diff --git a/vmware_nsx/db/extended_security_group.py b/vmware_nsx/db/extended_security_group.py
index 6d99f46b8e..732220cebc 100644
--- a/vmware_nsx/db/extended_security_group.py
+++ b/vmware_nsx/db/extended_security_group.py
@@ -20,11 +20,11 @@ from sqlalchemy import orm
 from sqlalchemy.orm import exc
 from sqlalchemy import sql
 
-from neutron.api.v2 import attributes
 from neutron.db import _resource_extend as resource_extend
 from neutron.db import api as db_api
 from neutron.db.models import securitygroup as securitygroups_db
 from neutron.extensions import securitygroup as ext_sg
+from neutron_lib.api.definitions import port as port_def
 from neutron_lib.api import validators
 from neutron_lib.callbacks import events
 from neutron_lib.callbacks import registry
@@ -355,7 +355,7 @@ class ExtendedSecurityGroupPropertiesMixin(object):
             sg_res[sg_policy.POLICY] = sg_db.ext_properties.policy
 
     @staticmethod
-    @resource_extend.extends([attributes.PORTS])
+    @resource_extend.extends([port_def.COLLECTION_NAME])
     def _extend_port_dict_provider_security_group(port_res, port_db):
         # Add the provider sg list to the port.
         # later we will remove those from the regular sg list
diff --git a/vmware_nsx/db/maclearning.py b/vmware_nsx/db/maclearning.py
index 95ef7b0a4b..fe780d71e8 100644
--- a/vmware_nsx/db/maclearning.py
+++ b/vmware_nsx/db/maclearning.py
@@ -15,12 +15,13 @@
 
 from sqlalchemy.orm import exc
 
-from neutron.api.v2 import attributes
 from neutron.db import _model_query as model_query
 from neutron.db import _resource_extend as resource_extend
 from neutron.db import _utils as db_utils
 from neutron.db import api as db_api
 
+from neutron_lib.api.definitions import port as port_def
+
 from oslo_log import log as logging
 
 from vmware_nsx.db import nsx_models
@@ -39,7 +40,7 @@ class MacLearningDbMixin(object):
         return db_utils.resource_fields(res, fields)
 
     @staticmethod
-    @resource_extend.extends([attributes.PORTS])
+    @resource_extend.extends([port_def.COLLECTION_NAME])
     def _extend_port_mac_learning_state(port_res, port_db):
         state = port_db.mac_learning_state
         if state and state.mac_learning_enabled:
diff --git a/vmware_nsx/db/qos_db.py b/vmware_nsx/db/qos_db.py
index 302b6bee76..3157d6e3f0 100644
--- a/vmware_nsx/db/qos_db.py
+++ b/vmware_nsx/db/qos_db.py
@@ -15,13 +15,15 @@
 
 from sqlalchemy.orm import exc
 
-from neutron.api.v2 import attributes as attr
 from neutron.db import _model_query as model_query
 from neutron.db import _resource_extend as resource_extend
 from neutron.db import _utils as db_utils
 from neutron.db import api as db_api
 from neutron.db import models_v2
 
+from neutron_lib.api.definitions import network as net_def
+from neutron_lib.api.definitions import port as port_def
+
 from oslo_log import log
 from oslo_utils import uuidutils
 
@@ -130,8 +132,8 @@ class QoSDbMixin(qos.QueuePluginBase):
                 context.session.delete(binding)
 
     @staticmethod
-    @resource_extend.extends([attr.NETWORKS])
-    @resource_extend.extends([attr.PORTS])
+    @resource_extend.extends([net_def.COLLECTION_NAME])
+    @resource_extend.extends([port_def.COLLECTION_NAME])
     def _extend_dict_qos_queue(obj_res, obj_db):
         queue_mapping = obj_db['qos_queue']
         if queue_mapping:
diff --git a/vmware_nsx/db/vnic_index_db.py b/vmware_nsx/db/vnic_index_db.py
index 4a9450798d..7002e0a5c4 100644
--- a/vmware_nsx/db/vnic_index_db.py
+++ b/vmware_nsx/db/vnic_index_db.py
@@ -15,9 +15,10 @@
 
 from sqlalchemy.orm import exc
 
-from neutron.api.v2 import attributes as attr
 from neutron.db import _resource_extend as resource_extend
 
+from neutron_lib.api.definitions import port as port_def
+
 from oslo_db import exception as db_exc
 from oslo_log import log as logging
 
@@ -31,7 +32,7 @@ LOG = logging.getLogger(__name__)
 class VnicIndexDbMixin(object):
 
