--- zzzz-none-000/linux-4.9.218/arch/openrisc/boot/dts/Makefile	2020-04-02 15:20:41.000000000 +0000
+++ seale-7590ac-750/linux-4.9.218/arch/openrisc/boot/dts/Makefile	2022-11-30 09:46:19.000000000 +0000
@@ -5,6 +5,4 @@
 endif
 obj-y += $(BUILTIN_DTB)
 
-clean-files := *.dtb.S
-
 #DTC_FLAGS ?= -p 1024