diff --git a/target/linux/ramips/dts/mt7621.dtsi b/target/linux/ramips/dts/mt7621.dtsi
index 6ad230bac7..cac5bfb558 100644
--- a/target/linux/ramips/dts/mt7621.dtsi
+++ b/target/linux/ramips/dts/mt7621.dtsi
@@ -507,8 +507,6 @@
 
 			switch0: switch@1f {
 				compatible = "mediatek,mt7621";
-				#address-cells = <1>;
-				#size-cells = <0>;
 				reg = <0x1f>;
 				mediatek,mcm;
 				resets = <&rstctrl 2>;
@@ -517,7 +515,6 @@
 				ports {
 					#address-cells = <1>;
 					#size-cells = <0>;
-					reg = <0>;
 
 					port@0 {
 						status = "disabled";