diff --git a/target/linux/ar71xx/base-files/etc/board.d/02_network b/target/linux/ar71xx/base-files/etc/board.d/02_network
index b88b6bb046..b7d6a3e1b7 100755
--- a/target/linux/ar71xx/base-files/etc/board.d/02_network
+++ b/target/linux/ar71xx/base-files/etc/board.d/02_network
@@ -24,14 +24,12 @@ ubnt-unifi-outdoor)
 
 ap132 |\
 wlr8100)
-	ucidef_set_interfaces_lan_wan "eth0.1" "eth0.2"
 	ucidef_add_switch "switch0" \
 		"0@eth0" "2:lan" "3:lan" "4:lan" "5:lan" "1:wan"
 	;;
 
 esr1750 |\
 epg5000)
-	ucidef_set_interfaces_lan_wan "eth0.1" "eth0.2"
 	ucidef_add_switch "switch0" \
 		"0@eth0" "1:lan:4" "2:lan:3" "3:lan:2" "4:lan:1" "5:wan"
 	;;
@@ -68,13 +66,11 @@ bsb)
 	;;
 
 cpe510)
-	ucidef_set_interfaces_lan_wan "eth0.1" "eth0.2"
 	ucidef_add_switch "switch0" \
 		"0@eth0" "5:lan" "4:wan"
 	;;
 
 airgatewaypro)
-	ucidef_set_interfaces_lan_wan "eth0.1" "eth0.2"
 	ucidef_add_switch "switch0" \
 		"0@eth0" "4:lan" "5:wan"
 	;;
@@ -85,8 +81,6 @@ rb-2011uas |\
 rb-2011uias |\
 rb-2011uas-2hnd|\
 rb-2011uias-2hnd)
-	ucidef_set_interfaces_lan_wan "eth0.1 eth1" "eth0.2"
-
 	case "$board" in
 	rb-2011uas* | rb-2011uias | rb-2011uias-2hnd)
 		ucidef_add_switch "switch0" \
@@ -162,7 +156,6 @@ rb-750gl |\
 rb-751g |\
 rb-951g-2hnd |\
 wzr-hp-g450h)
-	ucidef_set_interfaces_lan_wan "eth0.1" "eth0.2"
 	ucidef_add_switch "switch0" \
 		"0@eth0" "2:lan" "3:lan" "4:lan" "5:lan" "1:wan"
 	;;
@@ -182,7 +175,6 @@ rb-493g)
 wzr-hp-g300nh2 |\
 pb92 |\
 ap113)
-	ucidef_set_interfaces_lan_wan "eth0.1" "eth0.2"
 	ucidef_add_switch "switch0" \
 		"0@eth0" "1:lan:1" "3:lan:2" "4:lan:3" "5:lan:4" "2:wan"
 	;;
@@ -195,19 +187,16 @@ el-m150)
 
 tl-wdr4300|\
 tl-wr1041n-v2)
-	ucidef_set_interfaces_lan_wan "eth0.1" "eth0.2"
 	ucidef_add_switch "switch0" \
 		"0@eth0" "1:lan:4" "2:lan:3" "3:lan:2" "4:lan:1" "5:wan"
 	;;
 
 tl-wr1043nd)
-	ucidef_set_interfaces_lan_wan "eth0.1" "eth0.2"
 	ucidef_add_switch "switch0" \
 		"1:lan" "2:lan" "3:lan" "4:lan" "0:wan" "5@eth0"
 	;;
 
 tl-wr2543n)
-	ucidef_set_interfaces_lan_wan "eth0.1" "eth0.2"
 	ucidef_add_switch "switch0" \
 		"1:lan" "2:lan" "3:lan" "4:lan" "0:wan" "9@eth0"
 	;;
@@ -238,13 +227,11 @@ wnr1000-v2)
 	;;
 
 uap-pro)
-	ucidef_set_interfaces_lan_wan "eth0.1" "eth0.2"
 	ucidef_add_switch "switch0" \
 		"0@eth0" "1:lan" "2:wan"
 	;;
 
 nanostation-m-xw)
-	ucidef_set_interfaces_lan_wan "eth0.1" "eth0.2"
 	ucidef_add_switch "switch0" \
 		"0@eth0" "5:lan" "1:wan"
 	;;
@@ -264,7 +251,6 @@ wzr-hp-g300nh)
 dgl-5500-a1 |\
 dir-825-c1)
 	local mac
-	ucidef_set_interfaces_lan_wan "eth0.1" "eth0.2"
 	ucidef_add_switch "switch0" \
 		"0@eth0" "1:lan" "2:lan" "3:lan" "4:lan" "5:wan"
 	mac=$(mtd_get_mac_ascii nvram "wan_mac")
@@ -273,7 +259,6 @@ dir-825-c1)
 
