diff --git a/libs/prebuilt/langgraph/prebuilt/chat_agent_executor.py b/libs/prebuilt/langgraph/prebuilt/chat_agent_executor.py
index 77306a126..2e9454f3f 100644
--- a/libs/prebuilt/langgraph/prebuilt/chat_agent_executor.py
+++ b/libs/prebuilt/langgraph/prebuilt/chat_agent_executor.py
@@ -512,7 +512,6 @@ def create_react_agent(
     response_tool_name = None
     if response_format is not None:
         from langchain_core.tools import StructuredTool
-        from pydantic import BaseModel
         
         # Extract the actual schema from tuple if needed
         actual_schema = response_format
@@ -1117,3 +1116,4 @@ __all__ = [
 
 
 
+