diff --git a/doc/source/user/resources/block_storage/v2/backup.rst b/doc/source/user/resources/block_storage/v2/backup.rst
index 5c56b480e..a291fa5c0 100644
--- a/doc/source/user/resources/block_storage/v2/backup.rst
+++ b/doc/source/user/resources/block_storage/v2/backup.rst
@@ -10,12 +10,3 @@ The ``Backup`` class inherits from :class:`~openstack.resource.Resource`.
 
 .. autoclass:: openstack.block_storage.v2.backup.Backup
    :members:
-
-The BackupDetail Class
-----------------------
-
-The ``BackupDetail`` class inherits from
-:class:`~openstack.block_storage.v2.backup.Backup`.
-
-.. autoclass:: openstack.block_storage.v2.backup.BackupDetail
-   :members:
diff --git a/doc/source/user/resources/block_storage/v2/volume.rst b/doc/source/user/resources/block_storage/v2/volume.rst
index 499f585ae..ba4b9db57 100644
--- a/doc/source/user/resources/block_storage/v2/volume.rst
+++ b/doc/source/user/resources/block_storage/v2/volume.rst
@@ -10,12 +10,3 @@ The ``Volume`` class inherits from :class:`~openstack.resource.Resource`.
 
 .. autoclass:: openstack.block_storage.v2.volume.Volume
    :members:
-
-The VolumeDetail Class
-----------------------
-
-The ``VolumeDetail`` class inherits from
-:class:`~openstack.block_storage.v2.volume.Volume`.
-
-.. autoclass:: openstack.block_storage.v2.volume.VolumeDetail
-   :members:
diff --git a/openstack/block_storage/v2/_proxy.py b/openstack/block_storage/v2/_proxy.py
index 57095afc7..653366d2a 100644
--- a/openstack/block_storage/v2/_proxy.py
+++ b/openstack/block_storage/v2/_proxy.py
@@ -147,11 +147,9 @@ class Proxy(_base_proxy.BaseBlockStorageProxy):
     def volumes(self, details=True, **query):
         """Retrieve a generator of volumes
 
-        :param bool details: When set to ``False``
-                    :class:`~openstack.block_storage.v2.volume.Volume` objects
-                    will be returned. The default, ``True``, will cause
-                    :class:`~openstack.block_storage.v2.volume.VolumeDetail`
-                    objects to be returned.
+        :param bool details: When set to ``False`` no extended attributes
+            will be returned. The default, ``True``, will cause objects with
+            additional attributes to be returned.
         :param kwargs query: Optional query parameters to be sent to limit
             the volumes being returned.  Available parameters include:
 
@@ -162,8 +160,8 @@ class Proxy(_base_proxy.BaseBlockStorageProxy):
 
         :returns: A generator of volume objects.
         """
-        volume = _volume.VolumeDetail if details else _volume.Volume
-        return self._list(volume, **query)
+        base_path = '/volumes/detail' if details else None
+        return self._list(_volume.Volume, base_path=base_path, **query)
 
     def create_volume(self, **attrs):
         """Create a new volume from attributes
@@ -214,11 +212,9 @@ class Proxy(_base_proxy.BaseBlockStorageProxy):
     def backups(self, details=True, **query):
         """Retrieve a generator of backups
 
-        :param bool details: When set to ``False``
-            :class:`~openstack.block_storage.v2.backup.Backup` objects
-            will be returned. The default, ``True``, will cause
-            :class:`~openstack.block_storage.v2.backup.BackupDetail`
-            objects to be returned.
+        :param bool details: When set to ``False`` no additional details will
+            be returned. The default, ``True``, will cause objects with
+            additional attributes to be returned.
         :param dict query: Optional query parameters to be sent to limit the
             resources being returned:
 
@@ -239,8 +235,8 @@ class Proxy(_base_proxy.BaseBlockStorageProxy):
             raise exceptions.SDKException(
                 'Object-store service is required for block-store backups'
             )
-        backup = _backup.BackupDetail if details else _backup.Backup
-        return self._list(backup, **query)
+        base_path = '/backups/detail' if details else None
+        return self._list(_backup.Backup, base_path=base_path, **query)
 
     def get_backup(self, backup):
         """Get a backup
diff --git a/openstack/block_storage/v2/backup.py b/openstack/block_storage/v2/backup.py
index 8b3c1f82f..ee3d53163 100644
--- a/openstack/block_storage/v2/backup.py
+++ b/openstack/block_storage/v2/backup.py
@@ -90,11 +90,4 @@ class Backup(resource.Resource):
         return self
 