 mynet-n750)
 	local mac
-	ucidef_set_interfaces_lan_wan "eth0.1" "eth0.2"
 	ucidef_add_switch "switch0" \
 		"0@eth0" "1:lan" "2:lan" "3:lan" "4:lan" "5:wan"
 	mac=$(mtd_get_mac_ascii devdata "wanmac")
@@ -288,7 +273,6 @@ dhp-1565-a1 |\
 dir-835-a1 |\
 wndr3700v4 | \
 wndr4300)
-	ucidef_set_interfaces_lan_wan "eth0.1" "eth0.2"
 	ucidef_add_switch "switch0" \
 		"0@eth0" "1:lan" "2:lan" "3:lan" "4:lan" "5:wan"
 	mac_lan=$(mtd_get_mac_binary caldata 0)
@@ -299,7 +283,6 @@ wndr4300)
 
 esr900)
 	local mac
-	ucidef_set_interfaces_lan_wan "eth0.1" "eth0.2"
 	ucidef_add_switch "switch0" \
 		"0@eth0" "1:lan" "2:lan" "3:lan" "4:lan" "5:wan"
 	mac=$(mtd_get_mac_ascii u-boot-env "wanaddr")
@@ -395,7 +378,6 @@ gl-ar300)
 	;;
 
 wpj344)
-	ucidef_set_interfaces_lan_wan "eth0.1" "eth0.2"
 	ucidef_add_switch "switch0" \
 		"0@eth0" "3:lan" "2:wan"
 	;;
@@ -405,7 +387,6 @@ wpj531)
 	;;
 
 wpj558)
-	ucidef_set_interfaces_lan_wan "eth0.1" "eth0.2"
 	ucidef_add_switch "switch0" \
 		"5:lan" "1:wan" "6@eth0"
 	;;
@@ -449,13 +430,11 @@ wzr-hp-ag300h)
 	;;
 
 wzr-hp-g450h)
-	ucidef_set_interfaces_lan_wan "eth0.1" "eth0.2"
 	ucidef_add_switch "switch0" \
 		"0@eth0" "2:lan:1 3:lan:2 4:lan:3 5:lan:4" "1:wan"
 	;;
 
 ew-dorin)
-	ucidef_set_interfaces_lan_wan "eth0.1" "eth0.2"
 	ucidef_add_switch "switch0" \
 		"0@eth0" "1:lan" "2:lan" "3:wan"
 	;;
diff --git a/target/linux/bcm53xx/base-files/etc/board.d/02_network b/target/linux/bcm53xx/base-files/etc/board.d/02_network
index 5abb0610df..736cdac94a 100755
--- a/target/linux/bcm53xx/base-files/etc/board.d/02_network
+++ b/target/linux/bcm53xx/base-files/etc/board.d/02_network
@@ -28,7 +28,6 @@ netgear,r8000)
 esac
 
 ucidef_set_interface_loopback
-ucidef_set_interfaces_lan_wan "$ifname.1" "$ifname.2"
 
 # Workaround for devices using CPU port 8 (connected to eth2)
 case "$board" in
diff --git a/target/linux/mpc85xx/base-files/etc/board.d/02_network b/target/linux/mpc85xx/base-files/etc/board.d/02_network
index 5aab17c0a2..f99ce4c20e 100755
--- a/target/linux/mpc85xx/base-files/etc/board.d/02_network
+++ b/target/linux/mpc85xx/base-files/etc/board.d/02_network
@@ -14,7 +14,6 @@ board=$(mpc85xx_board_name)
 
