diff --git a/docs_src/body_updates/tutorial002_py310.py b/docs_src/body_updates/tutorial002_py310.py
index e5db71110..d30e41027 100644
--- a/docs_src/body_updates/tutorial002_py310.py
+++ b/docs_src/body_updates/tutorial002_py310.py
@@ -25,8 +25,8 @@ async def read_item(item_id: str):
     return items[item_id]
 
 
-@app.patch("/items/{item_id}", response_model=Item)
-async def update_item(item_id: str, item: Item):
+@app.patch("/items/{item_id}")
+async def update_item(item_id: str, item: Item) -> Item:
     stored_item_data = items[item_id]
     stored_item_model = Item(**stored_item_data)
     update_data = item.model_dump(exclude_unset=True)
diff --git a/docs_src/body_updates/tutorial002_py39.py b/docs_src/body_updates/tutorial002_py39.py
index eddd7af71..3714b5a55 100644
--- a/docs_src/body_updates/tutorial002_py39.py
+++ b/docs_src/body_updates/tutorial002_py39.py
@@ -27,8 +27,8 @@ async def read_item(item_id: str):
     return items[item_id]
 
 
-@app.patch("/items/{item_id}", response_model=Item)
-async def update_item(item_id: str, item: Item):
+@app.patch("/items/{item_id}")
+async def update_item(item_id: str, item: Item) -> Item:
     stored_item_data = items[item_id]
     stored_item_model = Item(**stored_item_data)
     update_data = item.model_dump(exclude_unset=True)