diff --git a/target/linux/ath79/generic/base-files/etc/board.d/01_leds b/target/linux/ath79/generic/base-files/etc/board.d/01_leds
index fe00af76c3..146470855d 100755
--- a/target/linux/ath79/generic/base-files/etc/board.d/01_leds
+++ b/target/linux/ath79/generic/base-files/etc/board.d/01_leds
@@ -408,10 +408,6 @@ wd,mynet-wifi-rangeextender)
 xiaomi,aiot-ac2350)
 	ucidef_set_led_switch "wan" "WAN" "blue:wan" "switch0" "0x02"
 	;;
-xwrt,csac)
-	ucidef_set_led_wlan "wlan5g" "WLAN5G" "blue:wlan5g" "phy1tpt"
-	ucidef_set_led_wlan "wlan2g" "WLAN2G" "blue:wlan2g" "phy0tpt"
-	;;
 yuncore,a770)
 	ucidef_set_led_netdev "wan" "WAN" "green:wan" "eth1"
 	ucidef_set_led_switch "lan" "LAN" "green:lan" "switch0" "0x10"
diff --git a/target/linux/ath79/generic/base-files/etc/board.d/02_network b/target/linux/ath79/generic/base-files/etc/board.d/02_network
index 837895beed..b01dfa41d1 100755
--- a/target/linux/ath79/generic/base-files/etc/board.d/02_network
+++ b/target/linux/ath79/generic/base-files/etc/board.d/02_network
@@ -267,8 +267,7 @@ ath79_setup_interfaces()
 	iodata,wn-ac1600dgr2|\
 	iodata,wn-ag300dgr|\
 	pcs,cr5000|\
-	wd,mynet-n750|\
-	xwrt,csac)
+	wd,mynet-n750)
 		ucidef_add_switch "switch0" \
 			"0@eth0" "1:lan" "2:lan" "3:lan" "4:lan" "5:wan"
 		;;
@@ -666,11 +665,6 @@ ath79_setup_macs()
 	xiaomi,aiot-ac2350)
 		lan_mac=$(mtd_get_mac_binary art 0x1002)
 		;;
-	xwrt,csac)
-		wan_mac=$(mtd_get_mac_binary art 0)
-		lan_mac=$(macaddr_add "$wan_mac" 1)
-		label_mac=$wan_mac
-		;;
 	zyxel,nbg6616)
 		label_mac=$(mtd_get_mac_ascii u-boot-env ethaddr)
 		;;
diff --git a/target/linux/ath79/generic/base-files/etc/hotplug.d/firmware/11-ath10k-caldata b/target/linux/ath79/generic/base-files/etc/hotplug.d/firmware/11-ath10k-caldata
index f77ed9a5da..c7dbaafac1 100644
--- a/target/linux/ath79/generic/base-files/etc/hotplug.d/firmware/11-ath10k-caldata
+++ b/target/linux/ath79/generic/base-files/etc/hotplug.d/firmware/11-ath10k-caldata
@@ -243,7 +243,6 @@ case "$FIRMWARE" in
 		ln -sf /lib/firmware/ath10k/pre-cal-pci-0000\:00\:00.0.bin \
 			/lib/firmware/ath10k/QCA9984/hw1.0/board.bin
 		;;
-	xwrt,csac|\
 	yuncore,a782|\
 	yuncore,xd4200)
 		caldata_extract "art" 0x5000 0x2f20