 case "$board" in
 tl-wdr4900-v1)
-	ucidef_set_interfaces_lan_wan "eth0.1" "eth0.2"
 	ucidef_add_switch "switch0" \
 		"0@eth0" "2:lan:1" "3:lan:2" "4:lan:3" "5:lan:4" "1:wan"
 	;;
diff --git a/target/linux/ramips/base-files/etc/board.d/02_network b/target/linux/ramips/base-files/etc/board.d/02_network
index 3cfb6bac66..f2c0edb576 100755
--- a/target/linux/ramips/base-files/etc/board.d/02_network
+++ b/target/linux/ramips/base-files/etc/board.d/02_network
@@ -86,12 +86,10 @@ ramips_setup_interfaces()
 	y1|\
 	zbt-wg2626|\
 	youku-yk1)
-		ucidef_set_interfaces_lan_wan "eth0.1" "eth0.2"
 		ucidef_add_switch "switch0" \
 			"0:lan" "1:lan" "2:lan" "3:lan" "4:wan" "6@eth0"
 		;;
 	a5-v11)
-		ucidef_set_interface_lan "eth0.1"
 		ucidef_add_switch "switch0" \
 			"0:lan" "6t@eth0"
 		;;
@@ -99,14 +97,12 @@ ramips_setup_interfaces()
 	ar725w|\
 	rt-n15|\
 	wl-351)
-		ucidef_set_interfaces_lan_wan "eth0.1" "eth0.2"
 		ucidef_add_switch "switch0" \
 			"0:lan" "1:lan" "2:lan" "3:lan" "4:wan" "5@eth0"
 		;;
 	asl26555|\
 	re6500|\
 	rp-n53)
-		ucidef_set_interface_lan "eth0.1"
 		ucidef_add_switch "switch0" \
 			"1:lan" "2:lan" "3:lan" "4:lan" "6t@eth0"
 		;;
@@ -123,12 +119,10 @@ ramips_setup_interfaces()
 	wrtnode|\
 	wt3020|\
 	zbt-wa05)
-		ucidef_set_interfaces_lan_wan "eth0.1" "eth0.2"
 		ucidef_add_switch "switch0" \
 			"1:lan" "2:lan" "3:lan" "4:lan" "0:wan" "6@eth0"
 		;;
 	awapn2403)
-		ucidef_set_interfaces_lan_wan "eth0.1" "eth0.2"
 		ucidef_add_switch "switch0" \
 			"0:lan" "1:wan" "6@eth0"
 		;;
@@ -142,17 +136,14 @@ ramips_setup_interfaces()
 		ucidef_set_interfaces_lan_wan "eth0.1" "eth0.2"
 		;;
 	br-6475nd)
-		ucidef_set_interfaces_lan_wan "eth0.1" "eth0.2"
 		ucidef_add_switch "switch0" \
 			"1:lan" "2:lan" "3:lan" "4:lan" "0:wan" "9@eth0"
 		;;
 	cf-wr800n)
-		ucidef_set_interface_lan "eth0.1"
 		ucidef_add_switch "switch0" \
 			"4:lan" "6t@eth0"
 		;;
 	cy-swr1100)
-		ucidef_set_interfaces_lan_wan "eth0.1" "eth0.2"
 		ucidef_add_switch "switch0" \
 			"0:lan" "1:lan" "2:lan" "3:lan" "4:wan" "9@eth0"
 		;;
@@ -164,13 +155,11 @@ ramips_setup_interfaces()
 		;;
 	e1700|\
 	mt7620a_mt7530)
-		ucidef_set_interfaces_lan_wan "eth0.1" "eth0.2"
 		ucidef_add_switch "switch1" \
 			"0:lan" "1:lan" "2:lan" "3:lan" "4:wan" "6@eth0"
 		;;
 	hc5*61|\
 	y1s)
-		ucidef_set_interfaces_lan_wan "eth0.1" "eth0.2"
 		ucidef_add_switch "switch0" \
 			"1:lan" "2:lan" "3:lan" "4:lan" "5:lan" "0:wan" "6@eth0"
 		;;
@@ -187,44 +176,36 @@ ramips_setup_interfaces()
 		;;
 	mzk-dp150n|\
 	vocore)
-		ucidef_set_interface_lan "eth0.1"
 		ucidef_add_switch "switch0" \
 			"0:lan" "4:lan" "6t@eth0"
 		;;
 	rt-n56u)
-		ucidef_set_interfaces_lan_wan "eth0.1" "eth0.2"
 		ucidef_add_switch "switch0" \
 			"0:lan" "1:lan" "2:lan" "3:lan" "4:wan" "8@eth0"
 		;;
 	tew-691gr|\
 	tew-692gr)
-		ucidef_set_interfaces_lan_wan "eth0.1" "eth0.2"
 		ucidef_add_switch "switch0" \
 			"1:lan" "2:lan" "3:lan" "4:lan" "5:wan" "0@eth0"
 		;;
 	v11st-fe|\
 	wzr-agl300nh)
-		ucidef_set_interfaces_lan_wan "eth0.1" "eth0.2"
 		ucidef_add_switch "switch0" \
 			"1:lan" "2:lan" "3:lan" "4:lan" "0:wan" "5@eth0"
 		;;
 	wcr-150gn)
-		ucidef_set_interfaces_lan_wan "eth0.1" "eth0.2"
 		ucidef_add_switch "switch0" \
 			"0:lan" "6t@eth0"
 		;;
 	whr-1166d)
-		ucidef_set_interfaces_lan_wan "eth0.1" "eth0.2"
 		ucidef_add_switch "switch0" \
 			"0:lan" "1:lan" "2:lan" "3:lan" "5:wan" "6@eth0"
 		;;
 	wizfi630a)
-		ucidef_set_interfaces_lan_wan "eth0.1" "eth0.2"
 		ucidef_add_switch "switch0" \
 			"1:lan" "2:lan" "0:wan" "6@eth0"
 		;;
 	zbt-wr8305rt)
-		ucidef_set_interfaces_lan_wan "eth0.1" "eth0.2"
 		ucidef_add_switch "switch0" \
 			"0:lan" "1:lan" "2:lan" "3:lan" "4:wan" "6@eth0"
 		;;