diff --git a/Makefile b/Makefile
index 9ee1064..551bd03 100644
--- a/Makefile
+++ b/Makefile
@@ -54,5 +54,7 @@ endif
 all:	test stylecheck formatcheck
 
 clean:
+	@rm -f $(TEST_PATH)/unittest.xml
 	@rm -f $(TEST_PATH)/error.yaml
+	@rm -f $(TEST_PATH)/format.xml
 	@rm -f $(TEST_PATH)/unittest