diff --git a/openlp/core/widgets/views.py b/openlp/core/widgets/views.py
index e04587185..b262aac60 100644
--- a/openlp/core/widgets/views.py
+++ b/openlp/core/widgets/views.py
@@ -193,8 +193,8 @@ class ListPreviewWidget(QtWidgets.QTableWidget, RegistryProperties):
                     if self.service_item.is_capable(ItemCapabilities.HasThumbnails):
                         image = self.image_manager.get_image(frame['image'], ImageSource.CommandPlugins)
                         pixmap = QtGui.QPixmap.fromImage(image)
-                    else:
-                        pixmap = frame['image'].pixmap(80, 80)
+                    # else:
+                    #    pixmap = frame['image'].pixmap(80, 80)
                 else:
                     image = self.image_manager.get_image(frame['path'], ImageSource.ImagePlugin)
                     pixmap = QtGui.QPixmap.fromImage(image)
diff --git a/tests/functional/openlp_core/ui/test_slidecontroller.py b/tests/functional/openlp_core/ui/test_slidecontroller.py
index 8b731e364..480ab5097 100644
--- a/tests/functional/openlp_core/ui/test_slidecontroller.py
+++ b/tests/functional/openlp_core/ui/test_slidecontroller.py
@@ -679,6 +679,7 @@ class TestSlideController(TestCase):
         slide_controller.is_live = False
         slide_controller.preview_widget = MagicMock()
         slide_controller.preview_display = MagicMock()
+        slide_controller.slide_preview = MagicMock()
         slide_controller.enable_tool_bar = MagicMock()
         slide_controller.on_media_start = MagicMock()
         slide_controller.slide_selected = MagicMock()
diff --git a/tests/interfaces/openlp_core/ui/test_mainwindow.py b/tests/interfaces/openlp_core/ui/test_mainwindow.py
index 529408d2c..88dedccde 100644
--- a/tests/interfaces/openlp_core/ui/test_mainwindow.py
+++ b/tests/interfaces/openlp_core/ui/test_mainwindow.py
@@ -47,16 +47,12 @@ class TestMainWindow(TestCase, TestMixin):
         Registry().set_flag('no_web_server', True)
         # Mock classes and methods used by mainwindow.
         with patch('openlp.core.ui.mainwindow.SettingsForm'), \
-                patch('openlp.core.ui.mainwindow.ImageManager'), \
-                patch('openlp.core.ui.mainwindow.LiveController'), \
-                patch('openlp.core.ui.mainwindow.PreviewController'), \
                 patch('openlp.core.ui.mainwindow.OpenLPDockWidget'), \
                 patch('openlp.core.ui.mainwindow.QtWidgets.QToolBox'), \
                 patch('openlp.core.ui.mainwindow.QtWidgets.QMainWindow.addDockWidget'), \
                 patch('openlp.core.ui.mainwindow.ServiceManager'), \
                 patch('openlp.core.ui.mainwindow.ThemeManager'), \
                 patch('openlp.core.ui.mainwindow.ProjectorManager'), \
-                patch('openlp.core.ui.mainwindow.Renderer'), \
                 patch('openlp.core.ui.mainwindow.websockets.WebSocketServer'), \
                 patch('openlp.core.ui.mainwindow.server.HttpServer'):
             self.main_window = MainWindow()