diff --git a/releasenotes/notes/remove-deprecated-volume-config-options-4b7ea93b88e5b982.yaml b/releasenotes/notes/remove-deprecated-volume-config-options-4b7ea93b88e5b982.yaml
new file mode 100644
index 0000000..f3002f9
--- /dev/null
+++ b/releasenotes/notes/remove-deprecated-volume-config-options-4b7ea93b88e5b982.yaml
@@ -0,0 +1,9 @@
+---
+upgrade:
+  - |
+    Deprecated config options to select the Volume API version have been
+    removed. Use ``CONF.volume.catalog_type`` to run volume tests under v3
+    or v2 APIs.
+
+    * ``CONF.volume-feature-enabled.api_v2``
+    * ``CONF.volume-feature-enabled.api_v3``
\ No newline at end of file
diff --git a/tempest/api/compute/admin/test_volume.py b/tempest/api/compute/admin/test_volume.py
index 342380e..cf8c560 100644
--- a/tempest/api/compute/admin/test_volume.py
+++ b/tempest/api/compute/admin/test_volume.py
@@ -13,7 +13,7 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import six
+import io
 
 from tempest.api.compute import base
 from tempest.common import waiters
@@ -51,7 +51,7 @@
         image = self.image_client.show_image(CONF.compute.image_ref)
         image_data = self.image_client.show_image_file(
             CONF.compute.image_ref).data
-        image_file = six.BytesIO(image_data)
+        image_file = io.BytesIO(image_data)
         create_dict = {
             'container_format': image['container_format'],
             'disk_format': image['disk_format'],
diff --git a/tempest/api/compute/flavors/test_flavors_negative.py b/tempest/api/compute/flavors/test_flavors_negative.py
index 235049a..5d6a7d7 100644
--- a/tempest/api/compute/flavors/test_flavors_negative.py
+++ b/tempest/api/compute/flavors/test_flavors_negative.py
@@ -13,10 +13,9 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
+import io
 import random
 
-import six
-
 from tempest.api.compute import base
 from tempest.common import image as common_image
 from tempest.common import utils
@@ -44,7 +43,7 @@
             CONF.compute.flavor_ref)['flavor']
         min_img_ram = flavor['ram'] + 1
         size = random.randint(1024, 4096)
-        image_file = six.BytesIO(data_utils.random_bytes(size))
+        image_file = io.BytesIO(data_utils.random_bytes(size))
         params = {
             'name': data_utils.rand_name('image'),
             'container_format': CONF.image.container_formats[0],
diff --git a/tempest/api/compute/images/test_image_metadata.py b/tempest/api/compute/images/test_image_metadata.py
index 561265f..ece983d 100644
--- a/tempest/api/compute/images/test_image_metadata.py
+++ b/tempest/api/compute/images/test_image_metadata.py
@@ -13,7 +13,7 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import six
+import io
 
 from tempest.api.compute import base
 from tempest.common import image as common_image
@@ -77,7 +77,7 @@
         cls.addClassResourceCleanup(test_utils.call_and_ignore_notfound_exc,
                                     cls.glance_client.delete_image,
                                     cls.image_id)
-        image_file = six.BytesIO((b'*' * 1024))
+        image_file = io.BytesIO((b'*' * 1024))
         if CONF.image_feature_enabled.api_v1:
             cls.glance_client.update_image(cls.image_id, data=image_file)
         else:
diff --git a/tempest/api/compute/images/test_list_image_filters.py b/tempest/api/compute/images/test_list_image_filters.py
index 7930c67..15b8a00 100644
--- a/tempest/api/compute/images/test_list_image_filters.py
+++ b/tempest/api/compute/images/test_list_image_filters.py
@@ -15,7 +15,7 @@
 
