diff --git a/langgraph/checkpoint/aiosqlite.py b/langgraph/checkpoint/aiosqlite.py
index cda29dd27..580a3a102 100644
--- a/langgraph/checkpoint/aiosqlite.py
+++ b/langgraph/checkpoint/aiosqlite.py
@@ -1,6 +1,5 @@
 import pickle
-from contextlib import asynccontextmanager
-from typing import Optional, final
+from typing import Optional
 
 import aiosqlite
 from langchain_core.pydantic_v1 import Field