diff --git a/sqlmodel/main.py b/sqlmodel/main.py
index 4ffeb59..14dbffd 100644
--- a/sqlmodel/main.py
+++ b/sqlmodel/main.py
@@ -55,10 +55,7 @@ if sys.version_info >= (3, 8):
 else:
     from typing_extensions import get_args, get_origin
 
-if sys.version_info >= (3, 9):
-    from typing import Annotated, _AnnotatedAlias
-else:
-    from typing_extensions import Annotated, _AnnotatedAlias
+from typing_extensions import Annotated, _AnnotatedAlias
 
 _T = TypeVar("_T")
 NoArgAnyCallable = Callable[[], Any]