diff --git a/target/linux/cns3xxx/image/Makefile b/target/linux/cns3xxx/image/Makefile
index c86b642e6c116fde565a83a6a42e8eb17db27ec0..9e5deecf6bd3312b0cd4a6929c3e49d3d5919b12 100644
--- a/target/linux/cns3xxx/image/Makefile
+++ b/target/linux/cns3xxx/image/Makefile
@@ -15,10 +15,6 @@ endef
 define BuildFirmware/Generic
 	dd if=$(KDIR)/uImage of=$(KDIR)/uImage.pad bs=64k conv=sync; \
 	dd if=$(KDIR)/root.$(1) of=$(KDIR)/root.$(1).pad bs=128k conv=sync; \
-	sh $(TOPDIR)/scripts/combined-image.sh \
-		$(KDIR)/uImage.pad \
-		$(KDIR)/root.$(1).pad \
-		$(BIN_DIR)/$(IMG_PREFIX)-$(patsubst jffs2-%,jffs2,$(patsubst squashfs-%,squashfs,$(1)))-uboot-sysupgrade.bin
 	sh $(TOPDIR)/scripts/combined-image.sh \
 		$(KDIR)/uImage.pad \
 		$(KDIR)/root.$(1).pad \