diff --git a/openlp/core/ui/maindisplay.py b/openlp/core/ui/maindisplay.py
index 3195f8de9..9a001b0f2 100644
--- a/openlp/core/ui/maindisplay.py
+++ b/openlp/core/ui/maindisplay.py
@@ -28,7 +28,7 @@ import os
 from PyQt4 import QtCore, QtGui
 from PyQt4.phonon import Phonon
 
-from openlp.core.lib import Receiver, str_to_bool
+from openlp.core.lib import Receiver
 
 class DisplayWidget(QtGui.QWidget):
     """