diff --git a/frigate/detectors/plugins/zmq_ipc.py b/frigate/detectors/plugins/zmq_ipc.py
index 9a5e0ded2..cd397aefa 100644
--- a/frigate/detectors/plugins/zmq_ipc.py
+++ b/frigate/detectors/plugins/zmq_ipc.py
@@ -1,7 +1,7 @@
 import json
 import logging
 import os
-from typing import Any, List, Optional
+from typing import Any, List
 
 import numpy as np
 import zmq