diff --git a/tempest/api/baremetal/base.py b/tempest/api/baremetal/base.py
index ec87321..2e745f8 100644
--- a/tempest/api/baremetal/base.py
+++ b/tempest/api/baremetal/base.py
@@ -14,9 +14,12 @@
 
 from tempest import clients
 from tempest.common.utils import data_utils
+from tempest import config
 from tempest import exceptions as exc
 from tempest import test
 
+CONF = config.CONF
+
 
 def creates(resource):
     """Decorator that adds resources to the appropriate cleanup list."""
@@ -42,7 +45,7 @@
     def setUpClass(cls):
         super(BaseBaremetalTest, cls).setUpClass()
 
-        if not cls.config.service_available.ironic:
+        if not CONF.service_available.ironic:
             skip_msg = ('%s skipped as Ironic is not available' % cls.__name__)
             raise cls.skipException(skip_msg)
 
diff --git a/tempest/api/object_storage/base.py b/tempest/api/object_storage/base.py
index 41f23b3..0eedea1 100644
--- a/tempest/api/object_storage/base.py
+++ b/tempest/api/object_storage/base.py
@@ -18,9 +18,12 @@
 from tempest import clients
 from tempest.common import custom_matchers
 from tempest.common import isolated_creds
+from tempest import config
 from tempest import exceptions
 import tempest.test
 
+CONF = config.CONF
+
 
 class BaseObjectTest(tempest.test.BaseTestCase):
 
@@ -28,12 +31,12 @@
     def setUpClass(cls):
         cls.set_network_resources()
         super(BaseObjectTest, cls).setUpClass()
-        if not cls.config.service_available.swift:
+        if not CONF.service_available.swift:
             skip_msg = ("%s skipped as swift is not available" % cls.__name__)
             raise cls.skipException(skip_msg)
         cls.isolated_creds = isolated_creds.IsolatedCreds(
             cls.__name__, network_resources=cls.network_resources)
-        if cls.config.compute.allow_tenant_isolation:
+        if CONF.compute.allow_tenant_isolation:
             # Get isolated creds for normal user
             creds = cls.isolated_creds.get_primary_creds()
             username, tenant_name, password = creds
@@ -82,7 +85,7 @@
     def _assign_member_role(cls):
         primary_user = cls.isolated_creds.get_primary_user()
         alt_user = cls.isolated_creds.get_alt_user()
-        swift_role = cls.config.object_storage.operator_role
+        swift_role = CONF.object_storage.operator_role
         try:
             resp, roles = cls.os_admin.identity_client.list_roles()
             role = next(r for r in roles if r['name'] == swift_role)
diff --git a/tempest/api/object_storage/test_container_sync.py b/tempest/api/object_storage/test_container_sync.py
index 32bbcbd..207fced 100644
--- a/tempest/api/object_storage/test_container_sync.py
+++ b/tempest/api/object_storage/test_container_sync.py
@@ -18,9 +18,13 @@
 
 from tempest.api.object_storage import base
 from tempest.common.utils import data_utils
+from tempest import config
 from tempest.test import attr
 from tempest.test import HTTP_SUCCESS
 
+CONF = config.CONF
+
+
 # This test can be quite long to run due to its
 # dependency on container-sync process running interval.
 # You can obviously reduce the container-sync interval in the
@@ -40,9 +44,9 @@
 
         # Must be configure according to container-sync interval
         container_sync_timeout = \
-            int(cls.config.object_storage.container_sync_timeout)
+            int(CONF.object_storage.container_sync_timeout)
         cls.container_sync_interval = \
-            int(cls.config.object_storage.container_sync_interval)
+            int(CONF.object_storage.container_sync_interval)
         cls.attempts = \
             int(container_sync_timeout / cls.container_sync_interval)
 
diff --git a/tempest/api/orchestration/base.py b/tempest/api/orchestration/base.py
index b69cc49..3424082 100644
--- a/tempest/api/orchestration/base.py
+++ b/tempest/api/orchestration/base.py
@@ -12,9 +12,11 @@
 
 from tempest import clients
 from tempest.common.utils import data_utils
+from tempest import config
 from tempest.openstack.common import log as logging
 import tempest.test
 
+CONF = config.CONF
 
 LOG = logging.getLogger(__name__)
 
@@ -26,12 +28,10 @@
     def setUpClass(cls):
         super(BaseOrchestrationTest, cls).setUpClass()
         os = clients.OrchestrationManager()
-        cls.orchestration_cfg = os.config.orchestration
-        cls.compute_cfg = os.config.compute
-        if not os.config.service_available.heat:
+        if not CONF.service_available.heat:
             raise cls.skipException("Heat support is required")
-        cls.build_timeout = cls.orchestration_cfg.build_timeout
-        cls.build_interval = cls.orchestration_cfg.build_interval
+        cls.build_timeout = CONF.orchestration.build_timeout
+        cls.build_interval = CONF.orchestration.build_interval
 
         cls.os = os
         cls.orchestration_client = os.orchestration_client
@@ -45,7 +45,7 @@
     def _get_default_network(cls):
         resp, networks = cls.network_client.list_networks()
         for net in networks['networks']:
-            if net['name'] == cls.compute_cfg.fixed_network_name:
+            if net['name'] == CONF.compute.fixed_network_name:
                 return net
 
