diff --git a/fastapi/routing.py b/fastapi/routing.py
index 03588655e..cf0450107 100644
--- a/fastapi/routing.py
+++ b/fastapi/routing.py
@@ -22,7 +22,6 @@ from typing import (
     Type,
     Union,
     get_args,
-    get_origin,
 )
 
 from annotated_doc import Doc