diff --git a/rag/llm/chat_model.py b/rag/llm/chat_model.py
index a900ccb8d..214cd4604 100644
--- a/rag/llm/chat_model.py
+++ b/rag/llm/chat_model.py
@@ -487,15 +487,6 @@ class Base(ABC):
         assert False, "Shouldn't be here."
 
 
-# class GptTurbo(Base):
-#     _FACTORY_NAME = "OpenAI"
-
-#     def __init__(self, key, model_name="gpt-3.5-turbo", base_url="https://api.openai.com/v1", **kwargs):
-#         if not base_url:
-#             base_url = "https://api.openai.com/v1"
-#         super().__init__(key, model_name, base_url, **kwargs)
-
-
 class XinferenceChat(Base):
     _FACTORY_NAME = "Xinference"