diff --git a/target/linux/ar71xx/files/arch/mips/ar71xx/mach-ubnt.c b/target/linux/ar71xx/files/arch/mips/ar71xx/mach-ubnt.c
index bc682cbf9d4601229c7c8752c46a798b8182d09b..56af69dcc2cbe525268834f3d41f7a53ae93c4bf 100644
--- a/target/linux/ar71xx/files/arch/mips/ar71xx/mach-ubnt.c
+++ b/target/linux/ar71xx/files/arch/mips/ar71xx/mach-ubnt.c
@@ -236,7 +236,6 @@ MIPS_MACHINE(AR71XX_MACH_UBNT_LSSR71, "UBNT-LS-SR71", "Ubiquiti LS-SR71",
 	     ubnt_lssr71_setup);
 
 #define UBNT_M_WAN_PHYMASK	BIT(4)
-#define UBNT_M_LAN_PHYMASK	BIT(0)
 
 static void __init ubnt_m_setup(void)
 {
@@ -246,7 +245,7 @@ static void __init ubnt_m_setup(void)
 
 	ar71xx_add_device_m25p80(NULL);
 
-	ar71xx_add_device_mdio(~(UBNT_M_WAN_PHYMASK | UBNT_M_LAN_PHYMASK));
+	ar71xx_add_device_mdio(~UBNT_M_WAN_PHYMASK);
 
 	ar71xx_init_mac(ar71xx_eth0_data.mac_addr, mac1, 0);
 	ar71xx_init_mac(ar71xx_eth1_data.mac_addr, mac2, 0);