 import time
 
-import six
+import io
 import testtools
 
 from tempest.api.compute import base
@@ -85,7 +85,7 @@
             # Wait 1 second between creation and upload to ensure a delta
             # between created_at and updated_at.
             time.sleep(1)
-            image_file = six.BytesIO((b'*' * 1024))
+            image_file = io.BytesIO((b'*' * 1024))
             if CONF.image_feature_enabled.api_v1:
                 cls.glance_client.update_image(image_id, data=image_file)
             else:
diff --git a/tempest/api/image/base.py b/tempest/api/image/base.py
index d3dc19a..d0d64a5 100644
--- a/tempest/api/image/base.py
+++ b/tempest/api/image/base.py
@@ -12,7 +12,7 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import six
+import io
 
 from tempest.common import image as common_image
 from tempest import config
@@ -113,7 +113,7 @@
         cls.alt_tenant_id = cls.alt_image_member_client.tenant_id
 
     def _create_image(self):
-        image_file = six.BytesIO(data_utils.random_bytes())
+        image_file = io.BytesIO(data_utils.random_bytes())
         image = self.create_image(container_format='bare',
                                   disk_format='raw',
                                   is_public=False,
diff --git a/tempest/api/image/v1/test_images.py b/tempest/api/image/v1/test_images.py
index 595717e..6fd6c4e 100644
--- a/tempest/api/image/v1/test_images.py
+++ b/tempest/api/image/v1/test_images.py
@@ -13,7 +13,7 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import six
+import io
 
 from tempest.api.image import base
 from tempest.common import image as common_image
@@ -72,7 +72,7 @@
             self.assertEqual(val, image.get('properties')[key])
 
         # Now try uploading an image file
-        image_file = six.BytesIO(data_utils.random_bytes())
+        image_file = io.BytesIO(data_utils.random_bytes())
         body = self.client.update_image(image['id'], data=image_file)['image']
         self.assertIn('size', body)
         self.assertEqual(1024, body.get('size'))
@@ -204,7 +204,7 @@
         Note that the size of the new image is a random number between
         1024 and 4096
         """
-        image_file = six.BytesIO(data_utils.random_bytes(size))
+        image_file = io.BytesIO(data_utils.random_bytes(size))
         name = 'New Standard Image %s' % name
         image = cls.create_image(name=name,
                                  container_format=container_format,
@@ -306,7 +306,7 @@
                                disk_format, size):
         """Create a new standard image and return newly-registered image-id"""
 
-        image_file = six.BytesIO(data_utils.random_bytes(size))
+        image_file = io.BytesIO(data_utils.random_bytes(size))
         name = 'New Standard Image %s' % name
         image = cls.create_image(name=name,
                                  container_format=container_format,
diff --git a/tempest/api/image/v2/admin/test_images.py b/tempest/api/image/v2/admin/test_images.py
index ad68d82..733c778 100644
--- a/tempest/api/image/v2/admin/test_images.py
+++ b/tempest/api/image/v2/admin/test_images.py
@@ -13,7 +13,7 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import six
+import io
 
 from tempest.api.image import base
 from tempest.common import waiters
@@ -99,7 +99,7 @@
         self.assertEqual('queued', image['status'])
 
         file_content = data_utils.random_bytes()
-        image_file = six.BytesIO(file_content)
+        image_file = io.BytesIO(file_content)
         self.client.store_image_file(image['id'], image_file)
 
         body = self.client.show_image(image['id'])
diff --git a/tempest/api/image/v2/test_images.py b/tempest/api/image/v2/test_images.py
index ca72388..59067d1 100644
--- a/tempest/api/image/v2/test_images.py
+++ b/tempest/api/image/v2/test_images.py
@@ -14,10 +14,9 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
+import io
 import random
 
-import six
-
 from oslo_log import log as logging
 from tempest.api.image import base
 from tempest.common import waiters
@@ -82,7 +81,7 @@
         image = self._create_image()
         # Stage image data
         file_content = data_utils.random_bytes()
-        image_file = six.BytesIO(file_content)
+        image_file = io.BytesIO(file_content)
         self.client.stage_image_file(image['id'], image_file)
         # Check image status is 'uploading'
         body = self.client.show_image(image['id'])
@@ -158,7 +157,7 @@
 
         self.client.stage_image_file(
             image['id'],
-            six.BytesIO(data_utils.random_bytes()))
+            io.BytesIO(data_utils.random_bytes()))
         # Check image status is 'uploading'
         body = self.client.show_image(image['id'])
         self.assertEqual(image['id'], body['id'])
@@ -240,7 +239,7 @@
 
