diff --git a/docs_src/path_operation_configuration/tutorial001_py310.py b/docs_src/path_operation_configuration/tutorial001_py310.py
index da078fdf5..2e7488ea4 100644
--- a/docs_src/path_operation_configuration/tutorial001_py310.py
+++ b/docs_src/path_operation_configuration/tutorial001_py310.py
@@ -12,6 +12,6 @@ class Item(BaseModel):
     tags: set[str] = set()
 
 
-@app.post("/items/", response_model=Item, status_code=status.HTTP_201_CREATED)
-async def create_item(item: Item):
+@app.post("/items/", status_code=status.HTTP_201_CREATED)
+async def create_item(item: Item) -> Item:
     return item
diff --git a/docs_src/path_operation_configuration/tutorial001_py39.py b/docs_src/path_operation_configuration/tutorial001_py39.py
index a9dcbf389..09b318282 100644
--- a/docs_src/path_operation_configuration/tutorial001_py39.py
+++ b/docs_src/path_operation_configuration/tutorial001_py39.py
@@ -14,6 +14,6 @@ class Item(BaseModel):
     tags: set[str] = set()
 
 
-@app.post("/items/", response_model=Item, status_code=status.HTTP_201_CREATED)
-async def create_item(item: Item):
+@app.post("/items/", status_code=status.HTTP_201_CREATED)
+async def create_item(item: Item) -> Item:
     return item