diff --git a/tempest/api/compute/admin/test_live_migration.py b/tempest/api/compute/admin/test_live_migration.py
index 39797f7..3ffd238 100644
--- a/tempest/api/compute/admin/test_live_migration.py
+++ b/tempest/api/compute/admin/test_live_migration.py
@@ -45,7 +45,6 @@
     def setup_clients(cls):
         super(LiveBlockMigrationTestJSON, cls).setup_clients()
         cls.admin_hosts_client = cls.os_adm.hosts_client
-        cls.admin_servers_client = cls.os_adm.servers_client
         cls.admin_migration_client = cls.os_adm.migrations_client
 
     @classmethod
diff --git a/tempest/api/compute/admin/test_migrations.py b/tempest/api/compute/admin/test_migrations.py
index 21f5c68..aa75348 100644
--- a/tempest/api/compute/admin/test_migrations.py
+++ b/tempest/api/compute/admin/test_migrations.py
@@ -31,7 +31,6 @@
         super(MigrationsAdminTest, cls).setup_clients()
         cls.client = cls.os_adm.migrations_client
         cls.flavors_admin_client = cls.os_adm.flavors_client
-        cls.admin_servers_client = cls.os_adm.servers_client
 
     @decorators.idempotent_id('75c0b83d-72a0-4cf8-a153-631e83e7d53f')
     def test_list_migrations(self):
diff --git a/tempest/api/compute/admin/test_volume_swap.py b/tempest/api/compute/admin/test_volume_swap.py
index 5f2444a..e4f4846 100644
--- a/tempest/api/compute/admin/test_volume_swap.py
+++ b/tempest/api/compute/admin/test_volume_swap.py
@@ -38,12 +38,6 @@
         if not CONF.compute_feature_enabled.swap_volume:
             raise cls.skipException("Swapping volumes is not supported.")
 
-    @classmethod
-    def setup_clients(cls):
-        super(TestVolumeSwap, cls).setup_clients()
-        # We need the admin client for performing the update (swap) volume call
-        cls.servers_admin_client = cls.os_adm.servers_client
-
     @decorators.idempotent_id('1769f00d-a693-4d67-a631-6a3496773813')
     @test.services('volume')
     def test_volume_swap(self):
@@ -58,7 +52,7 @@
         # Attach "volume1" to server
         self.attach_volume(server, volume1)
         # Swap volume from "volume1" to "volume2"
-        self.servers_admin_client.update_attached_volume(
+        self.admin_servers_client.update_attached_volume(
             server['id'], volume1['id'], volumeId=volume2['id'])
         waiters.wait_for_volume_status(self.volumes_client,
                                        volume1['id'], 'available')
diff --git a/tempest/api/compute/admin/test_volumes_negative.py b/tempest/api/compute/admin/test_volumes_negative.py
index 1f85c18..ecb9092 100644
--- a/tempest/api/compute/admin/test_volumes_negative.py
+++ b/tempest/api/compute/admin/test_volumes_negative.py
@@ -32,11 +32,6 @@
             raise cls.skipException(skip_msg)
 
     @classmethod
-    def setup_clients(cls):
-        super(VolumesAdminNegativeTest, cls).setup_clients()
-        cls.servers_admin_client = cls.os_adm.servers_client
-
-    @classmethod
     def resource_setup(cls):
         super(VolumesAdminNegativeTest, cls).resource_setup()
         cls.server = cls.create_test_server(wait_until='ACTIVE')
@@ -46,7 +41,7 @@
         volume = self.create_volume()
         nonexistent_volume = data_utils.rand_uuid()
         self.assertRaises(lib_exc.NotFound,
-                          self.servers_admin_client.update_attached_volume,
+                          self.admin_servers_client.update_attached_volume,
                           self.server['id'], nonexistent_volume,
                           volumeId=volume['id'])
 
@@ -58,6 +53,6 @@
 
         nonexistent_volume = data_utils.rand_uuid()
         self.assertRaises(lib_exc.BadRequest,
-                          self.servers_admin_client.update_attached_volume,
+                          self.admin_servers_client.update_attached_volume,
                           self.server['id'], volume['id'],
                           volumeId=nonexistent_volume)
diff --git a/tempest/api/compute/base.py b/tempest/api/compute/base.py
index c636894..df03b97 100644
--- a/tempest/api/compute/base.py
+++ b/tempest/api/compute/base.py
@@ -468,6 +468,7 @@
         cls.availability_zone_admin_client = (
             cls.os_adm.availability_zone_client)
         cls.admin_flavors_client = cls.os_adm.flavors_client
+        cls.admin_servers_client = cls.os_adm.servers_client
 
     def create_flavor(self, ram, vcpus, disk, name=None,
                       is_public='True', **kwargs):
diff --git a/tempest/api/compute/test_live_block_migration_negative.py b/tempest/api/compute/test_live_block_migration_negative.py
index 40d0746..01fd9ef 100644
--- a/tempest/api/compute/test_live_block_migration_negative.py
+++ b/tempest/api/compute/test_live_block_migration_negative.py
@@ -31,11 +31,6 @@
         if not CONF.compute_feature_enabled.live_migration:
             raise cls.skipException("Live migration is not enabled")
 
-    @classmethod
-    def setup_clients(cls):
-        super(LiveBlockMigrationNegativeTestJSON, cls).setup_clients()
-        cls.admin_servers_client = cls.os_adm.servers_client
-
     def _migrate_server_to(self, server_id, dest_host):
         bmflm = CONF.compute_feature_enabled.block_migration_for_live_migration
         self.admin_servers_client.live_migrate_server(