         # Now try uploading an image file
         file_content = data_utils.random_bytes()
-        image_file = six.BytesIO(file_content)
+        image_file = io.BytesIO(file_content)
         self.client.store_image_file(image['id'], image_file)
 
         # Now try to get image details
@@ -317,7 +316,7 @@
 
         # Upload an image file
         content = data_utils.random_bytes()
-        image_file = six.BytesIO(content)
+        image_file = io.BytesIO(content)
         self.client.store_image_file(image['id'], image_file)
 
         # Deactivate image
@@ -367,7 +366,7 @@
         1024 and 4096
         """
         size = random.randint(1024, 4096)
-        image_file = six.BytesIO(data_utils.random_bytes(size))
+        image_file = io.BytesIO(data_utils.random_bytes(size))
         tags = [data_utils.rand_name('tag'), data_utils.rand_name('tag')]
         image = cls.create_image(container_format=container_format,
                                  disk_format=disk_format,
@@ -550,7 +549,7 @@
     def test_list_images_param_member_status(self):
         """Test listing images by member_status and visibility"""
         # Create an image to be shared using default visibility
-        image_file = six.BytesIO(data_utils.random_bytes(2048))
+        image_file = io.BytesIO(data_utils.random_bytes(2048))
         container_format = CONF.image.container_formats[0]
         disk_format = CONF.image.disk_formats[0]
         image = self.create_image(container_format=container_format,
diff --git a/tempest/api/volume/base.py b/tempest/api/volume/base.py
index c538e60..f6559f8 100644
--- a/tempest/api/volume/base.py
+++ b/tempest/api/volume/base.py
@@ -20,7 +20,6 @@
 from tempest.lib.common import api_version_utils
 from tempest.lib.common.utils import data_utils
 from tempest.lib.common.utils import test_utils
-from tempest.lib import exceptions
 import tempest.test
 
 CONF = config.CONF
@@ -34,11 +33,6 @@
     # https://bugs.launchpad.net/tempest/+bug/1844568
     create_default_network = False
     _api_version = 2
-    # if api_v2 is not enabled while api_v3 is enabled, the volume v2 classes
-    # should be transferred to volume v3 classes.
-    if (not CONF.volume_feature_enabled.api_v2 and
-        CONF.volume_feature_enabled.api_v3):
-        _api_version = 3
     credentials = ['primary']
 
     @classmethod
@@ -48,17 +42,6 @@
         if not CONF.service_available.cinder:
             skip_msg = ("%s skipped as Cinder is not available" % cls.__name__)
             raise cls.skipException(skip_msg)
-        if cls._api_version == 2:
-            if not CONF.volume_feature_enabled.api_v2:
-                msg = "Volume API v2 is disabled"
-                raise cls.skipException(msg)
-        elif cls._api_version == 3:
-            if not CONF.volume_feature_enabled.api_v3:
-                msg = "Volume API v3 is disabled"
-                raise cls.skipException(msg)
-        else:
-            msg = ("Invalid Cinder API version (%s)" % cls._api_version)
-            raise exceptions.InvalidConfiguration(msg)
 
         api_version_utils.check_skip_with_microversion(
             cls.min_microversion, cls.max_microversion,
@@ -129,6 +112,13 @@
             name = data_utils.rand_name(cls.__name__ + '-Volume')
             kwargs['name'] = name
 
+        if CONF.volume.volume_type and 'volume_type' not in kwargs:
+            # If volume_type is not provided in config then no need to
+            # add a volume type and
+            # if volume_type has already been added by child class then
+            # no need to override.
+            kwargs['volume_type'] = CONF.volume.volume_type
+
         if CONF.compute.compute_volume_common_az:
             kwargs.setdefault('availability_zone',
                               CONF.compute.compute_volume_common_az)
diff --git a/tempest/api/volume/test_volumes_negative.py b/tempest/api/volume/test_volumes_negative.py
index 389d3be..35dd0ca 100644
--- a/tempest/api/volume/test_volumes_negative.py
+++ b/tempest/api/volume/test_volumes_negative.py
@@ -13,7 +13,7 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import six
+import io
 
 from tempest.api.volume import base
 from tempest.common import utils
@@ -50,7 +50,7 @@
                         self.images_client.delete_image, image['id'])
 
