diff --git a/aider/models.py b/aider/models.py
index ac6134261..8c78ac277 100644
--- a/aider/models.py
+++ b/aider/models.py
@@ -100,6 +100,7 @@ class ModelSettings:
     streaming: bool = True
     editor_model_name: Optional[str] = None
     editor_edit_format: Optional[str] = None
+    remove_reasoning: Optional[str] = None
 
 
 # https://platform.openai.com/docs/models/gpt-4-and-gpt-4-turbo