diff --git a/neutron/objects/logapi/event_types.py b/neutron/objects/logapi/event_types.py
index 82c385e3e60..7a96ba02318 100644
--- a/neutron/objects/logapi/event_types.py
+++ b/neutron/objects/logapi/event_types.py
@@ -12,10 +12,10 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
+from neutron_lib.services.logapi import constants as log_const
 from oslo_versionedobjects import fields as obj_fields
 
 from neutron._i18n import _
-from neutron.services.logapi.common import constants as log_const
 
 
 class SecurityEvent(obj_fields.String):
diff --git a/neutron/objects/logapi/logging_resource.py b/neutron/objects/logapi/logging_resource.py
index 21a47b3d43c..3cbb73d91ac 100644
--- a/neutron/objects/logapi/logging_resource.py
+++ b/neutron/objects/logapi/logging_resource.py
@@ -13,13 +13,13 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
+from neutron_lib.services.logapi import constants as log_const
 from oslo_versionedobjects import fields as obj_fields
 
 from neutron.db.models import loggingapi as log_db
 from neutron.objects import base
 from neutron.objects import common_types
 from neutron.objects.logapi import event_types
-from neutron.services.logapi.common import constants as log_const
 
 
 @base.NeutronObjectRegistry.register
diff --git a/neutron/services/logapi/common/constants.py b/neutron/services/logapi/common/constants.py
deleted file mode 100644
index 76fef11b2ab..00000000000
--- a/neutron/services/logapi/common/constants.py
+++ /dev/null
@@ -1,60 +0,0 @@
-# Copyright 2017 Fujitsu Limited.
-# 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.
-
-ACCEPT_EVENT = 'ACCEPT'
-DROP_EVENT = 'DROP'
-ALL_EVENT = 'ALL'
-LOG_EVENTS = [ACCEPT_EVENT, DROP_EVENT, ALL_EVENT]
-LOGGING_PLUGIN = 'logging-plugin'
-
-# supported logging types
-SECURITY_GROUP = 'security_group'
-# TODO(annp): Moving to neutron-lib
-SNAT = 'snat'
-
-# target resource types
-PORT = 'port'
-
-RPC_NAMESPACE_LOGGING = 'logging-plugin'
-
-# Define for rpc_method_key
-LOG_RESOURCE = 'log_resource'
-
-# String literal for identifying log resource
-LOGGING = 'log'
-
-# Method names for Logging Driver
-PRECOMMIT_POSTFIX = '_precommit'
-CREATE_LOG = 'create_log'
-CREATE_LOG_PRECOMMIT = CREATE_LOG + PRECOMMIT_POSTFIX
-UPDATE_LOG = 'update_log'
-UPDATE_LOG_PRECOMMIT = UPDATE_LOG + PRECOMMIT_POSTFIX
-DELETE_LOG = 'delete_log'
-DELETE_LOG_PRECOMMIT = DELETE_LOG + PRECOMMIT_POSTFIX
-# Tell to agent when resources related log_objects update
-RESOURCE_UPDATE = 'resource_update'
-
-LOG_CALL_METHODS = (
-    CREATE_LOG,
-    CREATE_LOG_PRECOMMIT,
-    UPDATE_LOG,
-    UPDATE_LOG_PRECOMMIT,
-    DELETE_LOG,
-    DELETE_LOG_PRECOMMIT,
-    RESOURCE_UPDATE
-)
-
-DIRECTION_IP_PREFIX = {'ingress': 'source_ip_prefix',
-                       'egress': 'dest_ip_prefix'}
diff --git a/neutron/services/logapi/common/db_api.py b/neutron/services/logapi/common/db_api.py
index f3fcc72438d..d13058d8926 100644
--- a/neutron/services/logapi/common/db_api.py
+++ b/neutron/services/logapi/common/db_api.py
@@ -15,6 +15,7 @@
 
 from neutron_lib import constants as const
 from neutron_lib.db import api as db_api
+from neutron_lib.services.logapi import constants
 from oslo_log import log as logging
 from sqlalchemy.orm import exc as orm_exc
 