         # Upload image with 1KB data
-        image_file = six.BytesIO(data_utils.random_bytes())
+        image_file = io.BytesIO(data_utils.random_bytes())
         self.images_client.store_image_file(image['id'], image_file)
         waiters.wait_for_image_status(self.images_client,
                                       image['id'], 'active')
diff --git a/tempest/clients.py b/tempest/clients.py
index 6d19a0c..9ff02ea 100644
--- a/tempest/clients.py
+++ b/tempest/clients.py
@@ -231,89 +231,85 @@
 
     def _set_volume_clients(self):
 
-        # if only api_v3 is enabled, all these clients should be available
-        if (CONF.volume_feature_enabled.api_v2 or
-            CONF.volume_feature_enabled.api_v3):
-            self.backups_client_latest = self.volume_v3.BackupsClient()
-            self.encryption_types_client_latest = \
-                self.volume_v3.EncryptionTypesClient()
-            self.snapshot_manage_client_latest = \
-                self.volume_v3.SnapshotManageClient()
-            self.snapshots_client_latest = self.volume_v3.SnapshotsClient()
-            self.volume_capabilities_client_latest = \
-                self.volume_v3.CapabilitiesClient()
-            self.volume_manage_client_latest = (
-                self.volume_v3.VolumeManageClient())
-            self.volume_qos_client_latest = self.volume_v3.QosSpecsClient()
-            self.volume_services_client_latest = (
-                self.volume_v3.ServicesClient())
-            self.volume_types_client_latest = self.volume_v3.TypesClient()
-            self.volume_hosts_client_latest = self.volume_v3.HostsClient()
-            self.volume_quotas_client_latest = self.volume_v3.QuotasClient()
-            self.volume_quota_classes_client_latest = \
-                self.volume_v3.QuotaClassesClient()
-            self.volume_scheduler_stats_client_latest = \
-                self.volume_v3.SchedulerStatsClient()
-            self.volume_transfers_client_latest = \
-                self.volume_v3.TransfersClient()
-            self.volume_availability_zone_client_latest = \
-                self.volume_v3.AvailabilityZoneClient()
-            self.volume_limits_client_latest = self.volume_v3.LimitsClient()
-            self.volumes_client_latest = self.volume_v3.VolumesClient()
-            self.volumes_extension_client_latest = \
-                self.volume_v3.ExtensionsClient()
-            self.group_types_client_latest = self.volume_v3.GroupTypesClient()
-            self.groups_client_latest = self.volume_v3.GroupsClient()
-            self.group_snapshots_client_latest = \
-                self.volume_v3.GroupSnapshotsClient()
-            self.volume_messages_client_latest = (
-                self.volume_v3.MessagesClient())
-            self.volume_versions_client_latest = (
-                self.volume_v3.VersionsClient())
-            self.attachments_client_latest = (
-                self.volume_v3.AttachmentsClient())
+        self.backups_client_latest = self.volume_v3.BackupsClient()
+        self.encryption_types_client_latest = \
+            self.volume_v3.EncryptionTypesClient()
+        self.snapshot_manage_client_latest = \
+            self.volume_v3.SnapshotManageClient()
+        self.snapshots_client_latest = self.volume_v3.SnapshotsClient()
+        self.volume_capabilities_client_latest = \
+            self.volume_v3.CapabilitiesClient()
+        self.volume_manage_client_latest = (
+            self.volume_v3.VolumeManageClient())
+        self.volume_qos_client_latest = self.volume_v3.QosSpecsClient()
+        self.volume_services_client_latest = (
+            self.volume_v3.ServicesClient())
+        self.volume_types_client_latest = self.volume_v3.TypesClient()
+        self.volume_hosts_client_latest = self.volume_v3.HostsClient()
+        self.volume_quotas_client_latest = self.volume_v3.QuotasClient()
+        self.volume_quota_classes_client_latest = \
+            self.volume_v3.QuotaClassesClient()
+        self.volume_scheduler_stats_client_latest = \
+            self.volume_v3.SchedulerStatsClient()
+        self.volume_transfers_client_latest = \
+            self.volume_v3.TransfersClient()
+        self.volume_availability_zone_client_latest = \
+            self.volume_v3.AvailabilityZoneClient()
+        self.volume_limits_client_latest = self.volume_v3.LimitsClient()
+        self.volumes_client_latest = self.volume_v3.VolumesClient()
+        self.volumes_extension_client_latest = \
+            self.volume_v3.ExtensionsClient()
+        self.group_types_client_latest = self.volume_v3.GroupTypesClient()
+        self.groups_client_latest = self.volume_v3.GroupsClient()
+        self.group_snapshots_client_latest = \
+            self.volume_v3.GroupSnapshotsClient()
+        self.volume_messages_client_latest = (
+            self.volume_v3.MessagesClient())
+        self.volume_versions_client_latest = (
+            self.volume_v3.VersionsClient())
+        self.attachments_client_latest = (
+            self.volume_v3.AttachmentsClient())
 
-            # TODO(gmann): Below alias for service clients have been
-            # deprecated and will be removed in future. Start using the alias
-            # defined above with suffix _latest.
-            # ****************Deprecated alias start from here***************
-            self.backups_v2_client = self.volume_v3.BackupsClient()
-            self.encryption_types_v2_client = \
-                self.volume_v3.EncryptionTypesClient()
-            self.snapshot_manage_v2_client = \
-                self.volume_v3.SnapshotManageClient()
-            self.snapshots_v2_client = self.volume_v3.SnapshotsClient()
-            self.volume_capabilities_v2_client = \
-                self.volume_v3.CapabilitiesClient()
-            self.volume_manage_v2_client = self.volume_v3.VolumeManageClient()
-            self.volume_qos_v2_client = self.volume_v3.QosSpecsClient()
-            self.volume_services_v2_client = self.volume_v3.ServicesClient()
-            self.volume_types_v2_client = self.volume_v3.TypesClient()
-            self.volume_hosts_v2_client = self.volume_v3.HostsClient()
-            self.volume_quotas_v2_client = self.volume_v3.QuotasClient()
-            self.volume_quota_classes_v2_client = \
-                self.volume_v3.QuotaClassesClient()
-            self.volume_scheduler_stats_v2_client = \
-                self.volume_v3.SchedulerStatsClient()
-            self.volume_transfers_v2_client = self.volume_v3.TransfersClient()
-            self.volume_v2_availability_zone_client = \
-                self.volume_v3.AvailabilityZoneClient()
-            self.volume_v2_limits_client = self.volume_v3.LimitsClient()
-            self.volumes_v2_client = self.volume_v3.VolumesClient()
-            self.volumes_v2_extension_client = \
-                self.volume_v3.ExtensionsClient()
+        # TODO(gmann): Below alias for service clients have been
+        # deprecated and will be removed in future. Start using the alias
+        # defined above with suffix _latest.
+        # ****************Deprecated alias start from here***************
+        self.backups_v2_client = self.volume_v3.BackupsClient()
+        self.encryption_types_v2_client = \
+            self.volume_v3.EncryptionTypesClient()
+        self.snapshot_manage_v2_client = \
+            self.volume_v3.SnapshotManageClient()
+        self.snapshots_v2_client = self.volume_v3.SnapshotsClient()
+        self.volume_capabilities_v2_client = \
+            self.volume_v3.CapabilitiesClient()
+        self.volume_manage_v2_client = self.volume_v3.VolumeManageClient()
+        self.volume_qos_v2_client = self.volume_v3.QosSpecsClient()
+        self.volume_services_v2_client = self.volume_v3.ServicesClient()
+        self.volume_types_v2_client = self.volume_v3.TypesClient()
+        self.volume_hosts_v2_client = self.volume_v3.HostsClient()
+        self.volume_quotas_v2_client = self.volume_v3.QuotasClient()
+        self.volume_quota_classes_v2_client = \
+            self.volume_v3.QuotaClassesClient()
+        self.volume_scheduler_stats_v2_client = \
+            self.volume_v3.SchedulerStatsClient()
+        self.volume_transfers_v2_client = self.volume_v3.TransfersClient()
+        self.volume_v2_availability_zone_client = \
+            self.volume_v3.AvailabilityZoneClient()
+        self.volume_v2_limits_client = self.volume_v3.LimitsClient()
+        self.volumes_v2_client = self.volume_v3.VolumesClient()
+        self.volumes_v2_extension_client = \
+            self.volume_v3.ExtensionsClient()
 
-        if CONF.volume_feature_enabled.api_v3:
-            self.backups_v3_client = self.volume_v3.BackupsClient()
-            self.group_types_v3_client = self.volume_v3.GroupTypesClient()
-            self.groups_v3_client = self.volume_v3.GroupsClient()
-            self.group_snapshots_v3_client = \
-                self.volume_v3.GroupSnapshotsClient()
-            self.snapshots_v3_client = self.volume_v3.SnapshotsClient()
-            self.volume_v3_messages_client = self.volume_v3.MessagesClient()
-            self.volume_v3_versions_client = self.volume_v3.VersionsClient()
-            self.volumes_v3_client = self.volume_v3.VolumesClient()
-            # ****************Deprecated alias end here***********************
+        self.backups_v3_client = self.volume_v3.BackupsClient()
+        self.group_types_v3_client = self.volume_v3.GroupTypesClient()
+        self.groups_v3_client = self.volume_v3.GroupsClient()
+        self.group_snapshots_v3_client = \
+            self.volume_v3.GroupSnapshotsClient()
+        self.snapshots_v3_client = self.volume_v3.SnapshotsClient()
+        self.volume_v3_messages_client = self.volume_v3.MessagesClient()
+        self.volume_v3_versions_client = self.volume_v3.VersionsClient()
+        self.volumes_v3_client = self.volume_v3.VolumesClient()
+        # ****************Deprecated alias end here***********************
 
     def _set_object_storage_clients(self):
         self.account_client = self.object_storage.AccountClient()
diff --git a/tempest/cmd/verify_tempest_config.py b/tempest/cmd/verify_tempest_config.py
index 235d8e3..0db1ab1 100644
--- a/tempest/cmd/verify_tempest_config.py
+++ b/tempest/cmd/verify_tempest_config.py
@@ -202,22 +202,8 @@
                             not CONF.identity_feature_enabled.api_v3, update)
 
