diff --git a/tempest/api/compute/base.py b/tempest/api/compute/base.py
index ef13eef..1736463 100644
--- a/tempest/api/compute/base.py
+++ b/tempest/api/compute/base.py
@@ -94,10 +94,7 @@
             cls.os.security_group_default_rules_client)
         cls.versions_client = cls.os.compute_versions_client
 
-        if CONF.volume_feature_enabled.api_v1:
-            cls.volumes_client = cls.os.volumes_client
-        else:
-            cls.volumes_client = cls.os.volumes_v2_client
+        cls.volumes_client = cls.os.volumes_v2_client
 
     @classmethod
     def resource_setup(cls):
diff --git a/tempest/api/compute/security_groups/test_security_group_rules.py b/tempest/api/compute/security_groups/test_security_group_rules.py
index b82fa3b..a50933b 100644
--- a/tempest/api/compute/security_groups/test_security_group_rules.py
+++ b/tempest/api/compute/security_groups/test_security_group_rules.py
@@ -14,12 +14,9 @@
 #    under the License.
 
 from tempest.api.compute.security_groups import base
-from tempest import config
 from tempest.lib import decorators
 from tempest import test
 
-CONF = config.CONF
-
 
 class SecurityGroupRulesTestJSON(base.BaseSecurityGroupsTest):
 
diff --git a/tempest/api/compute/volumes/test_attach_volume.py b/tempest/api/compute/volumes/test_attach_volume.py
index 73c7614..b0a6622 100644
--- a/tempest/api/compute/volumes/test_attach_volume.py
+++ b/tempest/api/compute/volumes/test_attach_volume.py
@@ -13,7 +13,6 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from oslo_log import log as logging
 import testtools
 
 from tempest.api.compute import base
@@ -25,8 +24,6 @@
 
 CONF = config.CONF
 
-LOG = logging.getLogger(__name__)
-
 
 class AttachVolumeTestJSON(base.BaseV2ComputeTest):
     max_microversion = '2.19'
@@ -65,6 +62,20 @@
         # Stop and Start a server with an attached volume, ensuring that
         # the volume remains attached.
         server = self._create_server()
+
+        # NOTE(andreaf) Create one remote client used throughout the test.
+        if CONF.validation.run_validation:
+            linux_client = remote_client.RemoteClient(
+                self.get_server_ip(server),
+                self.image_ssh_user,
+                self.image_ssh_password,
+                self.validation_resources['keypair']['private_key'],
+                server=server,
+                servers_client=self.servers_client)
+            # NOTE(andreaf) We need to ensure the ssh key has been
+            # injected in the guest before we power cycle
+            linux_client.validate_authentication()
+
         volume = self.create_volume()
         attachment = self.attach_volume(server, volume,
                                         device=('/dev/%s' % self.device))
@@ -78,14 +89,6 @@
                                        'ACTIVE')
 
         if CONF.validation.run_validation:
-            linux_client = remote_client.RemoteClient(
-                self.get_server_ip(server),
-                self.image_ssh_user,
-                self.image_ssh_password,
-                self.validation_resources['keypair']['private_key'],
-                server=server,
-                servers_client=self.servers_client)
-
             disks = linux_client.get_disks()
             device_name_to_match = '\n' + self.device + ' '
             self.assertIn(device_name_to_match, disks)
@@ -103,14 +106,6 @@
                                        'ACTIVE')
 
         if CONF.validation.run_validation:
-            linux_client = remote_client.RemoteClient(
-                self.get_server_ip(server),
-                self.image_ssh_user,
-                self.image_ssh_password,
-                self.validation_resources['keypair']['private_key'],
-                server=server,
-                servers_client=self.servers_client)
-
             disks = linux_client.get_disks()
             self.assertNotIn(device_name_to_match, disks)
 
diff --git a/tempest/api/orchestration/base.py b/tempest/api/orchestration/base.py
index 4e17c3d..8d3d344 100644
--- a/tempest/api/orchestration/base.py
+++ b/tempest/api/orchestration/base.py
@@ -47,13 +47,8 @@
         cls.servers_client = cls.os.servers_client
         cls.keypairs_client = cls.os.keypairs_client
         cls.networks_client = cls.os.networks_client
-        cls.volumes_client = cls.os.volumes_client
         cls.images_v2_client = cls.os.image_client_v2
-
-        if CONF.volume_feature_enabled.api_v2:
-            cls.volumes_client = cls.os.volumes_v2_client
-        else:
-            cls.volumes_client = cls.os.volumes_client
+        cls.volumes_client = cls.os.volumes_v2_client
 
