diff --git a/6.6/target/linux/mediatek/dts/mt7981b-zbt-z8109ax.dtsi b/6.6/target/linux/mediatek/dts/mt7981b-zbt-z8109ax.dtsi
index ff9155ef..0b096145 100644
--- a/6.6/target/linux/mediatek/dts/mt7981b-zbt-z8109ax.dtsi
+++ b/6.6/target/linux/mediatek/dts/mt7981b-zbt-z8109ax.dtsi
@@ -277,7 +277,7 @@
 			nvmem-cell-names = "mac-address";
 			nvmem-cells = <&macaddr_factory_004>;
 		};
-
+/*
 		port@3 {
 			reg = <3>;
 			label = "lan4";
@@ -291,7 +291,7 @@
 			nvmem-cell-names = "mac-address";
 			nvmem-cells = <&macaddr_factory_004>;
 		};
-
+*/
 		port@6 {
 			reg = <6>;
 			label = "cpu";