 
-def verify_cinder_api_versions(os, update):
-    # Check cinder api versions
-    versions = _get_api_versions(os, 'cinder')
-    if (CONF.volume_feature_enabled.api_v2 !=
-            contains_version('v2.', versions)):
-        print_and_or_update('api_v2', 'volume-feature-enabled',
-                            not CONF.volume_feature_enabled.api_v2, update)
-    if (CONF.volume_feature_enabled.api_v3 !=
-            contains_version('v3.', versions)):
-        print_and_or_update('api_v3', 'volume-feature-enabled',
-                            not CONF.volume_feature_enabled.api_v3, update)
-
-
 def verify_api_versions(os, service, update):
     verify = {
-        'cinder': verify_cinder_api_versions,
         'glance': verify_glance_api_versions,
         'keystone': verify_keystone_api_versions,
     }
diff --git a/tempest/config.py b/tempest/config.py
index 1367678..0df5045 100644
--- a/tempest/config.py
+++ b/tempest/config.py
@@ -972,6 +972,9 @@
                 default=['BACKEND_1', 'BACKEND_2'],
                 help='A list of backend names separated by comma. '
                      'The backend name must be declared in cinder.conf'),
+    cfg.StrOpt('volume_type',
+               default='',
+               help='Volume type to be used while creating volume.'),
     cfg.StrOpt('storage_protocol',
                default='iSCSI',
                help='Backend protocol to target when creating volume types'),
@@ -1043,31 +1046,6 @@
                 help='A list of enabled volume extensions with a special '
                      'entry all which indicates every extension is enabled. '
                      'Empty list indicates all extensions are disabled'),
-    cfg.BoolOpt('api_v2',
-                default=True,
-                help="Is the v2 volume API enabled",
-                deprecated_for_removal=True,
-                deprecated_reason="The v2 volume API has been deprecated "
-                                  "since Pike release. Now Tempest run all "
-                                  "the volume tests against v2 or v3 API "
-                                  "based on CONF.volume.catalog_type which "
-                                  "makes this config option unusable. If "
-                                  "catalog_type is volumev2, then all the "
-                                  "volume tests will run against v2 API. "
-                                  "Use ``CONF.volume.catalog_type`` to run "
-                                  "the Tempest against volume v2 or v3 API"),
-    cfg.BoolOpt('api_v3',
-                default=True,
-                help="Is the v3 volume API enabled",
-                deprecated_for_removal=True,
-                deprecated_reason="Tempest run all the volume tests against "
-                                  "v2 or v3 API based on "
-                                  "CONF.volume.catalog_type which makes this "
-                                  "config option unusable. If catalog_type is "
-                                  "volumev3 which is default, then all the "
-                                  "volume tests will run against v3 API. "
-                                  "Use ``CONF.volume.catalog_type`` to run "
-                                  "the Tempest against volume v2 or v3 API"),
     cfg.BoolOpt('extend_attached_volume',
                 default=False,
                 help='Does the cloud support extending the size of a volume '
diff --git a/tempest/scenario/manager.py b/tempest/scenario/manager.py
index 4652af4..99a3f32 100644
--- a/tempest/scenario/manager.py
+++ b/tempest/scenario/manager.py
@@ -486,7 +486,7 @@
             snapshot['id'])['snapshot']
         return snapshot
 
-    def _cleanup_volume_type(self, volume_type):
+    def cleanup_volume_type(self, volume_type):
         """Clean up a given volume type.
 
         Ensuring all volumes associated to a type are first removed before
@@ -542,7 +542,7 @@
         volume_type = volume_type_resp['volume_type']
 
         self.assertIn('id', volume_type)
-        self.addCleanup(self._cleanup_volume_type, volume_type)
+        self.addCleanup(self.cleanup_volume_type, volume_type)
         return volume_type
 
     def create_loginable_secgroup_rule(self, secgroup_id=None, rulesets=None):
diff --git a/tempest/tests/cmd/test_verify_tempest_config.py b/tempest/tests/cmd/test_verify_tempest_config.py
index 277e049..e19efb7 100644
--- a/tempest/tests/cmd/test_verify_tempest_config.py
+++ b/tempest/tests/cmd/test_verify_tempest_config.py
@@ -97,15 +97,15 @@
         self.useFixture(fixtures.MockPatchObject(
             verify_tempest_config, '_get_unversioned_endpoint',
             return_value='http://fake_endpoint:5000'))
-        fake_resp = {'versions': [{'id': 'v1.0'}, {'id': 'v2.0'}]}
+        fake_resp = {'versions': [{'id': 'v2.0'}, {'id': 'v3.0'}]}
         fake_resp = json.dumps(fake_resp)
         self.useFixture(fixtures.MockPatch(
             'tempest.lib.common.http.ClosingHttp.request',
             return_value=(None, fake_resp)))
         fake_os = mock.MagicMock()
         versions = verify_tempest_config._get_api_versions(fake_os, 'cinder')
-        self.assertIn('v1.0', versions)
         self.assertIn('v2.0', versions)
+        self.assertIn('v3.0', versions)
 
     def test_get_nova_versions(self):
         self.useFixture(fixtures.MockPatchObject(
@@ -145,7 +145,7 @@
         self.assertTrue(mock_log_error.called)
 
     def test_verify_api_versions(self):
-        api_services = ['cinder', 'glance', 'keystone']
+        api_services = ['glance', 'keystone']
         fake_os = mock.MagicMock()
         for svc in api_services:
             m = 'verify_%s_api_versions' % svc
@@ -154,7 +154,7 @@
                 verify_mock.assert_called_once_with(fake_os, True)
 
     def test_verify_api_versions_not_implemented(self):
-        api_services = ['cinder', 'glance', 'keystone']
+        api_services = ['glance', 'keystone']
         fake_os = mock.MagicMock()
         for svc in api_services:
             m = 'verify_%s_api_versions' % svc
@@ -178,52 +178,6 @@
                                            'identity-feature-enabled',
                                            False, True)
 
