diff --git a/src/mnelab/mainwindow.py b/src/mnelab/mainwindow.py
index 1a7b2d52..77f8b541 100644
--- a/src/mnelab/mainwindow.py
+++ b/src/mnelab/mainwindow.py
@@ -14,7 +14,7 @@
 import mne
 import numpy as np
 from mne import channel_type
-from PySide6.QtCore import QEvent, QMetaObject, QModelIndex, QObject, Qt, QUrl, Signal, Slot
+from PySide6.QtCore import QEvent, QMetaObject, QModelIndex, QObject, Qt, QUrl, Slot
 from PySide6.QtGui import QAction, QDesktopServices, QIcon, QKeySequence
 from PySide6.QtWidgets import (
     QApplication,