diff --git a/invokeai/app/api/dependencies.py b/invokeai/app/api/dependencies.py
index 38ded5c705..83fc8d9e11 100644
--- a/invokeai/app/api/dependencies.py
+++ b/invokeai/app/api/dependencies.py
@@ -2,7 +2,6 @@
 
 from typing import Optional
 from logging import Logger
-import threading
 import os
 from invokeai.app.services.board_image_record_storage import (
     SqliteBoardImageRecordStorage,
@@ -66,8 +65,6 @@ class ApiDependencies:
         logger.info(f"Root directory = {str(config.root_path)}")
         logger.debug(f"Internet connectivity is {config.internet_available}")
 
-        lock = threading.Lock()
-
         events = FastAPIEventService(event_handler_id)
 
         output_folder = config.output_path
diff --git a/invokeai/app/services/sqlite.py b/invokeai/app/services/sqlite.py
index ea869ceace..1b70a98929 100644
--- a/invokeai/app/services/sqlite.py
+++ b/invokeai/app/services/sqlite.py
@@ -21,6 +21,7 @@ class SqliteItemStorage(ItemStorageABC, Generic[T]):
 
     def __init__(self, filename: str, table_name: str, id_field: str = "id"):
         super().__init__()
+
         self._filename = filename
         self._table_name = table_name
         self._id_field = id_field  # TODO: validate that T has this field
@@ -54,7 +55,6 @@ class SqliteItemStorage(ItemStorageABC, Generic[T]):
     def set(self, item: T):
         try:
             self._lock.acquire()
-
             self._cursor.execute(
                 f"""INSERT OR REPLACE INTO {self._table_name} (item) VALUES (?);""",
                 (item.json(),),