@@ -22,7 +23,6 @@ from neutron.db.models import securitygroup as sg_db
 from neutron.objects.logapi import logging_resource as log_object
 from neutron.objects import ports as port_objects
 from neutron.objects import securitygroup as sg_object
-from neutron.services.logapi.common import constants
 from neutron.services.logapi.common import validators
 
 LOG = logging.getLogger(__name__)
diff --git a/neutron/services/logapi/common/sg_callback.py b/neutron/services/logapi/common/sg_callback.py
index 10e9d3ee23e..39ce16c80a9 100644
--- a/neutron/services/logapi/common/sg_callback.py
+++ b/neutron/services/logapi/common/sg_callback.py
@@ -13,7 +13,8 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from neutron.services.logapi.common import constants as log_const
+from neutron_lib.services.logapi import constants as log_const
+
 from neutron.services.logapi.common import db_api
 from neutron.services.logapi.drivers import manager
 
diff --git a/neutron/services/logapi/common/sg_validate.py b/neutron/services/logapi/common/sg_validate.py
index f1a2910fedc..b903fb59bc2 100644
--- a/neutron/services/logapi/common/sg_validate.py
+++ b/neutron/services/logapi/common/sg_validate.py
@@ -13,6 +13,7 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
+from neutron_lib.services.logapi import constants as log_const
 from oslo_log import log as logging
 from sqlalchemy.orm import exc as orm_exc
 
@@ -20,7 +21,6 @@ from neutron.db import _utils as db_utils
 from neutron.db.models import securitygroup as sg_db
 from neutron.objects import ports
 from neutron.objects import securitygroup as sg_object
-from neutron.services.logapi.common import constants as log_const
 from neutron.services.logapi.common import exceptions as log_exc
 from neutron.services.logapi.common import validators
 
diff --git a/neutron/services/logapi/common/snat_validate.py b/neutron/services/logapi/common/snat_validate.py
index ee7f9115521..a8685c701e1 100644
--- a/neutron/services/logapi/common/snat_validate.py
+++ b/neutron/services/logapi/common/snat_validate.py
@@ -13,10 +13,10 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
+from neutron_lib.services.logapi import constants as log_const
 from oslo_log import log as logging
 
 from neutron.objects import router
-from neutron.services.logapi.common import constants as log_const
 from neutron.services.logapi.common import exceptions as log_exc
 from neutron.services.logapi.common import validators
 
diff --git a/neutron/services/logapi/drivers/base.py b/neutron/services/logapi/drivers/base.py
index 3ddc297bce7..5006899a531 100644
--- a/neutron/services/logapi/drivers/base.py
+++ b/neutron/services/logapi/drivers/base.py
@@ -15,9 +15,9 @@
 
 from neutron_lib.callbacks import events
 from neutron_lib.callbacks import registry
+from neutron_lib.services.logapi import constants as log_const
 from oslo_log import log as logging
 
-from neutron.services.logapi.common import constants as log_const
 from neutron.services.logapi.rpc import server as server_rpc
 
 LOG = logging.getLogger(__name__)
diff --git a/neutron/services/logapi/drivers/manager.py b/neutron/services/logapi/drivers/manager.py
index 580e790b353..3863038d0b7 100644
--- a/neutron/services/logapi/drivers/manager.py
+++ b/neutron/services/logapi/drivers/manager.py
@@ -16,9 +16,9 @@
 from neutron_lib.callbacks import events
 from neutron_lib.callbacks import registry
 from neutron_lib import exceptions
+from neutron_lib.services.logapi import constants as log_const
 from oslo_log import log as logging
 
