diff --git a/target/linux/sunxi/base-files/etc/board.d/02_network b/target/linux/sunxi/base-files/etc/board.d/02_network
index f4e013e119..19fdd5d060 100755
--- a/target/linux/sunxi/base-files/etc/board.d/02_network
+++ b/target/linux/sunxi/base-files/etc/board.d/02_network
@@ -31,13 +31,6 @@ sunxi_setup_interfaces()
 	esac
 }
 
-nanopi_generate_mac()
-{
-	local sd_hash=$(sha256sum /sys/class/block/mmcblk0/device/cid)
-	local mac_base=$(macaddr_canonicalize "$(echo "${sd_hash}" | dd bs=1 count=12 2>/dev/null)")
-	echo "$(macaddr_unsetbit_mc "$(macaddr_setbit_la "${mac_base}")")"
-}
-
 sunxi_setup_macs()
 {
 	local board="$1"
@@ -47,8 +40,7 @@ sunxi_setup_macs()
 
 	case "$board" in
 	friendlyarm,nanopi-r1s-h5)
-		wan_mac=$(get_mac_binary "/sys/bus/i2c/devices/0-0051/eeprom" 0xfa)
-		lan_mac=$(macaddr_setbit_la "$wan_mac")
+		lan_mac=$(get_mac_binary "/sys/bus/i2c/devices/0-0051/eeprom" 0xfa)
 		;;
 	esac