--- zzzz-none-000/linux-4.9.218/arch/h8300/boot/dts/Makefile	2020-04-02 15:20:41.000000000 +0000
+++ seale-7590ax-750/linux-4.9.218/arch/h8300/boot/dts/Makefile	2023-03-29 10:59:06.000000000 +0000
@@ -7,9 +7,3 @@
 dtb-$(CONFIG_H8300H_SIM) := h8300h_sim.dtb
 dtb-$(CONFIG_H8S_SIM) := h8s_sim.dtb
 dtb-$(CONFIG_H8S_EDOSK2674) := edosk2674.dtb
-
-dtstree		:= $(srctree)/$(src)
-dtb-$(CONFIG_OF_ALL_DTBS) := $(patsubst $(dtstree)/%.dts,%.dtb, $(wildcard $(dtstree)/*.dts))
-
-always	    := $(dtb-y)
-clean-files := *.dtb.S *.dtb