     @staticmethod
-    @resource_extend.extends([attr.PORTS])
+    @resource_extend.extends([port_def.COLLECTION_NAME])
     def _extend_port_vnic_index_binding(port_res, port_db):
         state = port_db.vnic_index
         port_res[vnicidx.VNIC_INDEX] = state.index if state else None
diff --git a/vmware_nsx/plugins/dvs/plugin.py b/vmware_nsx/plugins/dvs/plugin.py
index 582ea4dbf1..0e0c9fffb2 100644
--- a/vmware_nsx/plugins/dvs/plugin.py
+++ b/vmware_nsx/plugins/dvs/plugin.py
@@ -15,13 +15,13 @@
 
 import uuid
 
+from neutron_lib.api.definitions import port as port_def
 from neutron_lib.api.definitions import port_security as psec
 from neutron_lib.exceptions import port_security as psec_exc
 from oslo_log import log as logging
 from oslo_utils import excutils
 
 from neutron.api import extensions as neutron_extensions
-from neutron.api.v2 import attributes as attr
 from neutron.db import _resource_extend as resource_extend
 from neutron.db import _utils as db_utils
 from neutron.db import agentschedulers_db
@@ -107,7 +107,7 @@ class NsxDvsV2(addr_pair_db.AllowedAddressPairsMixin,
         self.setup_dhcpmeta_access()
 
     @staticmethod
-    @resource_extend.extends([attr.PORTS])
+    @resource_extend.extends([port_def.COLLECTION_NAME])
     def _extend_port_dict_binding(result, portdb):
         result[pbin.VIF_TYPE] = nsx_constants.VIF_TYPE_DVS
         port_attr = portdb.get('nsx_port_attributes')
diff --git a/vmware_nsx/plugins/nsx_v/plugin.py b/vmware_nsx/plugins/nsx_v/plugin.py
index 46bf2db82f..5e4395a86f 100644
--- a/vmware_nsx/plugins/nsx_v/plugin.py
+++ b/vmware_nsx/plugins/nsx_v/plugin.py
@@ -18,8 +18,11 @@ import six
 import uuid
 
 import netaddr
+from neutron_lib.api.definitions import network as net_def
+from neutron_lib.api.definitions import port as port_def
 from neutron_lib.api.definitions import port_security as psec
 from neutron_lib.api.definitions import provider_net as pnet
+from neutron_lib.api.definitions import subnet as subnet_def
 from neutron_lib.api import validators
 from neutron_lib import constants
 from neutron_lib import context as n_context
@@ -37,7 +40,6 @@ from oslo_utils import uuidutils
 from sqlalchemy.orm import exc as sa_exc
 
 from neutron.api import extensions as neutron_extensions
-from neutron.api.v2 import attributes as attr
 from neutron.common import ipv6_utils
 from neutron.common import rpc as n_rpc
 from neutron.common import topics
@@ -373,7 +375,7 @@ class NsxVPluginV2(addr_pair_db.AllowedAddressPairsMixin,
         self.fwaas_callbacks = fwaas_callbacks.NsxvFwaasCallbacks()
 
     @staticmethod
-    @resource_extend.extends([attr.NETWORKS])
+    @resource_extend.extends([net_def.COLLECTION_NAME])
     def _ext_extend_network_dict(result, netdb):
         ctx = n_context.get_admin_context()
         # get the core plugin as this is a static method with no 'self'
@@ -383,7 +385,7 @@ class NsxVPluginV2(addr_pair_db.AllowedAddressPairsMixin,
                 ctx.session, netdb, result)
 
     @staticmethod
-    @resource_extend.extends([attr.PORTS])
+    @resource_extend.extends([port_def.COLLECTION_NAME])
     def _ext_extend_port_dict(result, portdb):
         ctx = n_context.get_admin_context()
         # get the core plugin as this is a static method with no 'self'
@@ -393,7 +395,7 @@ class NsxVPluginV2(addr_pair_db.AllowedAddressPairsMixin,
                 ctx.session, portdb, result)
 
     @staticmethod
-    @resource_extend.extends([attr.SUBNETS])
+    @resource_extend.extends([subnet_def.COLLECTION_NAME])
     def _ext_extend_subnet_dict(result, subnetdb):
         ctx = n_context.get_admin_context()
         # get the core plugin as this is a static method with no 'self'
@@ -1717,7 +1719,7 @@ class NsxVPluginV2(addr_pair_db.AllowedAddressPairsMixin,
                 self._check_update_has_security_groups(port))
 
             # allowed address pair checks
-            attrs = port[attr.PORT]
+            attrs = port[port_def.RESOURCE_NAME]
             if self._check_update_has_allowed_address_pairs(port):
                 if not port_security:
                     raise addr_pair.AddressPairAndPortSecurityRequired()
@@ -1881,7 +1883,7 @@ class NsxVPluginV2(addr_pair_db.AllowedAddressPairsMixin,
 
     def _update_port(self, context, id, port, original_port, is_compute_port,
                      device_id):
-        attrs = port[attr.PORT]
+        attrs = port[port_def.RESOURCE_NAME]
         port_data = port['port']
         dhcp_opts = port_data.get(ext_edo.EXTRADHCPOPTS)
         self._validate_extra_dhcp_options(dhcp_opts)
@@ -2229,7 +2231,7 @@ class NsxVPluginV2(addr_pair_db.AllowedAddressPairsMixin,
         self._delete_dhcp_static_binding(context, neutron_db_port)
 