-    @mock.patch('tempest.lib.common.http.ClosingHttp.request')
-    def test_verify_cinder_api_versions_no_v3(self, mock_request):
-        self.useFixture(fixtures.MockPatchObject(
-            verify_tempest_config, '_get_unversioned_endpoint',
-            return_value='http://fake_endpoint:5000'))
-        fake_resp = {'versions': [{'id': 'v2.0'}]}
-        fake_resp = json.dumps(fake_resp)
-        mock_request.return_value = (None, fake_resp)
-        fake_os = mock.MagicMock()
-        with mock.patch.object(verify_tempest_config,
-                               'print_and_or_update') as print_mock:
-            verify_tempest_config.verify_cinder_api_versions(fake_os, True)
-        print_mock.assert_any_call('api_v3', 'volume-feature-enabled',
-                                   False, True)
-        self.assertEqual(1, print_mock.call_count)
-
-    @mock.patch('tempest.lib.common.http.ClosingHttp.request')
-    def test_verify_cinder_api_versions_no_v2(self, mock_request):
-        self.useFixture(fixtures.MockPatchObject(
-            verify_tempest_config, '_get_unversioned_endpoint',
-            return_value='http://fake_endpoint:5000'))
-        fake_resp = {'versions': [{'id': 'v3.0'}]}
-        fake_resp = json.dumps(fake_resp)
-        mock_request.return_value = (None, fake_resp)
-        fake_os = mock.MagicMock()
-        with mock.patch.object(verify_tempest_config,
-                               'print_and_or_update') as print_mock:
-            verify_tempest_config.verify_cinder_api_versions(fake_os, True)
-        print_mock.assert_any_call('api_v2', 'volume-feature-enabled',
-                                   False, True)
-        self.assertEqual(1, print_mock.call_count)
-
-    @mock.patch('tempest.lib.common.http.ClosingHttp.request')
-    def test_verify_cinder_api_versions_no_v1(self, mock_request):
-        self.useFixture(fixtures.MockPatchObject(
-            verify_tempest_config, '_get_unversioned_endpoint',
-            return_value='http://fake_endpoint:5000'))
-        fake_resp = {'versions': [{'id': 'v2.0'}, {'id': 'v3.0'}]}
-        fake_resp = json.dumps(fake_resp)
-        mock_request.return_value = (None, fake_resp)
-        fake_os = mock.MagicMock()
-        with mock.patch.object(verify_tempest_config,
-                               'print_and_or_update') as print_mock:
-            verify_tempest_config.verify_cinder_api_versions(fake_os, True)
-        print_mock.assert_not_called()
-
     def test_verify_glance_version_no_v2_with_v1_1(self):
         # This test verifies that wrong config api_v2 = True is detected
         class FakeClient(object):
diff --git a/tempest/tests/lib/services/image/v2/test_images_client.py b/tempest/tests/lib/services/image/v2/test_images_client.py
index fe671bd..7ee61d2 100644
--- a/tempest/tests/lib/services/image/v2/test_images_client.py
+++ b/tempest/tests/lib/services/image/v2/test_images_client.py
@@ -12,7 +12,7 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import six
+import io
 
 from tempest.lib.common.utils import data_utils
 from tempest.lib.services.image.v2 import images_client
@@ -178,7 +178,7 @@
             {}, image_id="e485aab9-0907-4973-921c-bb6da8a8fcf8", status=204)
 
     def test_store_image_file(self):
-        data = six.BytesIO(data_utils.random_bytes())
+        data = io.BytesIO(data_utils.random_bytes())
 
         self.check_service_client_function(
             self.client.store_image_file,