diff --git a/ansible/action_plugins/merge_configs.py b/ansible/action_plugins/merge_configs.py
index d2c0684bfc..54463e6537 100644
--- a/ansible/action_plugins/merge_configs.py
+++ b/ansible/action_plugins/merge_configs.py
@@ -22,7 +22,7 @@ import tempfile
 
 from ansible import constants
 from ansible.plugins import action
-from six import StringIO
+from io import StringIO
 
 from oslo_config import iniparser
 
@@ -112,7 +112,7 @@ class OverrideConfigParser(iniparser.BaseParser):
                     if index == 0:
                         fp.write('{} = {}\n'.format(key, value))
                     else:
-                        fp.write('{}   {}\n'.format(len(key)*' ', value))
+                        fp.write('{}   {}\n'.format(len(key) * ' ', value))
 
         def write_section(section):
             for key, values in section.items():
diff --git a/ansible/action_plugins/merge_yaml.py b/ansible/action_plugins/merge_yaml.py
index aa7e9499b1..28f194a5df 100755
--- a/ansible/action_plugins/merge_yaml.py
+++ b/ansible/action_plugins/merge_yaml.py
@@ -31,7 +31,6 @@ except ImportError:
 
 from ansible import constants
 from ansible.plugins import action
-import six
 
 DOCUMENTATION = '''
 ---
@@ -149,7 +148,7 @@ class ActionModule(action.ActionBase):
 class Utils(object):
     @staticmethod
     def update_nested_conf(conf, update):
-        for k, v in six.iteritems(update):
+        for k, v in update.items():
             if isinstance(v, dict):
                 conf[k] = Utils.update_nested_conf(conf.get(k, {}), v)
             else:
diff --git a/requirements.txt b/requirements.txt
index 0bf32bc9d6..66c6cd386d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,6 @@
 pbr!=2.1.0,>=2.0.0 # Apache-2.0
 docker>=2.4.2 # Apache-2.0
 Jinja2>=2.10 # BSD License (3 clause)
-six>=1.10.0 # MIT
 oslo.config>=5.2.0 # Apache-2.0
 oslo.utils>=3.33.0 # Apache-2.0
 setuptools!=24.0.0,!=34.0.0,!=34.0.1,!=34.0.2,!=34.0.3,!=34.1.0,!=34.1.1,!=34.2.0,!=34.3.0,!=34.3.1,!=34.3.2,!=36.2.0,>=21.0.0 # PSF/ZPL
diff --git a/tests/test_merge_config.py b/tests/test_merge_config.py
index 21a4a0f576..8091025d18 100644
--- a/tests/test_merge_config.py
+++ b/tests/test_merge_config.py
@@ -17,9 +17,9 @@ import imp
 import os
 import sys
 
+from io import StringIO
 import mock
 from oslotest import base
-from six import StringIO
 
 
 PROJECT_DIR = os.path.abspath(os.path.join(os. path.dirname(__file__), '../'))