diff --git a/qubesmanager/about.py b/qubesmanager/about.py
index 5e0a348..5b8a915 100644
--- a/qubesmanager/about.py
+++ b/qubesmanager/about.py
@@ -20,7 +20,6 @@
 # with this program; if not, see <http://www.gnu.org/licenses/>.
 #
 #
-from PyQt4.QtCore import SIGNAL, SLOT  # pylint: disable=import-error
 from PyQt4.QtGui import QDialog, QIcon  # pylint: disable=import-error
 from qubesmanager.releasenotes import ReleaseNotesDialog
 from qubesmanager.informationnotes import InformationNotesDialog