diff --git a/libs/langgraph/tests/test_pregel.py b/libs/langgraph/tests/test_pregel.py
index e1ab8aefe..4934cd847 100644
--- a/libs/langgraph/tests/test_pregel.py
+++ b/libs/langgraph/tests/test_pregel.py
@@ -23,7 +23,6 @@ from typing import (
     Annotated,
     Any,
     Dict,
-    FrozenSet,
     Generator,
     Iterator,
     List,