diff --git a/root/target/linux/ipq40xx/base-files/etc/board.d/02_network b/root/target/linux/ipq40xx/base-files/etc/board.d/02_network
index 0752f8be..e31e88a1 100755
--- a/root/target/linux/ipq40xx/base-files/etc/board.d/02_network
+++ b/root/target/linux/ipq40xx/base-files/etc/board.d/02_network
@@ -164,10 +164,6 @@ ipq40xx_setup_macs()
 		lan_mac=$(mtd_get_mac_ascii 0:APPSBLENV ethaddr)
 		label_mac=$wan_mac
 		;;
-    zbt,z4019)
-		wan_mac=$(mtd_get_mac_binary "0:ART" 0x0)
-		lan_mac=$(mtd_get_mac_binary "0:ART" 0x6)
-		;;
 	engenius,ens620ext)
 		wan_mac=$(mtd_get_mac_ascii u-boot-env ethaddr)
 		lan_mac=$(macaddr_add "$wan_mac" 1)
diff --git a/root/target/linux/ipq40xx/base-files/etc/hotplug.d/firmware/11-ath10k-caldata b/root/target/linux/ipq40xx/base-files/etc/hotplug.d/firmware/11-ath10k-caldata
index f073af48..a20e7e6f 100755
--- a/root/target/linux/ipq40xx/base-files/etc/hotplug.d/firmware/11-ath10k-caldata
+++ b/root/target/linux/ipq40xx/base-files/etc/hotplug.d/firmware/11-ath10k-caldata
@@ -163,10 +163,6 @@ case "$FIRMWARE" in
 		caldata_extract "ART" 0x1000 0x2f20
 		ath10k_patch_mac $(macaddr_add $(cat /sys/class/net/eth0/address) -2)
 		;;
-	zbt,z4019)
-		caldata_extract "0:ART" 0x1000 0x2f20
-		ath10k_patch_mac $(macaddr_add $(mtd_get_mac_binary "0:ART" 0x6) +1)
-		;;
 	esac
 	;;
 "ath10k/pre-cal-ahb-a800000.wifi.bin")
@@ -285,10 +281,6 @@ case "$FIRMWARE" in
 		caldata_extract "ART" 0x5000 0x2f20
 		ath10k_patch_mac $(macaddr_add $(cat /sys/class/net/eth0/address) -1)
 		;;
-	zbt,z4019)
-		caldata_extract "0:ART" 0x5000 0x2f20
-		ath10k_patch_mac $(macaddr_add $(mtd_get_mac_binary "0:ART" 0x6) +2)
-		;;
 	esac
 	;;
 *)