diff --git a/arch/um/Makefile b/arch/um/Makefile
index 778c50f27399..25d0501549f5 100644
--- a/arch/um/Makefile
+++ b/arch/um/Makefile
@@ -155,5 +155,6 @@ MRPROPER_FILES += $(HOST_DIR)/include/generated
 archclean:
 	@find . \( -name '*.bb' -o -name '*.bbg' -o -name '*.da' \
 		-o -name '*.gcov' \) -type f -print | xargs rm -f
+	$(Q)$(MAKE) -f $(srctree)/Makefile ARCH=$(HEADER_ARCH) clean
 
 export HEADER_ARCH SUBARCH USER_CFLAGS CFLAGS_NO_HARDENING OS DEV_NULL_PATH