diff --git a/starlette/applications.py b/starlette/applications.py
index 8c4f64c259..6deaf983d0 100644
--- a/starlette/applications.py
+++ b/starlette/applications.py
@@ -1,5 +1,4 @@
 import typing
-import warnings
 
 from starlette.datastructures import State, URLPath
 from starlette.middleware import Middleware
diff --git a/starlette/middleware/base.py b/starlette/middleware/base.py
index aa07a151b4..c9880206e2 100644
--- a/starlette/middleware/base.py
+++ b/starlette/middleware/base.py
@@ -1,5 +1,4 @@
 import typing
-import warnings
 
 import anyio