diff --git a/litellm/responses/mcp/litellm_proxy_mcp_handler.py b/litellm/responses/mcp/litellm_proxy_mcp_handler.py
index 07e192e68b4..f13bcece7ca 100644
--- a/litellm/responses/mcp/litellm_proxy_mcp_handler.py
+++ b/litellm/responses/mcp/litellm_proxy_mcp_handler.py
@@ -85,6 +85,8 @@ class LiteLLM_Proxy_MCP_Handler:
         follow_up_params = dict(params)
         follow_up_params.pop("litellm_logging_obj", None)
         follow_up_params.pop("litellm_call_id", None)
+        if follow_up_params.get("web_search_options") is None:
+            follow_up_params.pop("web_search_options", None)
 
         nested_params = follow_up_params.get("litellm_params")
         if isinstance(nested_params, dict):
diff --git a/tests/test_litellm/responses/mcp/test_litellm_proxy_mcp_handler.py b/tests/test_litellm/responses/mcp/test_litellm_proxy_mcp_handler.py
index de889421e1c..f2658a1b0a5 100644
--- a/tests/test_litellm/responses/mcp/test_litellm_proxy_mcp_handler.py
+++ b/tests/test_litellm/responses/mcp/test_litellm_proxy_mcp_handler.py
@@ -451,6 +451,7 @@ def test_prepare_follow_up_call_params_resets_per_call_logging_state():
         "litellm_logging_obj": object(),
         "litellm_trace_id": "trace-1",
         "tool_choice": "auto",
+        "web_search_options": None,
         "litellm_params": {
             "litellm_call_id": "nested-parent-call",
             "litellm_logging_obj": object(),
@@ -467,6 +468,7 @@ def test_prepare_follow_up_call_params_resets_per_call_logging_state():
     assert follow_up["litellm_trace_id"] == "trace-1"
     assert follow_up["stream"] is True
     assert "tool_choice" not in follow_up
+    assert "web_search_options" not in follow_up
     assert follow_up["litellm_params"]["metadata"] == {"team": "legal"}
     assert original["litellm_call_id"] == "parent-call"