diff --git a/docs_src/sql_databases/sql_app/alt_main.py b/docs_src/sql_databases/sql_app/alt_main.py
index f7206bcb41..e503a14d87 100644
--- a/docs_src/sql_databases/sql_app/alt_main.py
+++ b/docs_src/sql_databases/sql_app/alt_main.py
@@ -13,7 +13,6 @@ app = FastAPI()
 
 @app.middleware("http")
 async def db_session_middleware(request: Request, call_next):
-    response = Response("Internal server error", status_code=500)
     try:
         request.state.db = SessionLocal()
         response = await call_next(request)
diff --git a/docs_src/sql_databases/sql_app_py310/alt_main.py b/docs_src/sql_databases/sql_app_py310/alt_main.py
index 5de88ec3a1..9cf0b82233 100644
--- a/docs_src/sql_databases/sql_app_py310/alt_main.py
+++ b/docs_src/sql_databases/sql_app_py310/alt_main.py
@@ -11,7 +11,6 @@ app = FastAPI()
 
 @app.middleware("http")
 async def db_session_middleware(request: Request, call_next):
-    response = Response("Internal server error", status_code=500)
     try:
         request.state.db = SessionLocal()
         response = await call_next(request)
diff --git a/docs_src/sql_databases/sql_app_py39/alt_main.py b/docs_src/sql_databases/sql_app_py39/alt_main.py
index 5de88ec3a1..9cf0b82233 100644
--- a/docs_src/sql_databases/sql_app_py39/alt_main.py
+++ b/docs_src/sql_databases/sql_app_py39/alt_main.py
@@ -11,7 +11,6 @@ app = FastAPI()
 
 @app.middleware("http")
 async def db_session_middleware(request: Request, call_next):
-    response = Response("Internal server error", status_code=500)
     try:
         request.state.db = SessionLocal()
         response = await call_next(request)