diff --git a/Makefile b/Makefile
index c6a4692..a9d9129 100644
--- a/Makefile
+++ b/Makefile
@@ -222,7 +222,7 @@ clean:
 		.lib-cflags .prog-cflags
 
 realclean: clean
-	rm -f tags cscope*
+	rm -f tags cscope* run_tests.log
 
 FORCE: