diff --git a/src/backend-api/src/tests/base/test_sk_logic_base.py b/src/backend-api/src/tests/base/test_sk_logic_base.py
index 594342b3..119d17fc 100644
--- a/src/backend-api/src/tests/base/test_sk_logic_base.py
+++ b/src/backend-api/src/tests/base/test_sk_logic_base.py
@@ -10,7 +10,6 @@
 import importlib
 import sys
 import types
-from typing import Type
 from unittest.mock import MagicMock
 
 import pytest
diff --git a/src/frontend/src/components/batchHistoryPanel.tsx b/src/frontend/src/components/batchHistoryPanel.tsx
index d180b78c..49fd10cb 100644
--- a/src/frontend/src/components/batchHistoryPanel.tsx
+++ b/src/frontend/src/components/batchHistoryPanel.tsx
@@ -1,6 +1,6 @@
 import React, { useState, useEffect, useRef } from "react";
 
-import { useDispatch, useSelector } from 'react-redux';
+import { useDispatch } from 'react-redux';
 import { Card, Spinner, Tooltip } from "@fluentui/react-components";
 import { useNavigate } from "react-router-dom";
 import ConfirmationDialog from "../commonComponents/ConfirmationDialog/confirmationDialogue";
diff --git a/src/processor/src/tests/unit/libs/application/test_application_context_extras.py b/src/processor/src/tests/unit/libs/application/test_application_context_extras.py
index b51b8b2a..e121254c 100644
--- a/src/processor/src/tests/unit/libs/application/test_application_context_extras.py
+++ b/src/processor/src/tests/unit/libs/application/test_application_context_extras.py
@@ -118,7 +118,7 @@ async def _run():
 
 def test_create_async_instance_with_callable_factory():
     async def _run():
-        ctx = AppContext().add_async_singleton(_AsyncSvc, lambda: _AsyncSvc())
+        ctx = AppContext().add_async_singleton(_AsyncSvc, _AsyncSvc)
         a = await ctx.get_service_async(_AsyncSvc)
         assert isinstance(a, _AsyncSvc)
         assert a.entered is True
@@ -151,7 +151,7 @@ async def _run():
 
 
 def test_create_instance_with_factory_callable():
-    ctx = AppContext().add_singleton(_S, lambda: _S())
+    ctx = AppContext().add_singleton(_S, _S)
     a = ctx.get_service(_S)
     assert isinstance(a, _S)
 
diff --git a/src/processor/src/tests/unit/services/test_queue_service_internals.py b/src/processor/src/tests/unit/services/test_queue_service_internals.py
index 47a8d701..6ebe0cf1 100644
--- a/src/processor/src/tests/unit/services/test_queue_service_internals.py
+++ b/src/processor/src/tests/unit/services/test_queue_service_internals.py
@@ -189,7 +189,7 @@ async def _go():
             try:
                 await task
             except (asyncio.CancelledError, Exception):
-                pass
+                pass  # Expected during task cancellation cleanup
 
         _run(_go())