diff --git a/ci/tools/changeBranchProtected2Readonly.py b/ci/tools/changeBranchProtected2Readonly.py
index 786ecdc7100836e326fe183eee72e4647fe40bd1..619c45eca1c6d582841eb6a17fbe1d83272084b5 100644
--- a/ci/tools/changeBranchProtected2Readonly.py
+++ b/ci/tools/changeBranchProtected2Readonly.py
@@ -3,10 +3,8 @@
 #@Author:   georgecao
 #@File:     changeBranchProtected2Readonly.py
 
-import math
 import yaml
 import os
-import sys
 import requests
 import json
 import logging