     @classmethod
@@ -58,16 +58,6 @@
         return admin_client
 
     @classmethod
-    def _get_client_args(cls):
-
-        return (
-            cls.config,
-            cls.config.identity.admin_username,
-            cls.config.identity.admin_password,
-            cls.config.identity.uri
-        )
-
-    @classmethod
     def create_stack(cls, stack_name, template_data, parameters={}):
         resp, body = cls.client.create_stack(
             stack_name,
diff --git a/tempest/api/orchestration/stacks/test_limits.py b/tempest/api/orchestration/stacks/test_limits.py
index 2b5bd8f..22f544d 100644
--- a/tempest/api/orchestration/stacks/test_limits.py
+++ b/tempest/api/orchestration/stacks/test_limits.py
@@ -14,9 +14,11 @@
 
 from tempest.api.orchestration import base
 from tempest.common.utils import data_utils
+from tempest import config
 from tempest import exceptions
 from tempest.test import attr
 
+CONF = config.CONF
 
 LOG = logging.getLogger(__name__)
 
@@ -32,7 +34,7 @@
 
     @attr(type='gate')
     def test_exceed_max_template_size_fails(self):
-        fill = 'A' * self.orchestration_cfg.max_template_size
+        fill = 'A' * CONF.orchestration.max_template_size
         template = '''
 HeatTemplateFormatVersion: '2012-12-12'
 Description: '%s'
diff --git a/tempest/api/orchestration/stacks/test_neutron_resources.py b/tempest/api/orchestration/stacks/test_neutron_resources.py
index bed72c8..243c3ce 100644
--- a/tempest/api/orchestration/stacks/test_neutron_resources.py
+++ b/tempest/api/orchestration/stacks/test_neutron_resources.py
@@ -16,8 +16,10 @@
 from tempest.api.orchestration import base
 from tempest import clients
 from tempest.common.utils import data_utils
+from tempest import config
 from tempest.test import attr
 
+CONF = config.CONF
 
 LOG = logging.getLogger(__name__)
 
@@ -91,16 +93,15 @@
     @classmethod
     def setUpClass(cls):
         super(NeutronResourcesTestJSON, cls).setUpClass()
-        if not cls.orchestration_cfg.image_ref:
+        if not CONF.orchestration.image_ref:
             raise cls.skipException("No image available to test")
         cls.client = cls.orchestration_client
         os = clients.Manager()
-        cls.network_cfg = os.config.network
-        if not cls.config.service_available.neutron:
+        if not CONF.service_available.neutron:
             raise cls.skipException("Neutron support is required")
         cls.network_client = os.network_client
         cls.stack_name = data_utils.rand_name('heat')
-        cls.keypair_name = (cls.orchestration_cfg.keypair_name or
+        cls.keypair_name = (CONF.orchestration.keypair_name or
                             cls._create_keypair()['name'])
         cls.external_router_id = cls._get_external_router_id()
 
@@ -110,8 +111,8 @@
             cls.template,
             parameters={
                 'KeyName': cls.keypair_name,
-                'InstanceType': cls.orchestration_cfg.instance_type,
-                'ImageId': cls.orchestration_cfg.image_ref,
+                'InstanceType': CONF.orchestration.instance_type,
+                'ImageId': CONF.orchestration.image_ref,
                 'ExternalRouterId': cls.external_router_id
             })
         cls.stack_id = cls.stack_identifier.split('/')[1]
diff --git a/tempest/api/orchestration/stacks/test_server_cfn_init.py b/tempest/api/orchestration/stacks/test_server_cfn_init.py
index 2ef629f..4267c1d 100644
--- a/tempest/api/orchestration/stacks/test_server_cfn_init.py
+++ b/tempest/api/orchestration/stacks/test_server_cfn_init.py
@@ -125,13 +125,13 @@
     @classmethod
     def setUpClass(cls):
         super(ServerCfnInitTestJSON, cls).setUpClass()
-        if not cls.orchestration_cfg.image_ref:
+        if not CONF.orchestration.image_ref:
             raise cls.skipException("No image available to test")
         cls.client = cls.orchestration_client
 
         stack_name = data_utils.rand_name('heat')
-        if cls.orchestration_cfg.keypair_name:
-            keypair_name = cls.orchestration_cfg.keypair_name
+        if CONF.orchestration.keypair_name:
+            keypair_name = CONF.orchestration.keypair_name
         else:
             cls.keypair = cls._create_keypair()
             keypair_name = cls.keypair['name']
@@ -142,8 +142,8 @@
             cls.template,
             parameters={
                 'key_name': keypair_name,
-                'flavor': cls.orchestration_cfg.instance_type,
-                'image': cls.orchestration_cfg.image_ref,
+                'flavor': CONF.orchestration.instance_type,
+                'image': CONF.orchestration.image_ref,
                 'network': cls._get_default_network()['id']
             })