diff --git a/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7981-cetron-ct3003.dts b/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7981-cetron-ct3003.dts
index e3b3690d0a..9db2a55228 100644
--- a/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7981-cetron-ct3003.dts
+++ b/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7981-cetron-ct3003.dts
@@ -127,18 +127,6 @@
 		};
 	};
 
-	gmac1: mac@1 {
-		compatible = "mediatek,eth-mac";
-		reg = <1>;
-		phy-mode = "2500base-x";
-
-		fixed-link {
-			speed = <2500>;
-			full-duplex;
-			pause;
-		};
-	};
-
 	mdio: mdio-bus {
 		#address-cells = <1>;
 		#size-cells = <0>;
diff --git a/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7981-jcg-q30.dts b/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7981-jcg-q30.dts
index f2ff360fb0..a7472e2366 100644
--- a/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7981-jcg-q30.dts
+++ b/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7981-jcg-q30.dts
@@ -122,18 +122,6 @@
 		};
 	};
 
-	gmac1: mac@1 {
-		compatible = "mediatek,eth-mac";
-		reg = <1>;
-		phy-mode = "2500base-x";
-
-		fixed-link {
-			speed = <2500>;
-			full-duplex;
-			pause;
-		};
-	};
-
 	mdio: mdio-bus {
 		#address-cells = <1>;
 		#size-cells = <0>;