diff --git a/target/linux/ramips/dts/mt7620n_ravpower_wd03.dts b/target/linux/ramips/dts/mt7620n_ravpower_wd03.dts
index 6d734bb836a..f67f186be1f 100644
--- a/target/linux/ramips/dts/mt7620n_ravpower_wd03.dts
+++ b/target/linux/ramips/dts/mt7620n_ravpower_wd03.dts
@@ -100,7 +100,6 @@
 
 &ethernet {
 	mtd-mac-address = <&factory 0x4000>;
-	ralink,port-map = "wllll";
 };
 
 &wmac {