diff --git a/langgraph/store/mysql/aio.py b/langgraph/store/mysql/aio.py
index 2ddee1d..eb9cb61 100644
--- a/langgraph/store/mysql/aio.py
+++ b/langgraph/store/mysql/aio.py
@@ -45,7 +45,6 @@ def __init__(
         super().__init__()
         self._deserializer = deserializer
         self.conn = conn
-        self.conn = conn
         self.loop = asyncio.get_running_loop()
 
     async def abatch(self, ops: Iterable[Op]) -> list[Result]: