diff --git a/neutron_tempest_plugin/api/admin/test_ports.py b/neutron_tempest_plugin/api/admin/test_ports.py
index 9c94322..6f51b1c 100644
--- a/neutron_tempest_plugin/api/admin/test_ports.py
+++ b/neutron_tempest_plugin/api/admin/test_ports.py
@@ -14,7 +14,6 @@
 #    under the License.
 
 import netaddr
-import six
 
 from neutron_lib import constants as const
 from tempest.common import utils
@@ -123,8 +122,8 @@
         self.assertIn('resource_request', port)
         vnic_trait = 'CUSTOM_VNIC_TYPE_%s' % vnic_type.upper()
         physnet_trait = 'CUSTOM_PHYSNET_%s' % self.physnet_name.upper()
-        six.assertCountEqual(self, [physnet_trait, vnic_trait],
-                             port['resource_request']['required'])
+        self.assertCountEqual([physnet_trait, vnic_trait],
+                              port['resource_request']['required'])
 
         self.assertEqual(
             {'NET_BW_EGR_KILOBIT_PER_SEC': self.EGRESS_KBPS,
diff --git a/neutron_tempest_plugin/api/admin/test_quotas.py b/neutron_tempest_plugin/api/admin/test_quotas.py
index ae773c8..0cf474e 100644
--- a/neutron_tempest_plugin/api/admin/test_quotas.py
+++ b/neutron_tempest_plugin/api/admin/test_quotas.py
@@ -13,7 +13,6 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import six
 from tempest.common import utils
 from tempest.lib import decorators
 from tempest.lib import exceptions as lib_exc
@@ -145,7 +144,7 @@
         # as requested for tenant
         quota_set = self.admin_client.show_details_quota(tenant_id)
         quota_set = quota_set['quota']
-        for key, value in six.iteritems(new_quotas):
+        for key, value in new_quotas.items():
             self.assertEqual(new_quotas[key]['limit'],
                              quota_set[key]['limit'])
             self.assertEqual(new_quotas[key]['reserved'],
@@ -155,5 +154,5 @@
 
         # validate 'default' action for old extension
         quota_limit = self.admin_client.show_quotas(tenant_id)['quota']
-        for key, value in six.iteritems(new_quotas):
+        for key, value in new_quotas.items():
             self.assertEqual(new_quotas[key]['limit'], quota_limit[key])
diff --git a/neutron_tempest_plugin/common/ssh.py b/neutron_tempest_plugin/common/ssh.py
index fa731d8..c6204a4 100644
--- a/neutron_tempest_plugin/common/ssh.py
+++ b/neutron_tempest_plugin/common/ssh.py
@@ -19,7 +19,6 @@
 
 from oslo_log import log
 import paramiko
-import six
 from tempest.lib.common import ssh
 from tempest.lib import exceptions
 import tenacity
@@ -33,13 +32,7 @@
 
 
 RETRY_EXCEPTIONS = (exceptions.TimeoutException, paramiko.SSHException,
-                    socket.error)
-if six.PY2:
-    # NOTE(ralonsoh): TimeoutError was added in 3.3 and corresponds to
-    # OSError(errno.ETIMEDOUT)
-    RETRY_EXCEPTIONS += (OSError, )
-else:
-    RETRY_EXCEPTIONS += (TimeoutError, )
+                    socket.error, TimeoutError)
 
 
 class Client(ssh.Client):
diff --git a/neutron_tempest_plugin/fwaas/api/test_fwaasv2_extensions.py b/neutron_tempest_plugin/fwaas/api/test_fwaasv2_extensions.py
index f085e6d..0dd18f1 100644
--- a/neutron_tempest_plugin/fwaas/api/test_fwaasv2_extensions.py
+++ b/neutron_tempest_plugin/fwaas/api/test_fwaasv2_extensions.py
@@ -13,7 +13,6 @@
 #    under the License.
 
 import netaddr
-import six
 
 from tempest.common import utils
 from tempest import config
@@ -212,7 +211,7 @@
         # show a created firewall rule
         fw_rule = self.firewall_rules_client.show_firewall_rule(
             self.fw_rule_1['id'])
-        for key, value in six.iteritems(fw_rule['firewall_rule']):
+        for key, value in fw_rule['firewall_rule'].items():
             if key != 'firewall_policy_id':
                 self.assertEqual(self.fw_rule_1[key], value)
             # This check is placed because we cannot modify policy during
@@ -258,7 +257,7 @@
         fw_policy = self.firewall_policies_client.show_firewall_policy(
             self.fw_policy_1['id'])
         fw_policy = fw_policy['firewall_policy']
-        for key, value in six.iteritems(fw_policy):
+        for key, value in fw_policy.items():
             self.assertEqual(self.fw_policy_1[key], value)
 
     @decorators.idempotent_id('48dfcd75-3924-479d-bb65-b3ed33397663')
@@ -283,7 +282,7 @@
             fwg_id)
         fwg = firewall_group['firewall_group']
 
-        for key, value in six.iteritems(fwg):
+        for key, value in fwg.items():
             if key == 'status':
                 continue
             self.assertEqual(created_firewall_group[key], value)
diff --git a/neutron_tempest_plugin/neutron_dynamic_routing/scenario/base.py b/neutron_tempest_plugin/neutron_dynamic_routing/scenario/base.py
index f752436..b4be57b 100644
--- a/neutron_tempest_plugin/neutron_dynamic_routing/scenario/base.py
+++ b/neutron_tempest_plugin/neutron_dynamic_routing/scenario/base.py
@@ -19,7 +19,6 @@
 import time
 
 import netaddr
-import six
 
 from os_ken.tests.integrated.common import docker_base as ctn_base
 from tempest.common import utils
@@ -125,10 +124,10 @@
         while True:
             with self.lock:
                 try:
-                    yield (i, str(six.next(subnet_gen)))
+                    yield (i, str(next(subnet_gen)))
                 except StopIteration:
                     subnet_gen = netaddr.iter_iprange(start, end, step=step)
-                    yield (i, str(six.next(subnet_gen)))
+                    yield (i, str(next(subnet_gen)))
                 i += 1
 
     def net_resource_cleanup(self):
diff --git a/neutron_tempest_plugin/neutron_dynamic_routing/scenario/base_test_proto.py b/neutron_tempest_plugin/neutron_dynamic_routing/scenario/base_test_proto.py
index 1bcf5b1..643620f 100644
--- a/neutron_tempest_plugin/neutron_dynamic_routing/scenario/base_test_proto.py
+++ b/neutron_tempest_plugin/neutron_dynamic_routing/scenario/base_test_proto.py
@@ -14,7 +14,6 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import six
 from tempest import config
 
 from neutron_tempest_plugin.neutron_dynamic_routing.scenario import base
@@ -28,7 +27,7 @@
 
     def _test_check_neighbor_established(self, ip_version):
         self.bgp_peer_args[0]['peer_ip'] = self.r_as_ip[0].split('/')[0]
-        num, subnet = six.next(self.tnet_gen)
+        num, subnet = next(self.tnet_gen)
         mask = '/' + str(self.TPool.prefixlen)
         TNet = base.Net(name='', net=subnet, mask=self.TPool.prefixlen,
                         cidr=subnet + mask, router=None)
@@ -47,7 +46,7 @@
 