     @staticmethod
-    @resource_extend.extends([attr.PORTS])
+    @resource_extend.extends([port_def.COLLECTION_NAME])
     def _extend_nsx_port_dict_binding(result, portdb):
         result[pbin.VIF_TYPE] = nsx_constants.VIF_TYPE_DVS
         port_attr = portdb.get('nsx_port_attributes')
@@ -2502,7 +2504,7 @@ class NsxVPluginV2(addr_pair_db.AllowedAddressPairsMixin,
         return subnet
 
     @staticmethod
-    @resource_extend.extends([attr.SUBNETS])
+    @resource_extend.extends([subnet_def.COLLECTION_NAME])
     def _extend_subnet_dict_extended_attributes(subnet_res, subnet_db):
         subnet_attr = subnet_db.get('nsxv_subnet_attributes')
         if subnet_attr:
@@ -3080,7 +3082,7 @@ class NsxVPluginV2(addr_pair_db.AllowedAddressPairsMixin,
         router_driver.delete_router(context, id)
 
     @staticmethod
-    @resource_extend.extends([attr.NETWORKS])
+    @resource_extend.extends([net_def.COLLECTION_NAME])
     def _extend_availability_zone_hints(net_res, net_db):
         net_res[az_ext.AZ_HINTS] = az_ext.convert_az_string_to_list(
             net_db[az_ext.AZ_HINTS])
diff --git a/vmware_nsx/plugins/nsx_v3/plugin.py b/vmware_nsx/plugins/nsx_v3/plugin.py
index 1d5a33b13b..bdf0977cf9 100644
--- a/vmware_nsx/plugins/nsx_v3/plugin.py
+++ b/vmware_nsx/plugins/nsx_v3/plugin.py
@@ -14,14 +14,16 @@
 #    under the License.
 
 import netaddr
+from neutron_lib.api.definitions import network as net_def
+from neutron_lib.api.definitions import port as port_def
 from neutron_lib.api.definitions import port_security as psec
+from neutron_lib.api.definitions import subnet as subnet_def
 from neutron_lib.exceptions import port_security as psec_exc
 import six
 
 from neutron.api.rpc.agentnotifiers import dhcp_rpc_agent_api
 from neutron.api.rpc.handlers import dhcp_rpc
 from neutron.api.rpc.handlers import metadata_rpc
-from neutron.api.v2 import attributes
 from neutron.common import rpc as n_rpc
 from neutron.common import topics
 from neutron.db import _resource_extend as resource_extend
@@ -537,7 +539,7 @@ class NsxV3Plugin(agentschedulers_db.AZDhcpAgentSchedulerDbMixin,
         return self.conn.consume_in_threads()
 
     @staticmethod
-    @resource_extend.extends([attributes.NETWORKS])
+    @resource_extend.extends([net_def.COLLECTION_NAME])
     def _ext_extend_network_dict(result, netdb):
         ctx = q_context.get_admin_context()
         # get the core plugin as this is a static method with no 'self'
@@ -547,7 +549,7 @@ class NsxV3Plugin(agentschedulers_db.AZDhcpAgentSchedulerDbMixin,
                 ctx.session, netdb, result)
 
     @staticmethod
-    @resource_extend.extends([attributes.PORTS])
+    @resource_extend.extends([port_def.COLLECTION_NAME])
     def _ext_extend_port_dict(result, portdb):
         ctx = q_context.get_admin_context()
         # get the core plugin as this is a static method with no 'self'
@@ -557,7 +559,7 @@ class NsxV3Plugin(agentschedulers_db.AZDhcpAgentSchedulerDbMixin,
                 ctx.session, portdb, result)
 
     @staticmethod
-    @resource_extend.extends([attributes.SUBNETS])
+    @resource_extend.extends([subnet_def.COLLECTION_NAME])
     def _ext_extend_subnet_dict(result, subnetdb):
         ctx = q_context.get_admin_context()
         # get the core plugin as this is a static method with no 'self'
@@ -3558,7 +3560,7 @@ class NsxV3Plugin(agentschedulers_db.AZDhcpAgentSchedulerDbMixin,
         return self.validate_obj_azs(availability_zones)
 
     @staticmethod
-    @resource_extend.extends([attributes.NETWORKS])
+    @resource_extend.extends([net_def.COLLECTION_NAME])
     def _extend_availability_zone_hints(net_res, net_db):
         net_res[az_ext.AZ_HINTS] = az_ext.convert_az_string_to_list(
             net_db[az_ext.AZ_HINTS])