diff --git a/include/image.mk b/include/image.mk
index 56c60d6087..73fc805bb5 100644
--- a/include/image.mk
+++ b/include/image.mk
@@ -323,6 +323,11 @@ define Build/lzma
 	@mv $@.new $@
 endef
 
+define Build/gzip
+	gzip -9n -c $@ $(1) > $@.new
+	@mv $@.new $@
+endef
+
 define Build/kernel-bin
 	rm -f $@
 	cp $^ $@
diff --git a/target/linux/brcm63xx/image/Makefile b/target/linux/brcm63xx/image/Makefile
index f15b30b5f1..90b9fa68eb 100755
--- a/target/linux/brcm63xx/image/Makefile
+++ b/target/linux/brcm63xx/image/Makefile
@@ -38,11 +38,6 @@ define Build/append-dtb
 	cat $@.dtb >> $@
 endef
 
-define Build/gzip
-	gzip -9 -c $@ > $@.gz
-	mv $@.gz $@
-endef
-
 define Build/hcs-initramfs
 	$(STAGING_DIR_HOST)/bin/hcsmakeimage --magic_bytes=$(HCS_MAGIC_BYTES) \
 		--rev_maj=$(HCS_REV_MAJ) --rev_min=$(HCS_REV_MIN) --input_file=$@ \