diff --git a/arch/arm/dts/ast2600-msx4-bmc-nvidia.dts b/arch/arm/dts/ast2600-msx4-bmc-nvidia.dts
index 9b64f7e734..9df5e74c98 100644
--- a/arch/arm/dts/ast2600-msx4-bmc-nvidia.dts
+++ b/arch/arm/dts/ast2600-msx4-bmc-nvidia.dts
@@ -62,7 +62,7 @@
 
 &mac0 {
 	status = "okay";
-	phy-mode = "rgmii";
+	phy-mode = "rgmii-id";
 	phy-handle = <&ethphy3>;
 
 	pinctrl-names = "default";
@@ -82,12 +82,6 @@
 	};
 };
 
-&scu {
-	mac0-clk-delay = <0x1d 0x0a
-			  0x1d 0x0a
-			  0x1d 0x0a>;
-};
-
 &sdrammc {
 	clock-frequency = <400000000>;
 	aspeed,ecc-enabled;