diff --git a/cdist/config.py b/cdist/config.py
index b2d72f05..982d8b75 100644
--- a/cdist/config.py
+++ b/cdist/config.py
@@ -70,7 +70,7 @@ def _graph_dfs_cycle(graph, node, path):
     return False
 
 
-class Config(object):
+class Config:
     """Cdist main class to hold arbitrary data"""
 
     # list of paths (files and/or directories) that will be removed on finish
diff --git a/cdist/core/cdist_object.py b/cdist/core/cdist_object.py
index 114a47e0..51d61e04 100644
--- a/cdist/core/cdist_object.py
+++ b/cdist/core/cdist_object.py
@@ -47,7 +47,7 @@ class MissingObjectIdError(cdist.Error):
         return '%s' % (self.message)
 
 
-class CdistObject(object):
+class CdistObject:
     """Represents a cdist object.
 
     All interaction with objects in cdist should be done through this class.
diff --git a/cdist/core/cdist_type.py b/cdist/core/cdist_type.py
index 4500f50d..c0329c8a 100644
--- a/cdist/core/cdist_type.py
+++ b/cdist/core/cdist_type.py
@@ -38,7 +38,7 @@ class InvalidTypeError(cdist.Error):
                 self.type_path, self.type_absolute_path, self.source_path)
 
 
-class CdistType(object):
+class CdistType:
     """Represents a cdist type.
 
     All interaction with types in cdist should be done through this class.
diff --git a/cdist/core/code.py b/cdist/core/code.py
index 1550880a..226bc63d 100644
--- a/cdist/core/code.py
+++ b/cdist/core/code.py
@@ -92,7 +92,7 @@ code-remote
 '''
 
 
-class Code(object):
+class Code:
     """Generates and executes cdist code scripts.
 
     """
diff --git a/cdist/core/explorer.py b/cdist/core/explorer.py
index 353d7681..a3baa959 100644
--- a/cdist/core/explorer.py
+++ b/cdist/core/explorer.py
@@ -63,7 +63,7 @@ type explorer is:
 '''
 
 
-class Explorer(object):
+class Explorer:
     """Executes cdist explorers.
 
     """
diff --git a/cdist/core/manifest.py b/cdist/core/manifest.py
index 8b833ff2..2a0b2189 100644
--- a/cdist/core/manifest.py
+++ b/cdist/core/manifest.py
@@ -92,7 +92,7 @@ class NoInitialManifestError(cdist.Error):
         return repr(self.message)
 
 
-class Manifest(object):
+class Manifest:
     """Executes cdist manifests.
 
     """
diff --git a/cdist/emulator.py b/cdist/emulator.py
index 4eaf2c93..24d239fa 100644
--- a/cdist/emulator.py
+++ b/cdist/emulator.py
@@ -56,7 +56,7 @@ class DefaultList(list):
             return cls(initial.split('\n'))
 
 
-class Emulator(object):
+class Emulator:
     def __init__(self, argv, stdin=sys.stdin.buffer, env=os.environ):
         self.argv = argv
         self.stdin = stdin
diff --git a/cdist/exec/local.py b/cdist/exec/local.py
index ad6c6e36..e0aab190 100644
--- a/cdist/exec/local.py
+++ b/cdist/exec/local.py
@@ -39,7 +39,7 @@ import cdist.exec.util as util
 CONF_SUBDIRS_LINKED = ["explorer", "files", "manifest", "type", ]
 
 
-class Local(object):
+class Local:
     """Execute commands locally.
 
     All interaction with the local side should be done through this class.
diff --git a/cdist/exec/remote.py b/cdist/exec/remote.py
index f72bf3bf..e5af2f34 100644
--- a/cdist/exec/remote.py
+++ b/cdist/exec/remote.py
@@ -49,7 +49,7 @@ class DecodeError(cdist.Error):
         return "Cannot decode output of " + " ".join(self.command)
 
 
-class Remote(object):
+class Remote:
     """Execute commands remotely.
 
