diff --git a/target/linux/ath79/dts/qca9563_xwrt_csac.dts b/target/linux/ath79/dts/qca9563_xwrt_csac.dts
deleted file mode 100644
index 648895879f..0000000000
--- a/target/linux/ath79/dts/qca9563_xwrt_csac.dts
+++ /dev/null
@@ -1,181 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
-/dts-v1/;
-
-#include <dt-bindings/gpio/gpio.h>
-#include <dt-bindings/input/input.h>
-
-#include "qca956x.dtsi"
-
-/ {
-	model = "XWRT CSAC";
-	compatible = "xwrt,csac", "qca,qca9563";
-
-	aliases {
-		led-boot = &led_sys;
-		led-failsafe = &led_sys;
-		led-running = &led_sys;
-		led-upgrade = &led_sys;
-	};
-
-	chosen {
-		bootargs = "console=ttyS0,115200n8";
-	};
-
-	leds {
-		compatible = "gpio-leds";
-
-		led_sys: sys {
-			label = "blue:sys";
-			gpios = <&gpio 7 GPIO_ACTIVE_LOW>;
-		};
-
-		wlan2g {
-			label = "blue:wlan2g";
-			gpios = <&gpio 8 GPIO_ACTIVE_LOW>;
-		};
-
-		wlan5g {
-			label = "blue:wlan5g";
-			gpios = <&gpio 9 GPIO_ACTIVE_LOW>;
-		};
-	};
-
-	keys {
-		compatible = "gpio-keys";
-
-		reset {
-			linux,code = <KEY_RESTART>;
-			gpios = <&gpio 2 GPIO_ACTIVE_LOW>;
-			debounce-interval = <60>;
-		};
-	};
-
-	gpio_export {
-		compatible = "gpio-export";
-		#size-cells = <0>;
-
-		lte_modem_enable {
-			gpio-export,name = "lte_modem_enable";
-			gpio-export,output = <1>;
-			gpios = <&gpio 1 GPIO_ACTIVE_HIGH>;
-		};
-	};
-};
-
-&uart {
-	status = "okay";
-};
-
-&gpio {
-	status = "okay";
-};
-
-&pcie {
-	status = "okay";
-};
-
-&spi {
-	num-cs = <1>;
-
-	status = "okay";
-
-	flash@0 {
-		compatible = "jedec,spi-nor";
-		reg = <0>;
-		spi-max-frequency = <25000000>;
-
-		partitions {
-			compatible = "fixed-partitions";
-			#address-cells = <1>;
-			#size-cells = <1>;
-
-			partition@0 {
-				label = "u-boot";
-				reg = <0x000000 0x40000>;
-				read-only;
-			};
-
-			partition@40000 {
-				label = "u-boot-env";
-				reg = <0x040000 0x10000>;
-				read-only;
-			};
-
-			partition@50000 {
-				label = "firmware";
-				reg = <0x050000 0xfa0000>;
-
-				compatible = "fixed-partitions";
-				#address-cells = <1>;
-				#size-cells = <1>;
-
-				partition@0 {
-					label = "rootfs";
-					reg = <0x000000 0xe30000>;
-				};
-
-				partition@e30000 {
-					label = "kernel";
-					reg = <0xe30000 0x170000>;
-				};
-			};
-
-			art: partition@ff0000 {
-				label = "art";
-				reg = <0xff0000 0x010000>;
-			};
-		};
-	};
-};
-
-&usb_phy0 {
-	status = "okay";
-};
-
-&usb0 {
-	status = "okay";
-};
-
-&usb_phy1 {
-	status = "okay";
-};
-
-&usb1 {
-	status = "okay";
-};
-
-&mdio0 {
-	status = "okay";
-
-	phy-mask = <0>;
-
-	phy0: ethernet-phy@0 {
-		reg = <0>;
-		phy-mode = "sgmii";
-
-		qca,ar8327-initvals = <
-			0x04 0x00080080 /* PORT0 PAD MODE CTRL */
-			0x10 0x81000080 /* POWER_ON_STRIP */
-			0x50 0xcc35cc35 /* LED_CTRL0 */
-			0x54 0xcb37cb37 /* LED_CTRL1 */
-			0x58 0x00000000 /* LED_CTRL2 */
-			0x5c 0x00f3cf00 /* LED_CTRL3 */
-			0x7c 0x0000007e /* PORT0_STATUS */
-			>;
-	};
-};
-
-&eth0 {
-	status = "okay";
