diff --git a/daphne/server.py b/daphne/server.py
index 0ffa3ca..550e11a 100755
--- a/daphne/server.py
+++ b/daphne/server.py
@@ -21,7 +21,6 @@ else:
 
 import logging
 import time
-import traceback
 from concurrent.futures import CancelledError
 
 from twisted.internet import defer, reactor