diff --git a/arch/um/Makefile b/arch/um/Makefile
index 577b8d1cf1a..154803a2269 100644
--- a/arch/um/Makefile
+++ b/arch/um/Makefile
@@ -103,7 +103,6 @@ endef
 
 ifneq ($(KBUILD_SRC),)
 $(shell mkdir -p $(ARCH_DIR) && ln -fsn $(srctree)/$(ARCH_DIR)/Kconfig.$(SUBARCH) $(ARCH_DIR)/Kconfig.arch)
-CLEAN_FILES += $(ARCH_DIR)/Kconfig.arch
 else
 $(shell cd $(ARCH_DIR) && ln -sf Kconfig.$(SUBARCH) Kconfig.arch)
 endif
@@ -144,14 +143,14 @@ endef
 #TT or skas makefiles and don't clean skas_ptregs.h.
 CLEAN_FILES += linux x.i gmon.out $(ARCH_DIR)/include/uml-config.h \
 	$(GEN_HEADERS) $(ARCH_DIR)/include/skas_ptregs.h \
-	$(ARCH_DIR)/include/user_constants.h
+	$(ARCH_DIR)/include/user_constants.h $(ARCH_DIR)/Kconfig.arch
 
 MRPROPER_FILES += $(SYMLINK_HEADERS) $(ARCH_SYMLINKS) \
-	$(addprefix $(ARCH_DIR)/kernel/,$(KERN_SYMLINKS)) $(ARCH_DIR)/os \
-	$(ARCH_DIR)/Kconfig.arch
+	$(addprefix $(ARCH_DIR)/kernel/,$(KERN_SYMLINKS)) $(ARCH_DIR)/os
 
 archclean:
 	$(Q)$(MAKE) $(clean)=$(ARCH_DIR)/util
+	$(Q)$(MAKE) $(clean)=$(ARCH_DIR)/os-$(OS)/util
 	@find . \( -name '*.bb' -o -name '*.bbg' -o -name '*.da' \
 		-o -name '*.gcov' \) -type f -print | xargs rm -f