diff --git a/target/linux/ath79/dts/ar9132.dtsi b/target/linux/ath79/dts/ar9132.dtsi
index 4a030499898..7a7a5f1b3d8 100644
--- a/target/linux/ath79/dts/ar9132.dtsi
+++ b/target/linux/ath79/dts/ar9132.dtsi
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+// SPDX-License-Identifier: GPL-2.0
 #include <dt-bindings/clock/ath79-clk.h>
 
 / {
diff --git a/target/linux/ath79/dts/ar9132_tl_wr1043nd_v1.dts b/target/linux/ath79/dts/ar9132_tl_wr1043nd_v1.dts
index 9589925eb5e..099941258e8 100644
--- a/target/linux/ath79/dts/ar9132_tl_wr1043nd_v1.dts
+++ b/target/linux/ath79/dts/ar9132_tl_wr1043nd_v1.dts
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 #include <dt-bindings/gpio/gpio.h>
diff --git a/target/linux/ath79/dts/ar9331_dpt_module.dts b/target/linux/ath79/dts/ar9331_dpt_module.dts
index b3c1e2cd295..bcd863605b9 100644
--- a/target/linux/ath79/dts/ar9331_dpt_module.dts
+++ b/target/linux/ath79/dts/ar9331_dpt_module.dts
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 #include <dt-bindings/gpio/gpio.h>
diff --git a/target/linux/ath79/dts/ar9331_dragino_ms14.dts b/target/linux/ath79/dts/ar9331_dragino_ms14.dts
index e63dcfaea8c..e7c446aa71e 100644
--- a/target/linux/ath79/dts/ar9331_dragino_ms14.dts
+++ b/target/linux/ath79/dts/ar9331_dragino_ms14.dts
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 #include <dt-bindings/gpio/gpio.h>
diff --git a/target/linux/ath79/dts/ar9331_omega.dts b/target/linux/ath79/dts/ar9331_omega.dts
index 79da4e3ac5c..1225b245fdd 100644
--- a/target/linux/ath79/dts/ar9331_omega.dts
+++ b/target/linux/ath79/dts/ar9331_omega.dts
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 #include <dt-bindings/gpio/gpio.h>
diff --git a/target/linux/ath79/dts/ar9331_tl_mr3020.dts b/target/linux/ath79/dts/ar9331_tl_mr3020.dts
index 929e08252b4..7439768a2b1 100644
--- a/target/linux/ath79/dts/ar9331_tl_mr3020.dts
+++ b/target/linux/ath79/dts/ar9331_tl_mr3020.dts
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+// SPDX-License-Identifier: GPL-2.0
 /dts-v1/;
 
 #include <dt-bindings/gpio/gpio.h>