diff --git a/aider/io.py b/aider/io.py
index 4454dbbd2..c925612de 100644
--- a/aider/io.py
+++ b/aider/io.py
@@ -12,7 +12,7 @@ from pathlib import Path
 from prompt_toolkit.completion import Completer, Completion, ThreadedCompleter
 from prompt_toolkit.cursor_shapes import ModalCursorShapeConfig
 from prompt_toolkit.enums import EditingMode
-from prompt_toolkit.filters import Condition, buffer_has_focus, is_searching
+from prompt_toolkit.filters import Condition, is_searching
 from prompt_toolkit.history import FileHistory
 from prompt_toolkit.key_binding import KeyBindings
 from prompt_toolkit.keys import Keys