     def _test_check_advertised_tenant_network(self, ip_version):
         self.bgp_peer_args[0]['peer_ip'] = self.r_as_ip[0].split('/')[0]
-        num, subnet = six.next(self.tnet_gen)
+        num, subnet = next(self.tnet_gen)
         mask = '/' + str(self.TPool.prefixlen)
         TNet = base.Net(name='', net=subnet, mask=self.TPool.prefixlen,
                         cidr=subnet + mask, router=None)
@@ -73,7 +72,7 @@
         tnets = []
         tnets_cidr = []
         for i in range(0, 3):
-            num, subnet = six.next(self.tnet_gen)
+            num, subnet = next(self.tnet_gen)
             mask = '/' + str(self.TPool.prefixlen)
             TNet = base.Net(name='', net=subnet, mask=self.TPool.prefixlen,
                             cidr=subnet + mask, router=None)
@@ -102,7 +101,7 @@
         for (bgp_peer_args, r_as_ip) in zip(self.bgp_peer_args,
                                             self.r_as_ip):
             bgp_peer_args['peer_ip'] = r_as_ip.split('/')[0]
-        num, subnet = six.next(self.tnet_gen)
+        num, subnet = next(self.tnet_gen)
         mask = '/' + str(self.TPool.prefixlen)
         TNet = base.Net(name='', net=subnet, mask=self.TPool.prefixlen,
                         cidr=subnet + mask, router=None)
@@ -124,7 +123,7 @@
         for (bgp_peer_args, r_as_ip) in zip(self.bgp_peer_args,
                                             self.r_as_ip):
             bgp_peer_args['peer_ip'] = r_as_ip.split('/')[0]
-        num, subnet = six.next(self.tnet_gen)
+        num, subnet = next(self.tnet_gen)
         mask = '/' + str(self.TPool.prefixlen)
         TNet = base.Net(name='', net=subnet, mask=self.TPool.prefixlen,
                         cidr=subnet + mask, router=None)
diff --git a/neutron_tempest_plugin/neutron_dynamic_routing/scenario/basic/test_basic.py b/neutron_tempest_plugin/neutron_dynamic_routing/scenario/basic/test_basic.py
index 1c680f9..90a6815 100644
--- a/neutron_tempest_plugin/neutron_dynamic_routing/scenario/basic/test_basic.py
+++ b/neutron_tempest_plugin/neutron_dynamic_routing/scenario/basic/test_basic.py
@@ -15,7 +15,6 @@
 #    under the License.
 
 from os_ken.tests.integrated.common import docker_base as ctn_base
-import six
 from tempest import config
 from tempest.lib import decorators
 
@@ -31,7 +30,7 @@
     @decorators.idempotent_id('cc615252-c6cb-4d75-a70e-608fb2c3736a')
     def test_schedule_added_speaker(self):
         self.bgp_peer_args[0]['peer_ip'] = self.r_as_ip[0].split('/')[0]
-        num, subnet = six.next(self.tnet_gen)
+        num, subnet = next(self.tnet_gen)
         mask = '/' + str(self.TPool.prefixlen)
         TNet = s_base.Net(name='', net=subnet, mask=self.TPool.prefixlen,
                           cidr=subnet + mask, router=None)
@@ -51,7 +50,7 @@
     @decorators.idempotent_id('ce98c33c-0ffa-49ae-b365-da836406793b')
     def test_unschedule_deleted_speaker(self):
         self.bgp_peer_args[0]['peer_ip'] = self.r_as_ip[0].split('/')[0]
-        num, subnet = six.next(self.tnet_gen)
+        num, subnet = next(self.tnet_gen)
         mask = '/' + str(self.TPool.prefixlen)
         TNet = s_base.Net(name='', net=subnet, mask=self.TPool.prefixlen,
                           cidr=subnet + mask, router=None)
@@ -77,7 +76,7 @@
     @decorators.idempotent_id('aa6c565c-ded3-413b-8dc9-3928b3b0e38f')
     def test_remove_add_speaker_agent(self):
         self.bgp_peer_args[0]['peer_ip'] = self.r_as_ip[0].split('/')[0]
-        num, subnet = six.next(self.tnet_gen)
+        num, subnet = next(self.tnet_gen)
         mask = '/' + str(self.TPool.prefixlen)
         TNet = s_base.Net(name='', net=subnet, mask=self.TPool.prefixlen,
                           cidr=subnet + mask, router=None)
diff --git a/neutron_tempest_plugin/services/network/json/network_client.py b/neutron_tempest_plugin/services/network/json/network_client.py
index 0b2544b..e733cd0 100644
--- a/neutron_tempest_plugin/services/network/json/network_client.py
+++ b/neutron_tempest_plugin/services/network/json/network_client.py
@@ -11,9 +11,9 @@
 #    under the License.
 
 import time
+from urllib import parse as urlparse
 
 from oslo_serialization import jsonutils
-from six.moves.urllib import parse as urlparse
 from tempest.lib.common import rest_client as service_client
 from tempest.lib import exceptions as lib_exc