diff --git a/tools/install_dependency/src/handler/connect_check.py b/tools/install_dependency/src/handler/connect_check.py
index 8bc6c7a40c954324d0bdbbdb96d316295b2039b5..ed691c607ecf45991234910edea4fd148c1c87c6 100644
--- a/tools/install_dependency/src/handler/connect_check.py
+++ b/tools/install_dependency/src/handler/connect_check.py
@@ -1,6 +1,3 @@
-import sys
-import os
-
 import logging
 import constant
 from handler.handler_and_node import Handler