diff --git a/target/linux/ramips/dts/mt7621_h3c_tx180x.dtsi b/target/linux/ramips/dts/mt7621_h3c_tx180x.dtsi
index 1db4b43811..a02d16ba6e 100644
--- a/target/linux/ramips/dts/mt7621_h3c_tx180x.dtsi
+++ b/target/linux/ramips/dts/mt7621_h3c_tx180x.dtsi
@@ -117,7 +117,6 @@
 		compatible = "mediatek,mt76";
 		reg = <0x0000 0 0 0 0>;
 		mediatek,mtd-eeprom = <&factory 0x0>;
-		mediatek,disable-radar-background;
 	};
 };
 
diff --git a/target/linux/ramips/dts/mt7621_jcg_q20.dts b/target/linux/ramips/dts/mt7621_jcg_q20.dts
index e25adf5ee1..f0e829393c 100644
--- a/target/linux/ramips/dts/mt7621_jcg_q20.dts
+++ b/target/linux/ramips/dts/mt7621_jcg_q20.dts
@@ -140,7 +140,6 @@
 		compatible = "mediatek,mt76";
 		reg = <0x0000 0 0 0 0>;
 		mediatek,mtd-eeprom = <&factory 0x0>;
-		mediatek,disable-radar-background;
 	};
 };
 
diff --git a/target/linux/ramips/dts/mt7621_totolink_x5000r.dts b/target/linux/ramips/dts/mt7621_totolink_x5000r.dts
index 78ab2bc6ce..b05d83978d 100644
--- a/target/linux/ramips/dts/mt7621_totolink_x5000r.dts
+++ b/target/linux/ramips/dts/mt7621_totolink_x5000r.dts
@@ -94,7 +94,6 @@
 		compatible = "mediatek,mt76";
 		reg = <0x0000 0 0 0 0>;
 		mediatek,mtd-eeprom = <&factory 0x0000>;
-		mediatek,disable-radar-background;
 	};
 };
 
diff --git a/target/linux/ramips/dts/mt7621_xiaomi_mi-router-cr660x.dtsi b/target/linux/ramips/dts/mt7621_xiaomi_mi-router-cr660x.dtsi
index 6ad286b61f..dfdbcc77d4 100644
--- a/target/linux/ramips/dts/mt7621_xiaomi_mi-router-cr660x.dtsi
+++ b/target/linux/ramips/dts/mt7621_xiaomi_mi-router-cr660x.dtsi
@@ -136,7 +136,6 @@
 		compatible = "mediatek,mt76";
 		reg = <0x0000 0 0 0 0>;
 		mediatek,mtd-eeprom = <&factory 0x0>;
-		mediatek,disable-radar-background;
 	};
 };
 
diff --git a/target/linux/ramips/dts/mt7621_yuncore_ax820.dts b/target/linux/ramips/dts/mt7621_yuncore_ax820.dts
index 7217e0307a..9775ec3572 100644
--- a/target/linux/ramips/dts/mt7621_yuncore_ax820.dts
+++ b/target/linux/ramips/dts/mt7621_yuncore_ax820.dts
@@ -102,7 +102,6 @@
 		compatible = "mediatek,mt76";
 		reg = <0x0000 0 0 0 0>;
 		mediatek,mtd-eeprom = <&factory 0x0>;
-		mediatek,disable-radar-background;
 	};
 };