diff --git a/python/packages/core/agent_framework/openai/_responses_client.py b/python/packages/core/agent_framework/openai/_responses_client.py
index 54e0527a3b..647963dd97 100644
--- a/python/packages/core/agent_framework/openai/_responses_client.py
+++ b/python/packages/core/agent_framework/openai/_responses_client.py
@@ -510,7 +510,6 @@ def _openai_content_parser(
                 # call_id for the result needs to be the same as the call_id for the function call
                 args: dict[str, Any] = {
                     "call_id": content.call_id,
-                    "id": call_id_to_id.get(content.call_id),
                     "type": "function_call_output",
                 }
                 if content.result: