diff --git a/karbor/api/openstack/__init__.py b/karbor/api/openstack/__init__.py
index 7d5cf6a9..fd7d1792 100644
--- a/karbor/api/openstack/__init__.py
+++ b/karbor/api/openstack/__init__.py
@@ -18,13 +18,9 @@
 WSGI middleware for OpenStack API controllers.
 """
 
-from oslo_log import log as logging
 import routes
 
 
-LOG = logging.getLogger(__name__)
-
-
 class APIMapper(routes.Mapper):
     def routematch(self, url=None, environ=None):
         if url is "":
diff --git a/karbor/api/versions.py b/karbor/api/versions.py
index b9619152..3d93b7e4 100644
--- a/karbor/api/versions.py
+++ b/karbor/api/versions.py
@@ -12,15 +12,11 @@
 
 import httplib
 from karbor.api.openstack import wsgi
-from oslo_log import log as logging
 import webob.dec
 
 from oslo_serialization import jsonutils
 
 
-LOG = logging.getLogger(__name__)
-
-
 class Versions(object):
 
     @classmethod
diff --git a/karbor/context.py b/karbor/context.py
index c0a565f6..375cf922 100644
--- a/karbor/context.py
+++ b/karbor/context.py
@@ -18,7 +18,6 @@ import copy
 
 from oslo_config import cfg
 from oslo_context import context
-from oslo_log import log as logging
 from oslo_utils import timeutils
 import six
 
@@ -27,8 +26,6 @@ from karbor import policy
 
 CONF = cfg.CONF
 
-LOG = logging.getLogger(__name__)
-
 
 class RequestContext(context.RequestContext):
     """Security context and request information.
diff --git a/karbor/manager.py b/karbor/manager.py
index 54db9e1d..1150a278 100644
--- a/karbor/manager.py
+++ b/karbor/manager.py
@@ -40,7 +40,6 @@ This module provides Manager, a base class for managers.
 
 
 from oslo_config import cfg
-from oslo_log import log as logging
 import oslo_messaging as messaging
 from oslo_service import periodic_task
 
@@ -49,7 +48,6 @@ from karbor import version
 
 
 CONF = cfg.CONF
-LOG = logging.getLogger(__name__)
 
 
 class PeriodicTasks(periodic_task.PeriodicTasks):
diff --git a/karbor/objects/checkpoint_record.py b/karbor/objects/checkpoint_record.py
index 5edfa98d..d69006e1 100644
--- a/karbor/objects/checkpoint_record.py
+++ b/karbor/objects/checkpoint_record.py
@@ -11,7 +11,6 @@
 #    under the License.
 
 from oslo_config import cfg
-from oslo_log import log as logging
 from oslo_versionedobjects import fields
 
 from karbor import db
@@ -20,7 +19,6 @@ from karbor.i18n import _
 from karbor.objects import base
 
 CONF = cfg.CONF
-LOG = logging.getLogger(__name__)
 
 
 @base.KarborObjectRegistry.register
diff --git a/karbor/services/operationengine/api.py b/karbor/services/operationengine/api.py
index c1a487bd..91dbd256 100644
--- a/karbor/services/operationengine/api.py
+++ b/karbor/services/operationengine/api.py
@@ -13,15 +13,10 @@
 """Handles all requests relating to OperationEngine."""
 
 
-from oslo_log import log as logging
-
 from karbor.db import base
 from karbor.services.operationengine import rpcapi as oe_rpcapi
 
 
-LOG = logging.getLogger(__name__)
-
-
 class API(base.Base):
     """API for interacting with the OperationEngine manager."""
 
diff --git a/karbor/services/protection/api.py b/karbor/services/protection/api.py
index 895569d4..c68baa77 100644
--- a/karbor/services/protection/api.py
+++ b/karbor/services/protection/api.py
@@ -13,15 +13,10 @@
 """Handles all requests relating to protection service."""
 
 
-from oslo_log import log as logging
-
 from karbor.db import base
 from karbor.services.protection import rpcapi as protection_rpcapi
 
 
-LOG = logging.getLogger(__name__)
-
-
 class API(base.Base):
     """API for interacting with the protection manager."""
 
diff --git a/karbor/services/protection/bank_plugin.py b/karbor/services/protection/bank_plugin.py
index 1d58ad64..3b4e77d0 100644
--- a/karbor/services/protection/bank_plugin.py
+++ b/karbor/services/protection/bank_plugin.py
@@ -14,12 +14,8 @@ import abc
 import os
 import six
 
-from oslo_log import log as logging
-
 from karbor import exception
 
-LOG = logging.getLogger(__name__)
-
 
 @six.add_metaclass(abc.ABCMeta)
 class LeasePlugin(object):
diff --git a/karbor/services/protection/clients/swift.py b/karbor/services/protection/clients/swift.py
index 89b8c760..1e7e367e 100644
--- a/karbor/services/protection/clients/swift.py
+++ b/karbor/services/protection/clients/swift.py
@@ -11,11 +11,8 @@
 #    under the License.
 
 from oslo_config import cfg
-from oslo_log import log as logging
 from swiftclient import client as swift
 
-LOG = logging.getLogger(__name__)
-
 SERVICE = 'swift'
 swift_client_opts = [
     cfg.StrOpt(SERVICE + '_endpoint',
diff --git a/karbor/services/protection/protectable_plugins/project.py b/karbor/services/protection/protectable_plugins/project.py
index c39e272e..9c7bb0d6 100644
--- a/karbor/services/protection/protectable_plugins/project.py
+++ b/karbor/services/protection/protectable_plugins/project.py
@@ -14,9 +14,6 @@
 from karbor.common import constants
 from karbor import resource
 from karbor.services.protection import protectable_plugin
-from oslo_log import log as logging
-
-LOG = logging.getLogger(__name__)
 
 
 class ProjectProtectablePlugin(protectable_plugin.ProtectablePlugin):
diff --git a/karbor/services/protection/protectable_registry.py b/karbor/services/protection/protectable_registry.py
index 01116036..a7f62050 100644
--- a/karbor/services/protection/protectable_registry.py
+++ b/karbor/services/protection/protectable_registry.py
@@ -15,11 +15,8 @@ from karbor.i18n import _
 from karbor.services.protection.graph import build_graph
 import six
 
-from oslo_log import log as logging
 from stevedore import extension
 
-LOG = logging.getLogger(__name__)
-
 
 class ProtectablePluginLoadFailed(exception.KarborException):
     message = _("Could not load %(name)s: %(error)s")
diff --git a/karbor/services/protection/protection_plugin.py b/karbor/services/protection/protection_plugin.py
index 7bdbdffa..ef3e71ed 100644
--- a/karbor/services/protection/protection_plugin.py
+++ b/karbor/services/protection/protection_plugin.py
@@ -9,10 +9,6 @@
 #    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 oslo_log import log as logging
-
-
-LOG = logging.getLogger(__name__)
 
 
 class Operation(object):
diff --git a/karbor/services/protection/protection_plugins/noop_plugin.py b/karbor/services/protection/protection_plugins/noop_plugin.py
index 7b80f63e..fa6405c7 100644
--- a/karbor/services/protection/protection_plugins/noop_plugin.py
+++ b/karbor/services/protection/protection_plugins/noop_plugin.py
@@ -12,10 +12,6 @@
 
 from karbor.common import constants
 from karbor.services.protection import protection_plugin
-from oslo_log import log as logging
-
-
-LOG = logging.getLogger(__name__)
 
 
 class NoopOperation(protection_plugin.Operation):