-	mtd-mac-address = <&art 0x0>;
-
-	pll-data = <0x03000101 0x00000101 0x00001919>;
-
-	phy-mode = "sgmii";
-	phy-handle = <&phy0>;
-};
-
-&wmac {
-	status = "okay";
-	mtd-cal-data = <&art 0x1000>;
-};
diff --git a/target/linux/ath79/image/generic.mk b/target/linux/ath79/image/generic.mk
index 37f88f6fcb..26cdb3eaa0 100644
--- a/target/linux/ath79/image/generic.mk
+++ b/target/linux/ath79/image/generic.mk
@@ -151,34 +151,6 @@ define Build/wrgg-pad-rootfs
 	$(STAGING_DIR_HOST)/bin/padjffs2 $(IMAGE_ROOTFS) -c 64 >>$@
 endef
 
-define Build/xwrt_csac10-factory
-  -[ -f "$@" ] && \
-  mkdir -p "$@.tmp" && \
-  mv "$@" "$@.tmp/UploadBrush-bin.img" && \
-  binmd5=$$($(STAGING_DIR_HOST)/bin/mkhash md5 "$@.tmp/UploadBrush-bin.img" | head -c32) && \
-  oemmd5=$$(echo -n TB-CSAC10-QCA9563_9886-ROUTE-CSAC10 | $(STAGING_DIR_HOST)/bin/mkhash md5 | head -c32) && \
-  echo -n $${binmd5}$${oemmd5} | $(STAGING_DIR_HOST)/bin/mkhash md5 | head -c32 >"$@.tmp/bin_random_oem.txt" && \
-  echo -n V4.4-201910201745 >"$@.tmp/version.txt" && \
-  $(TAR) -czf $@.tmp.tgz -C "$@.tmp" UploadBrush-bin.img bin_random_oem.txt version.txt && \
-  $(STAGING_DIR_HOST)/bin/openssl aes-256-cbc -md md5 -salt -in $@.tmp.tgz -out "$@" -k QiLunSmartWL && \
-  printf %32s CSAC10 >>"$@" && \
-  rm -rf "$@.tmp"
-endef
-
-define Build/xwrt_csac05-factory
-  -[ -f "$@" ] && \
-  mkdir -p "$@.tmp" && \
-  mv "$@" "$@.tmp/UploadBrush-bin.img" && \
-  binmd5=$$($(STAGING_DIR_HOST)/bin/mkhash md5 "$@.tmp/UploadBrush-bin.img" | head -c32) && \
-  oemmd5=$$(echo -n TB-CSAC05-QCA9563_9886-ROUTE-CSAC05 | $(STAGING_DIR_HOST)/bin/mkhash md5 | head -c32) && \
-  echo -n $${binmd5}$${oemmd5} | $(STAGING_DIR_HOST)/bin/mkhash md5 | head -c32 >"$@.tmp/bin_random_oem.txt" && \
-  echo -n V4.4-201910201745 >"$@.tmp/version.txt" && \
-  $(TAR) -czf $@.tmp.tgz -C "$@.tmp" UploadBrush-bin.img bin_random_oem.txt version.txt && \
-  $(STAGING_DIR_HOST)/bin/openssl aes-256-cbc -md md5 -salt -in $@.tmp.tgz -out "$@" -k QiLunSmartWL && \
-  printf %32s CSAC05 >>"$@" && \
-  rm -rf "$@.tmp"
-endef
-
 define Device/seama
   KERNEL := kernel-bin | append-dtb | relocate-kernel | lzma
   KERNEL_INITRAMFS := $$(KERNEL) | seama
@@ -2247,20 +2219,6 @@ define Device/xiaomi_mi-router-4q
 endef
 TARGET_DEVICES += xiaomi_mi-router-4q
 
-define Device/xwrt_csac
-  SOC := qca9563
-  DEVICE_VENDOR := XWRT
-  DEVICE_MODEL := CSAC
-  KERNEL_SIZE := 1472k
-  IMAGE_SIZE := 16000k
-  IMAGES += factory-10.bin factory-05.bin
-  IMAGE/sysupgrade.bin := append-rootfs | pad-rootfs | pad-to 14528k | append-kernel | append-metadata | check-size $$$$(IMAGE_SIZE)
-  IMAGE/factory-10.bin := $$(IMAGE/sysupgrade.bin) | xwrt_csac10-factory $(1)
-  IMAGE/factory-05.bin := $$(IMAGE/sysupgrade.bin) | xwrt_csac05-factory $(1)
-  DEVICE_PACKAGES := kmod-leds-reset kmod-ath10k-ct ath10k-firmware-qca9888-ct kmod-usb-core kmod-usb2
-endef
-TARGET_DEVICES += xwrt_csac
-
 define Device/yuncore_a770
   SOC := qca9531
   DEVICE_VENDOR := YunCore