diff --git a/xen/Makefile b/xen/Makefile
index b0e47a8c75..8023680ffb 100644
--- a/xen/Makefile
+++ b/xen/Makefile
@@ -341,7 +341,7 @@ _clean: delete-unfresh-files
 	$(MAKE) $(clean) arch/riscv
 	$(MAKE) $(clean) arch/x86
 	$(MAKE) $(clean) test
-	$(MAKE) -f $(BASEDIR)/tools/kconfig/Makefile.kconfig ARCH=$(ARCH) SRCARCH=$(SRCARCH) clean
+	$(MAKE) $(kconfig) clean
 	find . \( -name "*.o" -o -name ".*.d" -o -name ".*.d2" \
 		-o -name "*.gcno" -o -name ".*.cmd" -o -name "lib.a" \) -exec rm -f {} \;
 	rm -f include/asm $(TARGET) $(TARGET).gz $(TARGET).efi $(TARGET).efi.map $(TARGET)-syms $(TARGET)-syms.map *~ core