diff --git a/tempest/api/compute/admin/test_live_migration.py b/tempest/api/compute/admin/test_live_migration.py
index b1c42a6..ead6db3 100644
--- a/tempest/api/compute/admin/test_live_migration.py
+++ b/tempest/api/compute/admin/test_live_migration.py
@@ -63,7 +63,7 @@
     def _get_host_for_server(self, server_id):
         return self._get_server_details(server_id)[self._host_key]
 
-    def _migrate_server_to(self, server_id, dest_host, volume_backed):
+    def _migrate_server_to(self, server_id, dest_host, volume_backed=False):
         block_migration = (CONF.compute_feature_enabled.
                            block_migration_for_live_migration and
                            not volume_backed)
diff --git a/tempest/api/identity/base.py b/tempest/api/identity/base.py
index 91b3105..3bcae17 100644
--- a/tempest/api/identity/base.py
+++ b/tempest/api/identity/base.py
@@ -106,8 +106,8 @@
         cls.non_admin_roles_client = cls.os.roles_client
         cls.users_client = cls.os_adm.users_client
         cls.non_admin_users_client = cls.os.users_client
-        cls.services_client = cls.os_adm.services_v2_client
-        cls.endpoints_client = cls.os_adm.endpoints_v2_client
+        cls.services_client = cls.os_adm.identity_services_client
+        cls.endpoints_client = cls.os_adm.endpoints_client
 
     @classmethod
     def resource_setup(cls):
@@ -155,9 +155,9 @@
         cls.trusts_client = cls.os_adm.trusts_client
         cls.roles_client = cls.os_adm.roles_v3_client
         cls.token = cls.os_adm.token_v3_client
-        cls.endpoints_client = cls.os_adm.endpoints_client
+        cls.endpoints_client = cls.os_adm.endpoints_v3_client
         cls.regions_client = cls.os_adm.regions_client
-        cls.services_client = cls.os_adm.identity_services_client
+        cls.services_client = cls.os_adm.identity_services_v3_client
         cls.policies_client = cls.os_adm.policies_client
         cls.creds_client = cls.os_adm.credentials_client
         cls.groups_client = cls.os_adm.groups_client
diff --git a/tempest/clients.py b/tempest/clients.py
index e88a016..f1b4e55 100644
--- a/tempest/clients.py
+++ b/tempest/clients.py
@@ -103,32 +103,24 @@
     DatabaseLimitsClient
 from tempest.services.database.json.versions_client import \
     DatabaseVersionsClient
-from tempest.services.identity.v2.json.endpoints_client import \
-    EndpointsClient as EndpointsV2Client
-from tempest.services.identity.v2.json.identity_client import \
-    IdentityClient
-from tempest.services.identity.v2.json.roles_client import \
-    RolesClient
+from tempest.services.identity.v2.json.endpoints_client import EndpointsClient
+from tempest.services.identity.v2.json.identity_client import IdentityClient
+from tempest.services.identity.v2.json.roles_client import RolesClient
 from tempest.services.identity.v2.json.services_client import \
-    ServicesClient as ServicesV2Client
-from tempest.services.identity.v2.json.tenants_client import \
-    TenantsClient
-from tempest.services.identity.v2.json.users_client import \
-    UsersClient
+    ServicesClient as IdentityServicesClient
+from tempest.services.identity.v2.json.tenants_client import TenantsClient
+from tempest.services.identity.v2.json.users_client import UsersClient
 from tempest.services.identity.v3.json.credentials_client import \
-    CredentialsClient as CredentialsV3Client
+    CredentialsClient
 from tempest.services.identity.v3.json.domains_client import DomainsClient
 from tempest.services.identity.v3.json.endpoints_client import \
-    EndPointClient as EndPointV3Client
-from tempest.services.identity.v3.json.groups_client import \
-    GroupsClient as GroupsV3Client
+    EndPointsClient as EndPointsV3Client
+from tempest.services.identity.v3.json.groups_client import GroupsClient
 from tempest.services.identity.v3.json.identity_client import \
     IdentityClient as IdentityV3Client
-from tempest.services.identity.v3.json.policies_client import \
-    PoliciesClient as PoliciesV3Client
+from tempest.services.identity.v3.json.policies_client import PoliciesClient
 from tempest.services.identity.v3.json.projects_client import ProjectsClient
-from tempest.services.identity.v3.json.regions_client import \
-    RegionsClient as RegionsV3Client
+from tempest.services.identity.v3.json.regions_client import RegionsClient
 from tempest.services.identity.v3.json.roles_client import \
     RolesClient as RolesV3Client
 from tempest.services.identity.v3.json.services_client import \
@@ -488,18 +480,16 @@
         # Clients below use the admin endpoint type of Keystone API v2
         params_v2_admin = params.copy()
         params_v2_admin['endpoint_type'] = CONF.identity.v2_admin_endpoint_type
-        self.endpoints_v2_client = EndpointsV2Client(self.auth_provider,
-                                                     **params_v2_admin)
+        self.endpoints_client = EndpointsClient(self.auth_provider,
+                                                **params_v2_admin)
         self.identity_client = IdentityClient(self.auth_provider,
                                               **params_v2_admin)
         self.tenants_client = TenantsClient(self.auth_provider,
                                             **params_v2_admin)
-        self.roles_client = RolesClient(self.auth_provider,
-                                        **params_v2_admin)
-        self.users_client = UsersClient(self.auth_provider,
-                                        **params_v2_admin)
-        self.services_v2_client = ServicesV2Client(self.auth_provider,
-                                                   **params_v2_admin)
+        self.roles_client = RolesClient(self.auth_provider, **params_v2_admin)
+        self.users_client = UsersClient(self.auth_provider, **params_v2_admin)
+        self.identity_services_client = IdentityServicesClient(
+            self.auth_provider, **params_v2_admin)
 
         # Clients below use the public endpoint type of Keystone API v2
         params_v2_public = params.copy()
@@ -521,18 +511,17 @@
                                                    **params_v3)
         self.trusts_client = TrustsClient(self.auth_provider, **params_v3)
         self.users_v3_client = UsersV3Client(self.auth_provider, **params_v3)
-        self.endpoints_client = EndPointV3Client(self.auth_provider,
-                                                 **params_v3)
+        self.endpoints_v3_client = EndPointsV3Client(self.auth_provider,
+                                                     **params_v3)
         self.roles_v3_client = RolesV3Client(self.auth_provider, **params_v3)
-        self.identity_services_client = IdentityServicesV3Client(
+        self.identity_services_v3_client = IdentityServicesV3Client(
             self.auth_provider, **params_v3)
-        self.policies_client = PoliciesV3Client(self.auth_provider,
-                                                **params_v3)
+        self.policies_client = PoliciesClient(self.auth_provider, **params_v3)
         self.projects_client = ProjectsClient(self.auth_provider, **params_v3)
-        self.regions_client = RegionsV3Client(self.auth_provider, **params_v3)
-        self.credentials_client = CredentialsV3Client(self.auth_provider,
-                                                      **params_v3)
-        self.groups_client = GroupsV3Client(self.auth_provider, **params_v3)
+        self.regions_client = RegionsClient(self.auth_provider, **params_v3)
+        self.credentials_client = CredentialsClient(self.auth_provider,
+                                                    **params_v3)
+        self.groups_client = GroupsClient(self.auth_provider, **params_v3)
 
         # Token clients do not use the catalog. They only need default_params.
         # They read auth_url, so they should only be set if the corresponding
diff --git a/tempest/common/compute.py b/tempest/common/compute.py
index b14012e..2fbd1b2 100644
--- a/tempest/common/compute.py
+++ b/tempest/common/compute.py
@@ -17,9 +17,9 @@
 from oslo_utils import excutils
 
 from tempest.common import fixed_network
-from tempest.common import service_client
 from tempest.common import waiters
 from tempest import config
+from tempest.lib.common import rest_client
 from tempest.lib.common.utils import data_utils
 
 CONF = config.CONF
@@ -129,7 +129,7 @@
         servers = \
             [s for s in body_servers['servers'] if s['name'].startswith(name)]
     else:
-        body = service_client.ResponseBody(body.response, body['server'])
+        body = rest_client.ResponseBody(body.response, body['server'])
         servers = [body]
 
     # The name of the method to associate a floating IP to as server is too
diff --git a/tempest/common/negative_rest_client.py b/tempest/common/negative_rest_client.py
index d97411c..3495a24 100644
--- a/tempest/common/negative_rest_client.py
+++ b/tempest/common/negative_rest_client.py
@@ -15,30 +15,19 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from tempest.common import service_client
 from tempest import config
+from tempest.lib.common import rest_client
 
 CONF = config.CONF
 
 
-class NegativeRestClient(service_client.ServiceClient):
+class NegativeRestClient(rest_client.RestClient):
     """Version of RestClient that does not raise exceptions."""
-    def __init__(self, auth_provider, service,
-                 build_interval=None, build_timeout=None,
-                 disable_ssl_certificate_validation=None,
-                 ca_certs=None, trace_requests=None):
+    def __init__(self, auth_provider, service, **kwargs):
         region, endpoint_type = self._get_region_and_endpoint_type(service)
         super(NegativeRestClient, self).__init__(
-            auth_provider,
-            service,
-            region,
-            endpoint_type=endpoint_type,
-            build_interval=build_interval,
-            build_timeout=build_timeout,
-            disable_ssl_certificate_validation=(
-                disable_ssl_certificate_validation),
-            ca_certs=ca_certs,
-            trace_requests=trace_requests)
+            auth_provider, service, region, endpoint_type=endpoint_type,
+            **kwargs)
 
     def _get_region_and_endpoint_type(self, service):
         """Returns the region for a specific service"""
diff --git a/tempest/common/service_client.py b/tempest/common/service_client.py
deleted file mode 100644
index 14a3bd6..0000000
--- a/tempest/common/service_client.py
+++ /dev/null
@@ -1,84 +0,0 @@
-# Copyright 2015 NEC Corporation.  All rights reserved.
-#
-#    Licensed under the Apache License, Version 2.0 (the "License"); you may
-#    not use this file except in compliance with the License. You may obtain
-#    a copy of the License at
-#
-#         http://www.apache.org/licenses/LICENSE-2.0
-#
-#    Unless required by applicable law or agreed to in writing, software
-#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
-#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
-#    License for the specific language governing permissions and limitations
-#    under the License.
-
-from tempest.lib.common import rest_client
-
-
-class ServiceClient(rest_client.RestClient):
-
-    def __init__(self, auth_provider, service, region,
-                 endpoint_type=None, build_interval=None, build_timeout=None,
-                 disable_ssl_certificate_validation=None, ca_certs=None,
-                 trace_requests=None):
-
-        dscv = disable_ssl_certificate_validation
-        params = {
-            'disable_ssl_certificate_validation': dscv,
-            'ca_certs': ca_certs,
-            'trace_requests': trace_requests
-        }
-
-        if endpoint_type is not None:
-            params.update({'endpoint_type': endpoint_type})
-        if build_interval is not None:
-            params.update({'build_interval': build_interval})
-        if build_timeout is not None:
-            params.update({'build_timeout': build_timeout})
-        super(ServiceClient, self).__init__(auth_provider, service, region,
-                                            **params)
-
-
-class ResponseBody(dict):
-    """Class that wraps an http response and dict body into a single value.
-
-    Callers that receive this object will normally use it as a dict but
-    can extract the response if needed.
-    """
-
-    def __init__(self, response, body=None):
-        body_data = body or {}
-        self.update(body_data)
-        self.response = response
-
-    def __str__(self):
-        body = super(ResponseBody, self).__str__()
-        return "response: %s\nBody: %s" % (self.response, body)
-
-
-class ResponseBodyData(object):
-    """Class that wraps an http response and string data into a single value"""
-
-    def __init__(self, response, data):
-        self.response = response
-        self.data = data
-
-    def __str__(self):
-        return "response: %s\nBody: %s" % (self.response, self.data)
-
-
-class ResponseBodyList(list):
-    """Class that wraps an http response and list body into a single value.
-
-    Callers that receive this object will normally use it as a list but
-    can extract the response if needed.
-    """
-
-    def __init__(self, response, body=None):
-        body_data = body or []
-        self.extend(body_data)
-        self.response = response
-
-    def __str__(self):
-        body = super(ResponseBodyList, self).__str__()
-        return "response: %s\nBody: %s" % (self.response, body)
diff --git a/tempest/services/identity/v3/json/endpoints_client.py b/tempest/services/identity/v3/json/endpoints_client.py
index c83212f..db30508 100644
--- a/tempest/services/identity/v3/json/endpoints_client.py
+++ b/tempest/services/identity/v3/json/endpoints_client.py
@@ -22,7 +22,7 @@
 from tempest.lib.common import rest_client
 
