diff --git a/nova/tests/unit/virt/lxd/test_driver.py b/nova/tests/unit/virt/lxd/test_driver.py
index b417186a..196adea5 100644
--- a/nova/tests/unit/virt/lxd/test_driver.py
+++ b/nova/tests/unit/virt/lxd/test_driver.py
@@ -12,13 +12,14 @@
 #    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 collections
-import json
 import base64
 from contextlib import closing
 
 import eventlet
 from oslo_config import cfg
+from oslo_serialization import jsonutils
 import mock
 from nova import context
 from nova import exception
@@ -1197,7 +1198,7 @@ class LXDDriverTest(test.NoDBTestCase):
         lxd_driver.client.host_info = lxd_config
         value = lxd_driver.get_available_resource(None)
         # This is funky, but json strings make for fragile tests.
-        value['cpu_info'] = json.loads(value['cpu_info'])
+        value['cpu_info'] = jsonutils.loads(value['cpu_info'])
 
         self.assertEqual(expected, value)
 
@@ -1294,7 +1295,7 @@ class LXDDriverTest(test.NoDBTestCase):
         lxd_driver.client.host_info = lxd_config
         value = lxd_driver.get_available_resource(None)
         # This is funky, but json strings make for fragile tests.
-        value['cpu_info'] = json.loads(value['cpu_info'])
+        value['cpu_info'] = jsonutils.loads(value['cpu_info'])
 
         self.assertEqual(expected, value)
 
diff --git a/nova/virt/lxd/driver.py b/nova/virt/lxd/driver.py
index 0ca3e3ef..d853ce56 100644
--- a/nova/virt/lxd/driver.py
+++ b/nova/virt/lxd/driver.py
@@ -17,7 +17,6 @@ from __future__ import absolute_import
 
 import errno
 import io
-import json
 import os
 import platform
 import pwd
@@ -352,7 +351,7 @@ def _sync_glance_image_to_lxd(client, context, image_ref):
                         'hw_architecture',
                         obj_fields.Architecture.from_host()),
                     'creation_date': int(os.stat(image_file).st_ctime)}
-                metadata_yaml = json.dumps(
+                metadata_yaml = jsonutils.dumps(
                     metadata, sort_keys=True, indent=4,
                     separators=(',', ': '),
                     ensure_ascii=False).encode('utf-8') + b"\n"
@@ -1273,7 +1272,7 @@ class LXDDriver(driver.ComputeDriver):
             "volatile.tap5fd6808a-7b.name": "eth0"
         }
         """
-        container_id_map = json.loads(
+        container_id_map = jsonutils.loads(
             container.config['volatile.last_state.idmap'])
         uid_map = list(filter(lambda id_map: id_map.get("Isuid"),
                               container_id_map))
diff --git a/nova_lxd_tempest_plugin/tests/scenario/test_server_basic_ops.py b/nova_lxd_tempest_plugin/tests/scenario/test_server_basic_ops.py
index fa3fd95e..601a3ccb 100644
--- a/nova_lxd_tempest_plugin/tests/scenario/test_server_basic_ops.py
+++ b/nova_lxd_tempest_plugin/tests/scenario/test_server_basic_ops.py
@@ -14,8 +14,6 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import json
-
 from tempest.common import utils
 from tempest import config
 from tempest import exceptions
@@ -23,6 +21,7 @@ from tempest.lib.common.utils import test_utils
 from tempest.lib import decorators
 
 from nova_lxd_tempest_plugin.tests.scenario import manager
+from oslo_serialization import jsonutils
 
 CONF = config.CONF
 
@@ -86,7 +85,7 @@ class TestServerBasicOps(manager.ScenarioTest):
             cmd_md = \
                 'cat /var/lib/cloud/data/openstack/latest/meta_data.json'
             result = self.ssh_client.exec_command(cmd_md)
-            result = json.loads(result)
+            result = jsonutils.loads(result)
             self.assertIn('meta', result)
             msg = ('Failed while verifying metadata on config_drive on server.'
                    ' Result of command "%s" is NOT "%s".' % (cmd_md, self.md))
@@ -98,7 +97,7 @@ class TestServerBasicOps(manager.ScenarioTest):
             cmd_md = \
                 'cat /var/lib/cloud/data/openstack/latest/network_data.json'
             result = self.ssh_client.exec_command(cmd_md)
-            result = json.loads(result)
+            result = jsonutils.loads(result)
             self.assertIn('services', result)
             self.assertIn('links', result)
             self.assertIn('networks', result)