 or later as
- * published by the Free Software Foundation.
  */
 
 #include <linux/clk.h>
diff --git a/net/ipv4/netfilter/nf_dup_ipv4.c b/net/ipv4/netfilter/nf_dup_ipv4.c
index 39895b9ddeb9601307f073298ab690ae1f9972d4..af3fbf76dbd3b1cb1c2d1df8f40009ad6ccea733 100644
--- a/net/ipv4/netfilter/nf_dup_ipv4.c
+++ b/net/ipv4/netfilter/nf_dup_ipv4.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * (C) 2007 by Sebastian Claßen <sebastian.classen@freenet.ag>
  * (C) 2007-2010 by Jan Engelhardt <jengelh@medozas.de>
  *
  * Extracted from xt_TEE.c
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 or later, as
- * published by the Free Software Foundation.
  */
 #include <linux/ip.h>
 #include <linux/module.h>
diff --git a/net/ipv6/netfilter/nf_dup_ipv6.c b/net/ipv6/netfilter/nf_dup_ipv6.c
index 4a7ddeddbaabf1866a65cfda5d27e8e9c1e75b57..e6c9da9866b1bb527363dbeaba2e378a139f2ae1 100644
--- a/net/ipv6/netfilter/nf_dup_ipv6.c
+++ b/net/ipv6/netfilter/nf_dup_ipv6.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * (C) 2007 by Sebastian Claßen <sebastian.classen@freenet.ag>
  * (C) 2007-2010 by Jan Engelhardt <jengelh@medozas.de>
  *
  * Extracted from xt_TEE.c
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 or later, as
- * published by the Free Software Foundation.
  */
 #include <linux/module.h>
 #include <linux/percpu.h>
diff --git a/net/netfilter/xt_TEE.c b/net/netfilter/xt_TEE.c
index 1dae02a97ee3ba47902bc7ea66a08867781040ce..a5ebd564045721bc8ae91243766f1603c41041a9 100644
--- a/net/netfilter/xt_TEE.c
+++ b/net/netfilter/xt_TEE.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *	"TEE" target extension for Xtables
  *	Copyright © Sebastian Claßen, 2007
@@ -5,10 +6,6 @@
  *
  *	based on ipt_ROUTE.c from Cédric de Launois
  *	<delaunois@info.ucl.be>
- *
- *	This program is free software; you can redistribute it and/or
- *	modify it under the terms of the GNU General Public License
- *	version 2 or later, as published by the Free Software Foundation.
  */
 #include <linux/module.h>
 #include <linux/skbuff.h>
diff --git a/sound/soc/atmel/atmel-classd.c b/sound/soc/atmel/atmel-classd.c
index 3d70061901a0795018ce4bc8dcf9a85dae7e0c2b..94de94b55105c7a4b2f47eb2557de5b94d9a7ec1 100644
--- a/sound/soc/atmel/atmel-classd.c
+++ b/sound/soc/atmel/atmel-classd.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /* Atmel ALSA SoC Audio Class D Amplifier (CLASSD) driver
  *
  * Copyright (C) 2015 Atmel
  *
  * Author: Songjun Wu <songjun.wu@atmel.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 or later
- * as published by the Free Software Foundation.
  */
 
 #include <linux/of.h>
diff --git a/sound/soc/atmel/atmel-pdmic.c b/sound/soc/atmel/atmel-pdmic.c
index 915c2b064de1fcfca0fab6a8acabe648848422bc..c61fa4a5ebc063e47d2558e9839ff124c10b9033 100644
--- a/sound/soc/atmel/atmel-pdmic.c
+++ b/sound/soc/atmel/atmel-pdmic.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /* Atmel PDMIC driver
  *
  * Copyright (C) 2015 Atmel
  *
  * Author: Songjun Wu <songjun.wu@atmel.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 or later
- * as published by the Free Software Foundation.
  */
 
 #include <linux/of.h>