diff --git a/tests-unit/server_test/test_prompt_metadata_e2e.py b/tests-unit/server_test/test_prompt_metadata_e2e.py
index a1bd2a463..c76688ac2 100644
--- a/tests-unit/server_test/test_prompt_metadata_e2e.py
+++ b/tests-unit/server_test/test_prompt_metadata_e2e.py
@@ -11,7 +11,6 @@ shape and the ``prompt_id`` collision invariants without needing a browser.
 import asyncio
 import os
 import sys
-import threading
 
 import pytest