diff --git a/target/linux/mcs814x/config-3.18 b/target/linux/mcs814x/config-3.18
index e57f5ff013..427a7c92ce 100644
--- a/target/linux/mcs814x/config-3.18
+++ b/target/linux/mcs814x/config-3.18
@@ -159,6 +159,10 @@ CONFIG_MODULES_USE_ELF_REL=y
 # CONFIG_MTD_IMPA7 is not set
 CONFIG_MTD_JEDECPROBE=y
 CONFIG_MTD_PHYSMAP=y
+# CONFIG_MTD_ROOTFS_SPLIT is not set
+CONFIG_MTD_SPLIT_FIRMWARE=y
+CONFIG_MTD_SPLIT_FIRMWARE_NAME="linux"
+CONFIG_MTD_SPLIT_UIMAGE_FW=y
 CONFIG_MULTI_IRQ_HANDLER=y
 CONFIG_NEED_DMA_MAP_STATE=y
 CONFIG_NEED_KUSER_HELPERS=y
diff --git a/target/linux/mcs814x/files-3.18/arch/arm/boot/dts/dlan-usb-extender.dts b/target/linux/mcs814x/files-3.18/arch/arm/boot/dts/dlan-usb-extender.dts
index 0c85b94c0a..59830e8843 100644
--- a/target/linux/mcs814x/files-3.18/arch/arm/boot/dts/dlan-usb-extender.dts
+++ b/target/linux/mcs814x/files-3.18/arch/arm/boot/dts/dlan-usb-extender.dts
@@ -48,14 +48,6 @@
 						reg = <0x40000 0x10000>;
 					};
 					partition@50000 {
-						label = "kernel";
-						reg = <0x50000 0x100000>;
-					};
-					partition@150000 {
-						label = "rootfs";
-						reg = <0x150000 0x3C0000>;
-					};
-					partition@50001 {
 						label = "linux";
 						reg = <0x50000 0x4C0000>;
 					};
diff --git a/target/linux/mcs814x/image/Makefile b/target/linux/mcs814x/image/Makefile
index 017a564f09..3afd660c14 100644
--- a/target/linux/mcs814x/image/Makefile
+++ b/target/linux/mcs814x/image/Makefile
@@ -31,7 +31,7 @@ define Image/Build/DTB
 endef
 
 define Image/Build/Profile/dLAN_USB_Extender
-	dd if=$(KDIR)/uImage-dlan-usb-extender bs=1M conv=sync of=$(KDIR)/$(IMG_PREFIX)-dlan-usb-extender-upgrade-$(1).bin
+	dd if=$(KDIR)/uImage-dlan-usb-extender bs=64k conv=sync of=$(KDIR)/$(IMG_PREFIX)-dlan-usb-extender-upgrade-$(1).bin
 	cat $(KDIR)/root.$(1) >> $(KDIR)/$(IMG_PREFIX)-dlan-usb-extender-upgrade-$(1).bin
 	cp $(KDIR)/$(IMG_PREFIX)-dlan-usb-extender-upgrade-$(1).bin $(BIN_DIR)/
 endef