diff --git a/src/twomartens/masterthesis/cli.py b/src/twomartens/masterthesis/cli.py
index 61aa06b..05db393 100644
--- a/src/twomartens/masterthesis/cli.py
+++ b/src/twomartens/masterthesis/cli.py
@@ -31,7 +31,6 @@ from typing import Callable
 from typing import Dict
 from typing import Generator
 from typing import List
-from typing import Optional
 from typing import Sequence
 from typing import Tuple
 from typing import Union