diff --git a/openlp/core/ui/mainwindow.py b/openlp/core/ui/mainwindow.py
index beb7cd148..ab2eaf7d8 100644
--- a/openlp/core/ui/mainwindow.py
+++ b/openlp/core/ui/mainwindow.py
@@ -23,7 +23,6 @@
 # Temple Place, Suite 330, Boston, MA 02111-1307 USA                          #
 ###############################################################################
 
-import os
 import logging
 import time
 
diff --git a/openlp/core/ui/settingsform.py b/openlp/core/ui/settingsform.py
index 0f183e40c..b2db0f567 100644
--- a/openlp/core/ui/settingsform.py
+++ b/openlp/core/ui/settingsform.py
@@ -28,7 +28,6 @@ import logging
 from PyQt4 import QtGui
 
 from openlp.core.ui import GeneralTab, ThemesTab
-from openlp.core.lib import Receiver
 from settingsdialog import Ui_SettingsDialog
 
 log = logging.getLogger(__name__)
@@ -45,7 +44,7 @@ class SettingsForm(QtGui.QDialog, Ui_SettingsDialog):
         self.ThemesTab = ThemesTab(mainWindow)
         self.addTab(u'Themes', self.ThemesTab)
 
-    def addTab(self, name,  tab):
+    def addTab(self, name, tab):
         log.info(u'Adding %s tab' % tab.tabTitle)
         self.SettingsTabWidget.addTab(tab, tab.tabTitleVisible)
 
diff --git a/openlp/plugins/bibles/lib/manager.py b/openlp/plugins/bibles/lib/manager.py
index 90401a3e1..10ee7b9f9 100644
--- a/openlp/plugins/bibles/lib/manager.py
+++ b/openlp/plugins/bibles/lib/manager.py
@@ -24,7 +24,6 @@
 ###############################################################################
 
 import logging
-import os
 
 from common import parse_reference
 from opensong import OpenSongBible
diff --git a/resources/pyinstaller/hook-openlp.plugins.presentations.presentationplugin.py b/resources/pyinstaller/hook-openlp.plugins.presentations.presentationplugin.py
index 8b7d6b8a2..0ede06f90 100644
--- a/resources/pyinstaller/hook-openlp.plugins.presentations.presentationplugin.py
+++ b/resources/pyinstaller/hook-openlp.plugins.presentations.presentationplugin.py
@@ -1,3 +1,3 @@
-hiddenimports = ['openlp.plugins.presentations.lib.impresscontroller',
+hiddenimports = ['openlp.plugins.presentations.lib.impresscontroller',
                  'openlp.plugins.presentations.lib.powerpointcontroller',
                  'openlp.plugins.presentations.lib.pptviewcontroller']
\ No newline at end of file
diff --git a/resources/pyinstaller/hook-openlp.py b/resources/pyinstaller/hook-openlp.py
index bd97e4aec..b77ec8b62 100644
--- a/resources/pyinstaller/hook-openlp.py
+++ b/resources/pyinstaller/hook-openlp.py
@@ -1,4 +1,4 @@
-hiddenimports = ['plugins.songs.songsplugin',
+hiddenimports = ['plugins.songs.songsplugin',
                  'plugins.bibles.bibleplugin',
                  'plugins.presentations.presentationplugin',
                  'plugins.media.mediaplugin',