diff --git a/tempest/scenario/test_large_ops.py b/tempest/scenario/test_large_ops.py
index 671c3e9..a7ea70f 100644
--- a/tempest/scenario/test_large_ops.py
+++ b/tempest/scenario/test_large_ops.py
@@ -25,7 +25,7 @@
 LOG = logging.getLogger(__name__)
 
 
-class TestLargeOpsScenario(manager.OfficialClientTest):
+class TestLargeOpsScenario(manager.ScenarioTest):
 
     """
     Test large operations.
@@ -44,29 +44,34 @@
 
     def _wait_for_server_status(self, status):
         for server in self.servers:
-            self.status_timeout(
-                self.compute_client.servers, server.id, status)
+            self.servers_client.wait_for_server_status(server['id'], status)
 
     def nova_boot(self):
         name = data_utils.rand_name('scenario-server-')
-        client = self.compute_client
         flavor_id = CONF.compute.flavor_ref
-        secgroup = self._create_security_group_nova()
-        self.servers = client.servers.create(
-            name=name, image=self.image,
-            flavor=flavor_id,
+        secgroup = self._create_security_group()
+        self.servers_client.create_server(
+            name,
+            self.image,
+            flavor_id,
             min_count=CONF.scenario.large_ops_number,
-            security_groups=[secgroup.name])
+            security_groups=[secgroup])
         # needed because of bug 1199788
-        self.servers = [x for x in client.servers.list() if name in x.name]
+        params = {'name': name}
+        _, server_list = self.servers_client.list_servers(params)
+        self.servers = server_list['servers']
         for server in self.servers:
             # after deleting all servers - wait for all servers to clear
             # before cleanup continues
-            self.addCleanup(self.delete_timeout,
-                            self.compute_client.servers,
-                            server.id)
+            self.addCleanup(self.servers_client.wait_for_server_termination,
+                            server['id'])
         for server in self.servers:
-            self.addCleanup_with_wait(self.compute_client.servers, server.id)
+            self.addCleanup_with_wait(
+                waiter_callable=(self.servers_client.
+                                 wait_for_server_termination),
+                thing_id=server['id'], thing_id_param='server_id',
+                cleanup_callable=self.delete_wrapper,
+                cleanup_args=[self.servers_client.delete_server, server['id']])
         self._wait_for_server_status('ACTIVE')
 
     def _large_ops_scenario(self):