diff --git a/arch/mips/loongson1/common/platform.c b/arch/mips/loongson1/common/platform.c
index 5ca38dc77080..3a42276b8ea6 100644
--- a/arch/mips/loongson1/common/platform.c
+++ b/arch/mips/loongson1/common/platform.c
@@ -71,7 +71,6 @@ static struct resource ls1x_eth0_resources[] = {
 };
 
 static struct stmmac_mdio_bus_data ls1x_mdio_bus_data = {
-	.bus_id		= 0,
 	.phy_mask	= 0,
 };