 
-class BackupDetail(Backup):
-    """Volume Backup with Details"""
-    base_path = "/backups/detail"
-
-    # capabilities
-    allow_list = True
-
-    #: Properties
+BackupDetail = Backup
diff --git a/openstack/block_storage/v2/volume.py b/openstack/block_storage/v2/volume.py
index 28ed870ff..f1f1542a3 100644
--- a/openstack/block_storage/v2/volume.py
+++ b/openstack/block_storage/v2/volume.py
@@ -75,32 +75,6 @@ class Volume(resource.Resource):
     #: The timestamp of this volume creation.
     created_at = resource.Body("created_at")
 
-    def _action(self, session, body):
-        """Preform volume actions given the message body."""
-        # NOTE: This is using Volume.base_path instead of self.base_path
-        # as both Volume and VolumeDetail instances can be acted on, but
-        # the URL used is sans any additional /detail/ part.
-        url = utils.urljoin(Volume.base_path, self.id, 'action')
-        headers = {'Accept': ''}
-        return session.post(url, json=body, headers=headers)
-
-    def extend(self, session, size):
-        """Extend a volume size."""
-        body = {'os-extend': {'new_size': size}}
-        self._action(session, body)
-
-
-class VolumeDetail(Volume):
-
-    base_path = "/volumes/detail"
-
-    # capabilities
-    allow_fetch = False
-    allow_create = False
-    allow_delete = False
-    allow_commit = False
-    allow_list = True
-
     #: The volume's current back-end.
     host = resource.Body("os-vol-host-attr:host")
     #: The project ID associated with current back-end.
@@ -123,3 +97,20 @@ class VolumeDetail(Volume):
     #: ``True`` if this volume is encrypted, ``False`` if not.
     #: *Type: bool*
     is_encrypted = resource.Body("encrypted", type=format.BoolStr)
+
+    def _action(self, session, body):
+        """Preform volume actions given the message body."""
+        # NOTE: This is using Volume.base_path instead of self.base_path
+        # as both Volume and VolumeDetail instances can be acted on, but
+        # the URL used is sans any additional /detail/ part.
+        url = utils.urljoin(Volume.base_path, self.id, 'action')
+        headers = {'Accept': ''}
+        return session.post(url, json=body, headers=headers)
+
+    def extend(self, session, size):
+        """Extend a volume size."""
+        body = {'os-extend': {'new_size': size}}
+        self._action(session, body)
+
+
+VolumeDetail = Volume
diff --git a/openstack/block_storage/v3/_proxy.py b/openstack/block_storage/v3/_proxy.py
index 4295f9d41..6590b2fc3 100644
--- a/openstack/block_storage/v3/_proxy.py
+++ b/openstack/block_storage/v3/_proxy.py
@@ -147,11 +147,9 @@ class Proxy(_base_proxy.BaseBlockStorageProxy):
     def volumes(self, details=True, **query):
         """Retrieve a generator of volumes
 
-        :param bool details: When set to ``False``
-                    :class:`~openstack.block_storage.v3.volume.Volume` objects
-                    will be returned. The default, ``True``, will cause
-                    :class:`~openstack.block_storage.v3.volume.VolumeDetail`
-                    objects to be returned.
+        :param bool details: When set to ``False`` no extended attributes
+            will be returned. The default, ``True``, will cause objects with
+            additional attributes to be returned.
         :param kwargs query: Optional query parameters to be sent to limit
             the volumes being returned.  Available parameters include:
 
@@ -162,8 +160,8 @@ class Proxy(_base_proxy.BaseBlockStorageProxy):
 
         :returns: A generator of volume objects.
         """
-        volume = _volume.VolumeDetail if details else _volume.Volume
-        return self._list(volume, **query)
+        base_path = '/volumes/detail' if details else None
+        return self._list(_volume.Volume, base_path=base_path, **query)
 
     def create_volume(self, **attrs):
         """Create a new volume from attributes
@@ -215,10 +213,8 @@ class Proxy(_base_proxy.BaseBlockStorageProxy):
         """Retrieve a generator of backups
 
         :param bool details: When set to ``False``
-            :class:`~openstack.block_storage.v3.backup.Backup` objects
-            will be returned. The default, ``True``, will cause
-            :class:`~openstack.block_storage.v3.backup.BackupDetail`
-            objects to be returned.
+            no additional details will be returned. The default, ``True``,
+            will cause objects with additional attributes to be returned.
         :param dict query: Optional query parameters to be sent to limit the
             resources being returned:
 
@@ -239,8 +235,8 @@ class Proxy(_base_proxy.BaseBlockStorageProxy):
             raise exceptions.SDKException(
                 'Object-store service is required for block-store backups'
             )
-        backup = _backup.BackupDetail if details else _backup.Backup
-        return self._list(backup, **query)
+        base_path = '/backups/detail' if details else None
+        return self._list(_backup.Backup, base_path=base_path, **query)
 
     def get_backup(self, backup):
         """Get a backup
diff --git a/openstack/block_storage/v3/backup.py b/openstack/block_storage/v3/backup.py
index 8b3c1f82f..ee3d53163 100644
--- a/openstack/block_storage/v3/backup.py
+++ b/openstack/block_storage/v3/backup.py
@@ -90,11 +90,4 @@ class Backup(resource.Resource):
         return self
 
