diff --git a/target/linux/ath79/dts/qca9563_ubnt_unifiac.dtsi b/target/linux/ath79/dts/qca9563_ubnt_unifiac.dtsi
index 2e407c3486..6704ec983b 100644
--- a/target/linux/ath79/dts/qca9563_ubnt_unifiac.dtsi
+++ b/target/linux/ath79/dts/qca9563_ubnt_unifiac.dtsi
@@ -69,17 +69,12 @@
 			};
 
 			partition@70000 {
+				/* Combine kernel0 & kernel1 */
 				label = "firmware";
-				reg = <0x070000 0x790000>;
+				reg = <0x070000 0xf20000>;
 				compatible = "denx,uimage";
 			};
 
-			partition@800000 {
-				label = "kernel1";
-				reg = <0x800000 0x790000>;
-				read-only;
-			};
-
 			partition@f90000 {
 				label = "bs";
 				reg = <0xf90000 0x020000>;
diff --git a/target/linux/ath79/image/generic-ubnt.mk b/target/linux/ath79/image/generic-ubnt.mk
index bed043c3a7..8eeaa8de3e 100644
--- a/target/linux/ath79/image/generic-ubnt.mk
+++ b/target/linux/ath79/image/generic-ubnt.mk
@@ -229,7 +229,7 @@ TARGET_DEVICES += ubnt_unifi-ap-lr
 define Device/ubnt_unifiac
   DEVICE_VENDOR := Ubiquiti
   SOC := qca9563
-  IMAGE_SIZE := 7744k
+  IMAGE_SIZE := 15488k
   DEVICE_PACKAGES := kmod-ath10k-ct ath10k-firmware-qca988x-ct
 endef