--- zzzz-none-000/linux-4.9.218/arch/arm64/boot/dts/mediatek/Makefile	2020-04-02 15:20:41.000000000 +0000
+++ seale-7590ac-750/linux-4.9.218/arch/arm64/boot/dts/mediatek/Makefile	2022-11-30 09:46:19.000000000 +0000
@@ -1,7 +1,3 @@
 dtb-$(CONFIG_ARCH_MEDIATEK) += mt6755-evb.dtb
 dtb-$(CONFIG_ARCH_MEDIATEK) += mt6795-evb.dtb
 dtb-$(CONFIG_ARCH_MEDIATEK) += mt8173-evb.dtb
-
-always		:= $(dtb-y)
-subdir-y	:= $(dts-dirs)
-clean-files	:= *.dtb