diff --git a/tcp_tests/tests/environment/conftest.py b/tcp_tests/tests/environment/conftest.py
index 50ab685..47ca68a 100644
--- a/tcp_tests/tests/environment/conftest.py
+++ b/tcp_tests/tests/environment/conftest.py
@@ -12,14 +12,14 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from tcp_tests.fixtures.common_fixtures import *
-from tcp_tests.fixtures.config_fixtures import *
-from tcp_tests.fixtures.underlay_fixtures import *
-from tcp_tests.fixtures.rally_fixtures import *
-from tcp_tests.fixtures.salt_fixtures import *
-from tcp_tests.fixtures.common_services_fixtures import *
-from tcp_tests.fixtures.openstack_fixtures import *
-from tcp_tests.fixtures.opencontrail_fixtures import *
+from tcp_tests.fixtures.common_fixtures import *  # noqa
+from tcp_tests.fixtures.config_fixtures import *  # noqa
+from tcp_tests.fixtures.underlay_fixtures import *  # noqa
+from tcp_tests.fixtures.rally_fixtures import *  # noqa
+from tcp_tests.fixtures.salt_fixtures import *  # noqa
+from tcp_tests.fixtures.common_services_fixtures import *  # noqa
+from tcp_tests.fixtures.openstack_fixtures import *  # noqa
+from tcp_tests.fixtures.opencontrail_fixtures import *  # noqa
 
 __all__ = sorted([  # sort for documentation
     # common_fixtures
diff --git a/tcp_tests/tests/environment/test_ironic_standalone.py b/tcp_tests/tests/environment/test_ironic_standalone.py
index c119bbc..2a76e9f 100644
--- a/tcp_tests/tests/environment/test_ironic_standalone.py
+++ b/tcp_tests/tests/environment/test_ironic_standalone.py
@@ -11,14 +11,9 @@
 #    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 #    License for the specific language governing permissions and limitations
 #    under the License.
-import copy
-import os
-import time
 
 import pytest
 
-from tcp_tests import settings
-from tcp_tests.helpers import ext
 from tcp_tests import logger
 
 LOG = logger.logger