diff --git a/src/tests/backend/common/config/test_app_config.py b/src/tests/backend/common/config/test_app_config.py
index 2b310baed..95784031b 100644
--- a/src/tests/backend/common/config/test_app_config.py
+++ b/src/tests/backend/common/config/test_app_config.py
@@ -619,7 +619,7 @@ def test_production_environment_client_creation(self, mock_ai_client, mock_cosmo
             config = AppConfig()
             
             # Test credential creation uses ManagedIdentityCredential in prod
-            credential = config.get_azure_credential("test-client-id")
+            config.get_azure_credential("test-client-id")
             mock_managed_credential.assert_called_with(client_id="test-client-id")
             
             # Test Cosmos client creation
diff --git a/src/tests/backend/common/utils/test_otlp_tracing.py b/src/tests/backend/common/utils/test_otlp_tracing.py
index 586f1768b..dbf3ab244 100644
--- a/src/tests/backend/common/utils/test_otlp_tracing.py
+++ b/src/tests/backend/common/utils/test_otlp_tracing.py
@@ -483,7 +483,7 @@ def test_configure_oltp_tracing_call_sequence(
         mock_processor.return_value = mock_processor_instance
         
         # Execute
-        result = configure_oltp_tracing()
+        configure_oltp_tracing()
         
         # Verify call sequence using call order
         expected_calls = [
diff --git a/src/tests/backend/v4/common/services/test_team_service.py b/src/tests/backend/v4/common/services/test_team_service.py
index 9aa05ed6b..c8573fe7b 100644
--- a/src/tests/backend/v4/common/services/test_team_service.py
+++ b/src/tests/backend/v4/common/services/test_team_service.py
@@ -219,7 +219,7 @@ def test_init_with_memory_context(self):
 
     def test_init_config_attributes(self):
         """Test that configuration attributes are properly set."""
-        service = TeamService()
+        TeamService()
         
         # Verify config calls were made
         assert mock_config.get_azure_credentials.called
@@ -922,8 +922,7 @@ async def test_validate_single_index_not_found(self):
         # Patch the SearchIndexClient directly on the service call
         with patch.object(mock_search_indexes, 'SearchIndexClient', return_value=mock_index_client):
             # Mock the exception handling by patching the exception in the team_service_module
-            original_validate = service.validate_single_index
-            
+
             async def mock_validate(index_name):
                 try:
                     mock_index_client.get_index(index_name)
diff --git a/src/tests/backend/v4/magentic_agents/test_foundry_agent.py b/src/tests/backend/v4/magentic_agents/test_foundry_agent.py
index c1c6fb209..335fc3a33 100644
--- a/src/tests/backend/v4/magentic_agents/test_foundry_agent.py
+++ b/src/tests/backend/v4/magentic_agents/test_foundry_agent.py
@@ -934,7 +934,6 @@ async def test_close_with_azure_server_agent(self, mock_get_logger, mock_config,
         agent.project_client = mock_project_client
         
         # Mock the close method by setting up the agent to avoid base class call
-        original_close = agent.close
         agent.close = AsyncMock()
         
         # Override close to simulate the actual behavior but avoid base class issues
diff --git a/src/tests/backend/v4/magentic_agents/test_proxy_agent.py b/src/tests/backend/v4/magentic_agents/test_proxy_agent.py
index e5c7b1710..2081f35b0 100644
--- a/src/tests/backend/v4/magentic_agents/test_proxy_agent.py
+++ b/src/tests/backend/v4/magentic_agents/test_proxy_agent.py
@@ -125,15 +125,6 @@ def test_timeout_and_error_scenarios(self):
         """Test timeout and error handling scenarios."""
         import asyncio
         
-        async def simulate_timeout_behavior():
-            """Simulate the timeout behavior from _wait_for_user_clarification."""
-            timeout_duration = 30  # seconds
-            try:
-                # Simulate waiting for user response that times out
-                await asyncio.wait_for(asyncio.sleep(100), timeout=timeout_duration)
-                return "Got response"
-            except asyncio.TimeoutError:
-                return "TIMEOUT_OCCURRED"
         
         # Test that timeout logic would work
         loop = asyncio.new_event_loop()
@@ -339,6 +330,7 @@ async def simulate_send_clarification_request(request, timeout=30):
                 "data": request,
                 "timestamp": "2024-01-01T00:00:00Z"
             }
+            logging.debug("Simulated websocket message dispatch: %s", message)
             
             # Simulate waiting for response with timeout
             try:
diff --git a/src/tests/backend/v4/orchestration/test_human_approval_manager.py b/src/tests/backend/v4/orchestration/test_human_approval_manager.py
index 2b273c1b2..177efab2b 100644
--- a/src/tests/backend/v4/orchestration/test_human_approval_manager.py
+++ b/src/tests/backend/v4/orchestration/test_human_approval_manager.py
@@ -687,7 +687,7 @@ async def test_create_progress_ledger_websocket_error(self):
         
         # Execute - should handle the error gracefully but still raise it
         with self.assertRaises(Exception) as cm:
-            ledger = await self.manager.create_progress_ledger(context)
+            await self.manager.create_progress_ledger(context)
         
         # Verify the exception message
         self.assertEqual(str(cm.exception), "WebSocket error")