diff --git a/docs_src/path_operation_configuration/tutorial002_py310.py b/docs_src/path_operation_configuration/tutorial002_py310.py
index 9a8af5432..59908ed7c 100644
--- a/docs_src/path_operation_configuration/tutorial002_py310.py
+++ b/docs_src/path_operation_configuration/tutorial002_py310.py
@@ -12,8 +12,8 @@ class Item(BaseModel):
     tags: set[str] = set()
 
 
-@app.post("/items/", response_model=Item, tags=["items"])
-async def create_item(item: Item):
+@app.post("/items/", tags=["items"])
+async def create_item(item: Item) -> Item:
     return item
 
 
diff --git a/docs_src/path_operation_configuration/tutorial002_py39.py b/docs_src/path_operation_configuration/tutorial002_py39.py
index e7ced7de7..fca3b0de9 100644
--- a/docs_src/path_operation_configuration/tutorial002_py39.py
+++ b/docs_src/path_operation_configuration/tutorial002_py39.py
@@ -14,8 +14,8 @@ class Item(BaseModel):
     tags: set[str] = set()
 
 
-@app.post("/items/", response_model=Item, tags=["items"])
-async def create_item(item: Item):
+@app.post("/items/", tags=["items"])
+async def create_item(item: Item) -> Item:
     return item