     @classmethod
     def resource_setup(cls):
diff --git a/tempest/api/orchestration/stacks/test_volumes.py b/tempest/api/orchestration/stacks/test_volumes.py
index 86323e1..7ddf7af 100644
--- a/tempest/api/orchestration/stacks/test_volumes.py
+++ b/tempest/api/orchestration/stacks/test_volumes.py
@@ -35,18 +35,10 @@
         self.assertEqual('available', volume.get('status'))
         self.assertEqual(CONF.volume.volume_size, volume.get('size'))
 
-        # Some volume properties have been renamed with Cinder v2
-        if CONF.volume_feature_enabled.api_v2:
-            description_field = 'description'
-            name_field = 'name'
-        else:
-            description_field = 'display_description'
-            name_field = 'display_name'
-
         self.assertEqual(template['resources']['volume']['properties'][
-            'description'], volume.get(description_field))
+            'description'], volume.get('description'))
         self.assertEqual(template['resources']['volume']['properties'][
-            'name'], volume.get(name_field))
+            'name'], volume.get('name'))
 
     def _outputs_verify(self, stack_identifier, template):
         self.assertEqual('available',
diff --git a/tempest/api/volume/admin/test_volume_services.py b/tempest/api/volume/admin/test_volume_services.py
index 2088a44..a595462 100644
--- a/tempest/api/volume/admin/test_volume_services.py
+++ b/tempest/api/volume/admin/test_volume_services.py
@@ -13,13 +13,9 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 from tempest.api.volume import base
-from tempest import config
 from tempest.lib import decorators
 
 
-CONF = config.CONF
-
-
 def _get_host(host):
     return host.split('@')[0]
 
diff --git a/tempest/common/compute.py b/tempest/common/compute.py
index b2667e5..dcf0de9 100644
--- a/tempest/common/compute.py
+++ b/tempest/common/compute.py
@@ -132,11 +132,7 @@
     if volume_backed:
         volume_name = data_utils.rand_name(__name__ + '-volume')
         volumes_client = clients.volumes_v2_client
-        name_field = 'name'
-        if not CONF.volume_feature_enabled.api_v2:
-            volumes_client = clients.volumes_client
-            name_field = 'display_name'
-        params = {name_field: volume_name,
+        params = {'name': volume_name,
                   'imageRef': image_id,
                   'size': CONF.volume.volume_size}
         volume = volumes_client.create_volume(**params)
diff --git a/tempest/scenario/manager.py b/tempest/scenario/manager.py
index cd2881b..c1270c7 100644
--- a/tempest/scenario/manager.py
+++ b/tempest/scenario/manager.py
@@ -1241,14 +1241,9 @@
     @classmethod
     def setup_clients(cls):
         super(EncryptionScenarioTest, cls).setup_clients()
-        if CONF.volume_feature_enabled.api_v2:
-            cls.admin_volume_types_client = cls.os_adm.volume_types_v2_client
-            cls.admin_encryption_types_client =\
-                cls.os_adm.encryption_types_v2_client
-        else:
-            cls.admin_volume_types_client = cls.os_adm.volume_types_client
-            cls.admin_encryption_types_client =\
-                cls.os_adm.encryption_types_client
+        cls.admin_volume_types_client = cls.os_adm.volume_types_v2_client
+        cls.admin_encryption_types_client =\
+            cls.os_adm.encryption_types_v2_client
 
     def create_encryption_type(self, client=None, type_id=None, provider=None,
                                key_size=None, cipher=None,
diff --git a/tempest/scenario/test_volume_migrate_attached.py b/tempest/scenario/test_volume_migrate_attached.py
index f580ea6..f04947c 100644
--- a/tempest/scenario/test_volume_migrate_attached.py
+++ b/tempest/scenario/test_volume_migrate_attached.py
@@ -40,10 +40,7 @@
     @classmethod
     def setup_clients(cls):
         super(TestVolumeMigrateRetypeAttached, cls).setup_clients()
-        if CONF.volume_feature_enabled.api_v1:
-            cls.admin_volume_types_client = cls.os_adm.volume_types_client
-        else:
-            cls.admin_volume_types_client = cls.os_adm.volume_types_v2_client
+        cls.admin_volume_types_client = cls.os_adm.volume_types_v2_client
 
     @classmethod
     def skip_checks(cls):