diff --git a/tests/unit/interfaces/http/test_health_server.py b/tests/unit/interfaces/http/test_health_server.py
index fd97308fc8..f4bb6e9d2b 100644
--- a/tests/unit/interfaces/http/test_health_server.py
+++ b/tests/unit/interfaces/http/test_health_server.py
@@ -5,14 +5,12 @@
 import asyncio
 import json
 from collections.abc import AsyncGenerator
-from datetime import UTC, datetime, timedelta
 from unittest.mock import AsyncMock, MagicMock
-from uuid import uuid4
 
 import pytest
 import pytest_asyncio
 
-from bioetl.domain.types import HealthStatus, RunType
+from bioetl.domain.types import HealthStatus
 from bioetl.interfaces.http.health_server import HealthServer
 from bioetl.interfaces.http.types import HealthResponse