diff --git a/openlp/plugins/presentations/lib/powerpointcontroller.py b/openlp/plugins/presentations/lib/powerpointcontroller.py
index 42ee3248d..9b7d38bf0 100644
--- a/openlp/plugins/presentations/lib/powerpointcontroller.py
+++ b/openlp/plugins/presentations/lib/powerpointcontroller.py
@@ -32,7 +32,6 @@ This module is for controlling powerpoint. PPT API documentation:
 """
 import os
 import logging
-#from .ppinterface import constants
 
 if os.name == 'nt':
     from win32com.client import Dispatch
diff --git a/openlp/plugins/presentations/lib/pptviewcontroller.py b/openlp/plugins/presentations/lib/pptviewcontroller.py
index f7fd573f3..4f8650692 100644
--- a/openlp/plugins/presentations/lib/pptviewcontroller.py
+++ b/openlp/plugins/presentations/lib/pptviewcontroller.py
@@ -178,7 +178,6 @@ class PptviewDocument(PresentationDocument):
                 with zip_file.open('ppt/presentation.xml') as pres:
                     tree = ElementTree.parse(pres)
                 nodes = tree.getroot().findall(".//p:sldIdLst/p:sldId", namespaces=namespaces)
-                #print("slide count: " + str(len(nodes)))
                 # initialize the lists
                 titles = ['' for i in range(len(nodes))]
                 notes = ['' for i in range(len(nodes))]
diff --git a/openlp/plugins/remotes/lib/httprouter.py b/openlp/plugins/remotes/lib/httprouter.py
index e08befbd3..d3a107998 100644
--- a/openlp/plugins/remotes/lib/httprouter.py
+++ b/openlp/plugins/remotes/lib/httprouter.py
@@ -395,7 +395,7 @@ class HttpRouter(RegistryProperties):
         if controller_name and file_name:
             if controller_name in supported_controllers:
                 full_path = urllib.parse.unquote(file_name)
-                if not '..' in full_path:  # no hacking please
+                if '..' not in full_path:  # no hacking please
                     full_path = os.path.normpath(os.path.join(AppLocation.get_section_data_path(controller_name),
                                                               'thumbnails/' + full_path))
                     if os.path.exists(full_path):
diff --git a/tests/functional/openlp_core_lib/test_image_manager.py b/tests/functional/openlp_core_lib/test_image_manager.py
index 1b123631f..bb2f21bdd 100644
--- a/tests/functional/openlp_core_lib/test_image_manager.py
+++ b/tests/functional/openlp_core_lib/test_image_manager.py
@@ -103,7 +103,6 @@ class TestImageManager(TestCase, TestMixin):
 
         # THEN: The return should be of type image
         self.assertEqual(isinstance(image, QtGui.QImage), True, 'The returned object should be a QImage')
-        #print(len(self.image_manager._cache))
 
         # WHEN: adding the same image with different dimensions
         self.image_manager.add_image(full_path, 'church.jpg', None, '100x100')
diff --git a/tests/functional/openlp_plugins/presentations/test_pptviewcontroller.py b/tests/functional/openlp_plugins/presentations/test_pptviewcontroller.py
index 6e6e277d0..7229a7551 100644
--- a/tests/functional/openlp_plugins/presentations/test_pptviewcontroller.py
+++ b/tests/functional/openlp_plugins/presentations/test_pptviewcontroller.py
@@ -255,7 +255,6 @@ class TestPptviewDocument(TestCase):
         with patch('builtins.open') as mocked_open, \
                 patch('openlp.plugins.presentations.lib.pptviewcontroller.zipfile.is_zipfile') as mocked_is_zf:
             mocked_is_zf.return_value = False
-            #mocked_exists.return_value = True
             mocked_open.filesize = 10
             doc = PptviewDocument(self.mock_controller, self.mock_presentation)
             doc.file_path = os.path.join(TEST_RESOURCES_PATH, 'presentations', 'test.ppt')
diff --git a/tests/functional/openlp_plugins/presentations/test_presentationcontroller.py b/tests/functional/openlp_plugins/presentations/test_presentationcontroller.py
index b2dc43f97..0d20018c9 100644
--- a/tests/functional/openlp_plugins/presentations/test_presentationcontroller.py
+++ b/tests/functional/openlp_plugins/presentations/test_presentationcontroller.py
@@ -136,7 +136,7 @@ class TestPresentationController(TestCase):
             mocked_get_thumbnail_folder.return_value = 'test'
             mocked_exists.return_value = False
 
-            #WHEN: calling get_titles_and_notes
+            # WHEN: calling get_titles_and_notes
             result_titles, result_notes = self.document.get_titles_and_notes()
 
             # THEN: it should return two empty lists