diff --git a/src/langbot/pkg/api/http/service/workflow.py b/src/langbot/pkg/api/http/service/workflow.py
index 869f1c25..2fe66e18 100644
--- a/src/langbot/pkg/api/http/service/workflow.py
+++ b/src/langbot/pkg/api/http/service/workflow.py
@@ -4,7 +4,7 @@ from __future__ import annotations
 import asyncio
 import uuid
 from datetime import datetime, timedelta
-from typing import Any, Optional
+from typing import Optional
 
 import sqlalchemy
 
diff --git a/src/langbot/pkg/persistence/migrations/dbm026_workflow_tables.py b/src/langbot/pkg/persistence/migrations/dbm026_workflow_tables.py
index 65f82117..69443348 100644
--- a/src/langbot/pkg/persistence/migrations/dbm026_workflow_tables.py
+++ b/src/langbot/pkg/persistence/migrations/dbm026_workflow_tables.py
@@ -119,7 +119,7 @@ class DBMigrateWorkflowTables(migration.DBMigration):
         # Update bots table: add binding_type column (default to 'pipeline' for backward compatibility)
         # Check if column exists first (SQLite doesn't support IF NOT EXISTS for columns)
         try:
-            result = await self.ap.persistence_mgr.execute_async(
+            await self.ap.persistence_mgr.execute_async(
                 sqlalchemy.text("SELECT binding_type FROM bots LIMIT 1")
             )
         except Exception:
diff --git a/src/langbot/pkg/workflow/executor.py b/src/langbot/pkg/workflow/executor.py
index 9250c44d..70b14c74 100644
--- a/src/langbot/pkg/workflow/executor.py
+++ b/src/langbot/pkg/workflow/executor.py
@@ -1136,7 +1136,7 @@ class DebugWorkflowExecutor(WorkflowExecutor):
         node_state.inputs = inputs
         debug_state.add_log(
             'debug',
-            f'Node inputs resolved',
+            'Node inputs resolved',
             node_id=node.id,
             data={'inputs': self._safe_serialize(inputs)}
         )
@@ -1223,9 +1223,6 @@ class DebugWorkflowExecutor(WorkflowExecutor):
             return {'completed': True}
         
         # Execute single node
-        node_map = {node.id: node for node in workflow.nodes}
-        edge_map = self._build_edge_map(workflow.edges)
-        
         debug_state.current_node_id = next_node.id
         await self._execute_debug_node(next_node, context, debug_state, workflow.settings.max_retries)
         
diff --git a/tests/unit_tests/platform/test_routing_rules.py b/tests/unit_tests/platform/test_routing_rules.py
index 3928f6f1..ca56024b 100644
--- a/tests/unit_tests/platform/test_routing_rules.py
+++ b/tests/unit_tests/platform/test_routing_rules.py
@@ -1,10 +1,19 @@
 """
 RuntimeBot.resolve_pipeline_uuid and _match_operator unit tests
+
+NOTE: These tests are for the deprecated routing rules feature.
+Routing rules have been removed in favor of direct Pipeline/Workflow binding.
+These tests are kept for backward compatibility but are skipped.
 """
 
+import pytest
 from unittest.mock import Mock
 
 
+# Mark all tests in this module as skipped since routing rules are deprecated
+pytestmark = pytest.mark.skip(reason="Routing rules feature has been removed. Bots now directly bind to Pipeline/Workflow.")
+
+
 class TestMatchOperator:
     """Test the _match_operator static method."""