-from neutron.services.logapi.common import constants as log_const
 from neutron.services.logapi.common import exceptions as log_exc
 from neutron.services.logapi.rpc import server as server_rpc
 
diff --git a/neutron/services/logapi/drivers/openvswitch/driver.py b/neutron/services/logapi/drivers/openvswitch/driver.py
index d6617031fb8..2c2d26f0b8a 100644
--- a/neutron/services/logapi/drivers/openvswitch/driver.py
+++ b/neutron/services/logapi/drivers/openvswitch/driver.py
@@ -15,10 +15,10 @@
 
 from neutron_lib.api.definitions import portbindings
 from neutron_lib.callbacks import resources
+from neutron_lib.services.logapi import constants as log_const
 from oslo_log import log as logging
 from oslo_utils import importutils
 
-from neutron.services.logapi.common import constants as log_const
 from neutron.services.logapi.common import sg_callback
 from neutron.services.logapi.drivers import base
 from neutron.services.logapi.drivers import manager
diff --git a/neutron/services/logapi/drivers/openvswitch/ovs_firewall_log.py b/neutron/services/logapi/drivers/openvswitch/ovs_firewall_log.py
index fbda968fec9..8e9d2387c4f 100644
--- a/neutron/services/logapi/drivers/openvswitch/ovs_firewall_log.py
+++ b/neutron/services/logapi/drivers/openvswitch/ovs_firewall_log.py
@@ -16,6 +16,7 @@
 import collections
 
 from neutron_lib import constants as lib_const
+from neutron_lib.services.logapi import constants as log_const
 from os_ken.base import app_manager
 from os_ken.lib.packet import packet
 from oslo_config import cfg
@@ -29,7 +30,6 @@ from neutron.agent.linux.openvswitch_firewall import rules
 from neutron.plugins.ml2.drivers.openvswitch.agent.common import constants \
         as ovs_consts
 from neutron.services.logapi.agent import log_extension as log_ext
-from neutron.services.logapi.common import constants as log_const
 from neutron.services.logapi.common import exceptions as log_exc
 from neutron.services.logapi.drivers.openvswitch import log_oskenapp
 
diff --git a/neutron/services/logapi/logging_plugin.py b/neutron/services/logapi/logging_plugin.py
index f4ef9942af2..ac0cfb97170 100644
--- a/neutron/services/logapi/logging_plugin.py
+++ b/neutron/services/logapi/logging_plugin.py
@@ -15,12 +15,12 @@
 
 from neutron_lib.api.definitions import logging
 from neutron_lib.db import api as db_api
+from neutron_lib.services.logapi import constants as log_const
 
 from neutron.db import db_base_plugin_common
 from neutron.extensions import logging as log_ext
 from neutron.objects import base as base_obj
 from neutron.objects.logapi import logging_resource as log_object
-from neutron.services.logapi.common import constants as log_const
 from neutron.services.logapi.common import exceptions as log_exc
 from neutron.services.logapi.common import validators
 from neutron.services.logapi.drivers import manager as driver_mgr
diff --git a/neutron/services/logapi/rpc/agent.py b/neutron/services/logapi/rpc/agent.py
index f37cf92bcaa..0d1438a9e02 100644
--- a/neutron/services/logapi/rpc/agent.py
+++ b/neutron/services/logapi/rpc/agent.py
@@ -14,11 +14,10 @@
 #    under the License.
 
 from neutron_lib import rpc as n_rpc
+from neutron_lib.services.logapi import constants as log_const
 from oslo_log import helpers as log_helpers
 import oslo_messaging
 
