diff --git a/cleanup.py b/cleanup.py
index 9628d55c..34cddb34 100644
--- a/cleanup.py
+++ b/cleanup.py
@@ -30,7 +30,7 @@ FOLDER_STRUCTURE = {
 }
 
 
-class WorkingDirectory(object):
+class WorkingDirectory:
     """Context manager for changing current working directory."""
 
     def __init__(self, new, original=None):
diff --git a/core/auto_process/common.py b/core/auto_process/common.py
index 3ed77a2e..6340ce1a 100644
--- a/core/auto_process/common.py
+++ b/core/auto_process/common.py
@@ -10,7 +10,7 @@ import requests
 from core import logger
 
 
-class ProcessResult(object):
+class ProcessResult:
     def __init__(self, message, status_code):
         self.message = message
         self.status_code = status_code
diff --git a/core/auto_process/managers/sickbeard.py b/core/auto_process/managers/sickbeard.py
index 0e63a0a4..a5a37427 100644
--- a/core/auto_process/managers/sickbeard.py
+++ b/core/auto_process/managers/sickbeard.py
@@ -26,7 +26,7 @@ import six
 from six import iteritems
 
 
-class InitSickBeard(object):
+class InitSickBeard:
     """Sickbeard init class.
 
     Used to determin which sickbeard fork object to initialize.
@@ -316,7 +316,7 @@ class InitSickBeard(object):
             )
 
 
-class SickBeard(object):
+class SickBeard:
     """Sickbeard base class."""
 
     def __init__(self, sb_init):
diff --git a/core/github_api.py b/core/github_api.py
index d61def2f..dca5c7d1 100644
--- a/core/github_api.py
+++ b/core/github_api.py
@@ -10,7 +10,7 @@ from __future__ import (
 import requests
 
 
-class GitHub(object):
+class GitHub:
     """Simple api wrapper for the Github API v3."""
 
     def __init__(self, github_repo_user, github_repo, branch='master'):
diff --git a/core/logger.py b/core/logger.py
index 98b15432..80e3fe34 100644
--- a/core/logger.py
+++ b/core/logger.py
@@ -36,7 +36,7 @@ reverseNames = {u'ERROR': ERROR,
                 u'DB': DB}
 
 
-class NTMRotatingLogHandler(object):
+class NTMRotatingLogHandler:
     def __init__(self, log_file, num_files, num_bytes):
         self.num_files = num_files
         self.num_bytes = num_bytes
@@ -240,7 +240,7 @@ class NTMRotatingLogHandler(object):
             sys.exit(1)
 
 
-class DispatchingFormatter(object):
+class DispatchingFormatter:
     def __init__(self, formatters, default_formatter):
         self._formatters = formatters
         self._default_formatter = default_formatter
diff --git a/core/main_db.py b/core/main_db.py
index d9d7c1b9..4fc80389 100644
--- a/core/main_db.py
+++ b/core/main_db.py
@@ -58,7 +58,7 @@ def db_filename(filename='nzbtomedia.db', suffix=None):
     return core.os.path.join(core.APP_ROOT, filename)
 
 
-class DBConnection(object):
+class DBConnection:
     def __init__(self, filename='nzbtomedia.db', suffix=None, row_type=None):
 
         self.filename = filename
@@ -242,7 +242,7 @@ def sanity_check_database(connection, sanity_check):
     sanity_check(connection).check()
 
 
-class DBSanityCheck(object):
+class DBSanityCheck:
     def __init__(self, connection):
         self.connection = connection
 
@@ -287,7 +287,7 @@ def _process_upgrade(connection, upgrade_class):
 
 
 # Base migration class. All future DB changes should be subclassed from this class
-class SchemaUpgrade(object):
+class SchemaUpgrade:
     def __init__(self, connection):
         self.connection = connection
 
diff --git a/core/utils/processes.py b/core/utils/processes.py
index 56882757..c7f9e131 100644
--- a/core/utils/processes.py
+++ b/core/utils/processes.py
@@ -19,7 +19,7 @@ if os.name == 'nt':
     from winerror import ERROR_ALREADY_EXISTS
 
 
-class WindowsProcess(object):
+class WindowsProcess:
     def __init__(self):
         self.mutex = None
         self.mutexname = 'nzbtomedia_{pid}'.format(pid=core.PID_FILE.replace('\\', '/'))  # {D0E858DF-985E-4907-B7FB-8D732C3FC3B9}'
@@ -42,7 +42,7 @@ class WindowsProcess(object):
             self.CloseHandle(self.mutex)
 
 
-class PosixProcess(object):
+class PosixProcess:
     def __init__(self):
         self.pidpath = core.PID_FILE
         self.lock_socket = None
diff --git a/core/version_check.py b/core/version_check.py
index a6dde88d..a606e291 100644
--- a/core/version_check.py
+++ b/core/version_check.py
@@ -25,7 +25,7 @@ import core
 from core import github_api as github, logger
 
 
-class CheckVersion(object):
+class CheckVersion:
     """Version checker that runs in a thread with the SB scheduler."""
 
     def __init__(self):
@@ -88,7 +88,7 @@ class CheckVersion(object):
             return result
 
 
-class UpdateManager(object):
+class UpdateManager:
     def get_github_repo_user(self):
         return core.GIT_USER