diff --git a/libs/langgraph/langgraph/func/__init__.py b/libs/langgraph/langgraph/func/__init__.py
index 1d4bf7679..3e6f4647e 100644
--- a/libs/langgraph/langgraph/func/__init__.py
+++ b/libs/langgraph/langgraph/func/__init__.py
@@ -2,7 +2,6 @@
 import concurrent.futures
 import functools
 import inspect
-import types
 from dataclasses import dataclass
 from typing import (
     Any,