-from neutron.services.logapi.common import constants as log_const
-
 
 class LoggingApiStub(object):
     """Stub proxy code for agent->server communication."""
diff --git a/neutron/services/logapi/rpc/server.py b/neutron/services/logapi/rpc/server.py
index b2d26acfe14..760b19ff5cf 100644
--- a/neutron/services/logapi/rpc/server.py
+++ b/neutron/services/logapi/rpc/server.py
@@ -15,13 +15,13 @@
 
 from neutron_lib.callbacks import resources as r_const
 from neutron_lib import rpc as n_rpc
+from neutron_lib.services.logapi import constants as log_const
 from oslo_log import helpers as log_helpers
 from oslo_log import log as logging
 import oslo_messaging
 
 from neutron.api.rpc.callbacks import events
 from neutron.api.rpc.handlers import resources_rpc
-from neutron.services.logapi.common import constants as log_const
 from neutron.services.logapi.common import db_api
 
 LOG = logging.getLogger(__name__)
diff --git a/neutron/tests/tools.py b/neutron/tests/tools.py
index 1a4d16dbfd0..57e1472f4de 100644
--- a/neutron/tests/tools.py
+++ b/neutron/tests/tools.py
@@ -23,6 +23,7 @@ import fixtures
 import mock
 import netaddr
 from neutron_lib import constants
+from neutron_lib.services.logapi import constants as log_const
 from neutron_lib.tests import tools
 from neutron_lib.utils import helpers
 from neutron_lib.utils import net
@@ -30,8 +31,6 @@ from oslo_utils import netutils
 from oslo_utils import timeutils
 import unittest2
 
-from neutron.services.logapi.common import constants as log_const
-
 
 # NOTE(yamahata): from neutron-lib 1.9.1, callback priority was added and
 # priority_group module was added for constants of priority.
diff --git a/neutron/tests/unit/services/logapi/common/test_db_api.py b/neutron/tests/unit/services/logapi/common/test_db_api.py
index 5736df2013c..24017e2454f 100644
--- a/neutron/tests/unit/services/logapi/common/test_db_api.py
+++ b/neutron/tests/unit/services/logapi/common/test_db_api.py
@@ -16,11 +16,11 @@
 import mock
 from neutron_lib import constants as const
 from neutron_lib import context
+from neutron_lib.services.logapi import constants as log_const
 from oslo_utils import uuidutils
 
 from neutron.common import utils
 from neutron.objects.logapi import logging_resource as log_object
-from neutron.services.logapi.common import constants as log_const
 from neutron.services.logapi.common import db_api
 from neutron.services.logapi.common import validators
 from neutron.services.logapi.rpc import server as server_rpc
diff --git a/neutron/tests/unit/services/logapi/drivers/test_manager.py b/neutron/tests/unit/services/logapi/drivers/test_manager.py
index e6842fa2e6c..5394b85963e 100644
--- a/neutron/tests/unit/services/logapi/drivers/test_manager.py
+++ b/neutron/tests/unit/services/logapi/drivers/test_manager.py
@@ -17,8 +17,8 @@ import mock
 from neutron_lib.callbacks import events
 from neutron_lib import exceptions
 from neutron_lib import fixture
+from neutron_lib.services.logapi import constants as log_const
 
-from neutron.services.logapi.common import constants as log_const
 from neutron.services.logapi.common import exceptions as log_exc
 from neutron.services.logapi.drivers import base as log_driver_base
 from neutron.services.logapi.drivers import manager as driver_mgr
diff --git a/neutron/tests/unit/services/logapi/rpc/test_server.py b/neutron/tests/unit/services/logapi/rpc/test_server.py
index e88233223e9..ba31aac0704 100644
--- a/neutron/tests/unit/services/logapi/rpc/test_server.py
+++ b/neutron/tests/unit/services/logapi/rpc/test_server.py
@@ -15,12 +15,12 @@
 
 import mock
 from neutron_lib import rpc
+from neutron_lib.services.logapi import constants as log_const
 from oslo_config import cfg
 import oslo_messaging
 
 from neutron.api.rpc.callbacks import events
 from neutron.api.rpc.handlers import resources_rpc
-from neutron.services.logapi.common import constants as log_const
 from neutron.services.logapi.rpc import server as server_rpc
 from neutron.tests import base