 
-class EndPointClient(rest_client.RestClient):
+class EndPointsClient(rest_client.RestClient):
     api_version = "v3"
 
     def list_endpoints(self):
diff --git a/tempest/tests/common/test_dynamic_creds.py b/tempest/tests/common/test_dynamic_creds.py
index 059269e..d625284 100644
--- a/tempest/tests/common/test_dynamic_creds.py
+++ b/tempest/tests/common/test_dynamic_creds.py
@@ -18,9 +18,9 @@
 
 from tempest.common import credentials_factory as credentials
 from tempest.common import dynamic_creds
-from tempest.common import service_client
 from tempest import config
 from tempest import exceptions
+from tempest.lib.common import rest_client
 from tempest.lib.services.identity.v2 import token_client as json_token_client
 from tempest.services.identity.v2.json import identity_client as \
     json_iden_client
@@ -74,7 +74,7 @@
         user_fix = self.useFixture(mockpatch.PatchObject(
             json_users_client.UsersClient,
             'create_user',
-            return_value=(service_client.ResponseBody
+            return_value=(rest_client.ResponseBody
                           (200, {'user': {'id': id, 'name': name}}))))
         return user_fix
 
@@ -82,7 +82,7 @@
         tenant_fix = self.useFixture(mockpatch.PatchObject(
             json_tenants_client.TenantsClient,
             'create_tenant',
-            return_value=(service_client.ResponseBody
+            return_value=(rest_client.ResponseBody
                           (200, {'tenant': {'id': id, 'name': name}}))))
         return tenant_fix
 
@@ -90,7 +90,7 @@
         roles_fix = self.useFixture(mockpatch.PatchObject(
             json_roles_client.RolesClient,
             'list_roles',
-            return_value=(service_client.ResponseBody
+            return_value=(rest_client.ResponseBody
                           (200,
                            {'roles': [{'id': id, 'name': name},
                             {'id': '1', 'name': 'FakeRole'},
@@ -101,7 +101,7 @@
         roles_fix = self.useFixture(mockpatch.PatchObject(
             json_roles_client.RolesClient,
             'list_roles',
-            return_value=(service_client.ResponseBody
+            return_value=(rest_client.ResponseBody
                           (200,
                            {'roles': [{'id': '1234', 'name': 'role1'},
                             {'id': '1', 'name': 'FakeRole'},
@@ -112,7 +112,7 @@
         tenant_fix = self.useFixture(mockpatch.PatchObject(
             json_roles_client.RolesClient,
             'assign_user_role',
-            return_value=(service_client.ResponseBody
+            return_value=(rest_client.ResponseBody
                           (200, {}))))
         return tenant_fix
 
@@ -120,7 +120,7 @@
         roles_fix = self.useFixture(mockpatch.PatchObject(
             json_roles_client.RolesClient,
             'list_roles',
-            return_value=(service_client.ResponseBody
+            return_value=(rest_client.ResponseBody
                           (200, {'roles': [{'id': '1',
                                  'name': 'FakeRole'}]}))))
         return roles_fix
@@ -129,7 +129,7 @@
         ec2_creds_fix = self.useFixture(mockpatch.PatchObject(
             json_users_client.UsersClient,
             'list_user_ec2_credentials',
-            return_value=(service_client.ResponseBody
+            return_value=(rest_client.ResponseBody
                           (200, {'credentials': [{
                                  'access': 'fake_access',
                                  'secret': 'fake_secret',