diff --git a/langgraph/graph/state.py b/langgraph/graph/state.py
index 0043b6d2e..02df2cc3a 100644
--- a/langgraph/graph/state.py
+++ b/langgraph/graph/state.py
@@ -1,4 +1,3 @@
-from dataclasses import dataclass
 import logging
 import typing
 import warnings