diff --git a/target/linux/ramips/dts/mt7620a_aigale_ai-br100.dts b/target/linux/ramips/dts/mt7620a_aigale_ai-br100.dts
index 24a43f7ad295c..a65654e78b603 100644
--- a/target/linux/ramips/dts/mt7620a_aigale_ai-br100.dts
+++ b/target/linux/ramips/dts/mt7620a_aigale_ai-br100.dts
@@ -54,7 +54,7 @@
 
 	flash@0 {
 		compatible = "jedec,spi-nor";
-		reg = <0 0>;
+		reg = <0>;
 		spi-max-frequency = <10000000>;
 
 		partitions {
diff --git a/target/linux/ramips/dts/mt7620a_edimax_br-6478ac-v2.dts b/target/linux/ramips/dts/mt7620a_edimax_br-6478ac-v2.dts
index 96cfce272de54..1c9ffc8dfc420 100644
--- a/target/linux/ramips/dts/mt7620a_edimax_br-6478ac-v2.dts
+++ b/target/linux/ramips/dts/mt7620a_edimax_br-6478ac-v2.dts
@@ -89,7 +89,7 @@
 
 	flash@0 {
 		compatible = "jedec,spi-nor";
-		reg = <0 0>;
+		reg = <0>;
 		spi-max-frequency = <10000000>;
 
 		partitions {
diff --git a/target/linux/ramips/dts/mt7621_mediatek_ap-mt7621a-v60.dts b/target/linux/ramips/dts/mt7621_mediatek_ap-mt7621a-v60.dts
index 3ca08be4b0bfa..b202342343e34 100644
--- a/target/linux/ramips/dts/mt7621_mediatek_ap-mt7621a-v60.dts
+++ b/target/linux/ramips/dts/mt7621_mediatek_ap-mt7621a-v60.dts
@@ -79,7 +79,7 @@
 
 	flash@0 {
 		compatible = "mx25l6405d","jedec,spi-nor";
-		reg = <0 0>;
+		reg = <0>;
 		spi-max-frequency = <10000000>;
 
 		partitions {
diff --git a/target/linux/ramips/dts/mt7628an_mercury_mac1200r-v2.dts b/target/linux/ramips/dts/mt7628an_mercury_mac1200r-v2.dts
index e31369009a608..4a05264d7f2bf 100644
--- a/target/linux/ramips/dts/mt7628an_mercury_mac1200r-v2.dts
+++ b/target/linux/ramips/dts/mt7628an_mercury_mac1200r-v2.dts
@@ -35,7 +35,7 @@
 
 	flash@0 {
 		compatible = "jedec,spi-nor";
-		reg = <0 0>;
+		reg = <0>;
 		spi-max-frequency = <10000000>;
 
 		partitions {
diff --git a/target/linux/ramips/dts/rt3352_zyxel_nbg-419n-v2.dts b/target/linux/ramips/dts/rt3352_zyxel_nbg-419n-v2.dts
index 95044fca9fe67..3738bbca9f5dd 100644
--- a/target/linux/ramips/dts/rt3352_zyxel_nbg-419n-v2.dts
+++ b/target/linux/ramips/dts/rt3352_zyxel_nbg-419n-v2.dts
@@ -64,7 +64,7 @@
 
 	flash@0 {
 		compatible = "jedec,spi-nor";
-		reg = <0 0>;
+		reg = <0>;
 		spi-max-frequency = <10000000>;
 
 		partitions {