diff --git a/qt/python/mantidqt/utils/qt/test/test_window.py b/qt/python/mantidqt/utils/qt/test/test_window.py
index 01ac5fba0a9ec6e40a7da91d2fd1a3be902ba44f..51dfb6cd8dae46e71f69d2c99d18eefaaf7f940c 100644
--- a/qt/python/mantidqt/utils/qt/test/test_window.py
+++ b/qt/python/mantidqt/utils/qt/test/test_window.py
@@ -2,7 +2,7 @@ from __future__ import print_function
 
 from mantidqt.utils.qt.test.run_test_app import open_in_window
 from qtpy.QtWidgets import QPushButton, QMenu, QAction, QApplication
-from qtpy.QtCore import QObject, Signal, Qt, QMetaObject
+from qtpy.QtCore import QObject, Qt, QMetaObject
 
 
 class GuiTestBase(QObject, object):