diff --git a/app/llm/external/openai_chat.py b/app/llm/external/openai_chat.py
index a05c49a..27e2d08 100644
--- a/app/llm/external/openai_chat.py
+++ b/app/llm/external/openai_chat.py
@@ -7,7 +7,6 @@
 from openai import OpenAI
 from openai.lib.azure import AzureOpenAI
 from openai.types.chat import ChatCompletionMessage, ChatCompletionMessageParam
-from openai.types.chat.completion_create_params import ResponseFormat
 from openai.types.shared_params import ResponseFormatJSONObject
 
 from ...common.message_converters import map_str_to_role, map_role_to_str