     All interaction with the remote side should be done through this class.
diff --git a/cdist/hostsource.py b/cdist/hostsource.py
index a7b8f0b4..5f927b36 100644
--- a/cdist/hostsource.py
+++ b/cdist/hostsource.py
@@ -41,7 +41,7 @@ def hostfile_process_line(line, strip_func=str.strip):
         return None
 
 
-class HostSource(object):
+class HostSource:
     """
     Host source object.
     Source can be a sequence or filename (stdin if \'-\').
diff --git a/cdist/info.py b/cdist/info.py
index b896a3d1..a1fad237 100644
--- a/cdist/info.py
+++ b/cdist/info.py
@@ -29,8 +29,7 @@ import glob
 import fnmatch
 
 
-class Info(object):
-
+class Info:
     def __init__(self, conf_dirs, args):
         self.conf_dirs = conf_dirs
         self.all = args.all
diff --git a/cdist/inventory.py b/cdist/inventory.py
index 138a2034..c06efff0 100644
--- a/cdist/inventory.py
+++ b/cdist/inventory.py
@@ -80,7 +80,7 @@ def rstrip_nl(s):
     return str.rstrip(s, "\n")
 
 
-class Inventory(object):
+class Inventory:
     """Inventory main class"""
 
     def __init__(self, db_basedir=dist_inventory_db, configuration=None):
diff --git a/cdist/message.py b/cdist/message.py
index 450fc3c3..ffa8c2bb 100644
--- a/cdist/message.py
+++ b/cdist/message.py
@@ -27,7 +27,7 @@ import tempfile
 log = logging.getLogger(__name__)
 
 
-class Message(object):
+class Message:
     """Support messaging between types
 
     """
diff --git a/cdist/preos.py b/cdist/preos.py
index bf2a8e60..f8a5dd67 100644
--- a/cdist/preos.py
+++ b/cdist/preos.py
@@ -78,7 +78,7 @@ def get_available_preoses_string(cls):
     return "Available PreOS-es:\n{}".format("\n".join(preoses))
 
 
-class PreOS(object):
+class PreOS:
     preoses = None
 
     @classmethod
diff --git a/cdist/preos/debootstrap/debootstrap.py b/cdist/preos/debootstrap/debootstrap.py
index f53dd4a7..ac01e08b 100644
--- a/cdist/preos/debootstrap/debootstrap.py
+++ b/cdist/preos/debootstrap/debootstrap.py
@@ -31,7 +31,7 @@ import os
 import subprocess
 
 
-class Debian(object):
+class Debian:
     _preos_name = 'debian'
     _cdist_preos = True
 
diff --git a/cdist/shell.py b/cdist/shell.py
index 60b6a9f0..04a68937 100644
--- a/cdist/shell.py
+++ b/cdist/shell.py
@@ -32,10 +32,8 @@ import cdist.config
 log = logging.getLogger(__name__)
 
 
-class Shell(object):
-
+class Shell:
     def __init__(self, shell=None):
-
         self.shell = shell
 
         self.target_host = (
diff --git a/cdist/test/config/__init__.py b/cdist/test/config/__init__.py
index 499593e3..0ed614b1 100644
--- a/cdist/test/config/__init__.py
+++ b/cdist/test/config/__init__.py
@@ -44,7 +44,7 @@ expected_object_names = sorted([
     '__third/moon'])
 
 
-class CdistObjectErrorContext(object):
+class CdistObjectErrorContext:
     def __init__(self, original_error):
         self.original_error = original_error
 
diff --git a/cdist/util/fsproperty.py b/cdist/util/fsproperty.py
index 5a27c9d7..1d76fd76 100644
--- a/cdist/util/fsproperty.py
+++ b/cdist/util/fsproperty.py
@@ -177,7 +177,7 @@ class DirectoryDict(collections.MutableMapping):
             raise cdist.Error(str(e))
 
 
-class FileBasedProperty(object):
+class FileBasedProperty:
     attribute_class = None
 
     def __init__(self, path):
@@ -189,7 +189,7 @@ class FileBasedProperty(object):
 
         Usage with a sublcass:
 
-        class Foo(object):
+        class Foo:
             # note that the actual DirectoryDict is stored as __parameters
             # on the instance
             parameters = DirectoryDictProperty(