diff --git a/tests/connection_test.py b/tests/connection_test.py
index c3146954..79e27aee 100644
--- a/tests/connection_test.py
+++ b/tests/connection_test.py
@@ -1,6 +1,5 @@
 import logging
 import os
-import signal
 import sys
 import tempfile
 import threading