 
-class BackupDetail(Backup):
-    """Volume Backup with Details"""
-    base_path = "/backups/detail"
-
-    # capabilities
-    allow_list = True
-
-    #: Properties
+BackupDetail = Backup
diff --git a/openstack/block_storage/v3/volume.py b/openstack/block_storage/v3/volume.py
index 28ed870ff..f1f1542a3 100644
--- a/openstack/block_storage/v3/volume.py
+++ b/openstack/block_storage/v3/volume.py
@@ -75,32 +75,6 @@ class Volume(resource.Resource):
     #: The timestamp of this volume creation.
     created_at = resource.Body("created_at")
 
-    def _action(self, session, body):
-        """Preform volume actions given the message body."""
-        # NOTE: This is using Volume.base_path instead of self.base_path
-        # as both Volume and VolumeDetail instances can be acted on, but
-        # the URL used is sans any additional /detail/ part.
-        url = utils.urljoin(Volume.base_path, self.id, 'action')
-        headers = {'Accept': ''}
-        return session.post(url, json=body, headers=headers)
-
-    def extend(self, session, size):
-        """Extend a volume size."""
-        body = {'os-extend': {'new_size': size}}
-        self._action(session, body)
-
-
-class VolumeDetail(Volume):
-
-    base_path = "/volumes/detail"
-
-    # capabilities
-    allow_fetch = False
-    allow_create = False
-    allow_delete = False
-    allow_commit = False
-    allow_list = True
-
     #: The volume's current back-end.
     host = resource.Body("os-vol-host-attr:host")
     #: The project ID associated with current back-end.
@@ -123,3 +97,20 @@ class VolumeDetail(Volume):
     #: ``True`` if this volume is encrypted, ``False`` if not.
     #: *Type: bool*
     is_encrypted = resource.Body("encrypted", type=format.BoolStr)
+
+    def _action(self, session, body):
+        """Preform volume actions given the message body."""
+        # NOTE: This is using Volume.base_path instead of self.base_path
+        # as both Volume and VolumeDetail instances can be acted on, but
+        # the URL used is sans any additional /detail/ part.
+        url = utils.urljoin(Volume.base_path, self.id, 'action')
+        headers = {'Accept': ''}
+        return session.post(url, json=body, headers=headers)
+
+    def extend(self, session, size):
+        """Extend a volume size."""
+        body = {'os-extend': {'new_size': size}}
+        self._action(session, body)
+
+
+VolumeDetail = Volume
diff --git a/openstack/tests/unit/block_storage/v2/test_backup.py b/openstack/tests/unit/block_storage/v2/test_backup.py
index cc429d1b9..58512bfc5 100644
--- a/openstack/tests/unit/block_storage/v2/test_backup.py
+++ b/openstack/tests/unit/block_storage/v2/test_backup.py
@@ -10,7 +10,6 @@
 # License for the specific language governing permissions and limitations
 # under the License.
 
-import copy
 import mock
 
 from keystoneauth1 import adapter
@@ -38,12 +37,6 @@ BACKUP = {
     "has_dependent_backups": False
 }
 
-DETAILS = {
-}
-
-BACKUP_DETAIL = copy.copy(BACKUP)
-BACKUP_DETAIL.update(DETAILS)
-
 
 class TestBackup(base.TestCase):
 
@@ -92,30 +85,3 @@ class TestBackup(base.TestCase):
         self.assertEqual(BACKUP["size"], sot.size)
         self.assertEqual(BACKUP["has_dependent_backups"],
                          sot.has_dependent_backups)
-
-
-class TestBackupDetail(base.TestCase):
-
-    def test_basic(self):
-        sot = backup.BackupDetail(BACKUP_DETAIL)
-        self.assertIsInstance(sot, backup.Backup)
-        self.assertEqual("/backups/detail", sot.base_path)
-
-    def test_create(self):
-        sot = backup.Backup(**BACKUP_DETAIL)
-        self.assertEqual(BACKUP_DETAIL["id"], sot.id)
-        self.assertEqual(BACKUP_DETAIL["name"], sot.name)
-        self.assertEqual(BACKUP_DETAIL["status"], sot.status)
-        self.assertEqual(BACKUP_DETAIL["container"], sot.container)
-        self.assertEqual(BACKUP_DETAIL["availability_zone"],
-                         sot.availability_zone)
-        self.assertEqual(BACKUP_DETAIL["created_at"], sot.created_at)
-        self.assertEqual(BACKUP_DETAIL["updated_at"], sot.updated_at)
-        self.assertEqual(BACKUP_DETAIL["description"], sot.description)
-        self.assertEqual(BACKUP_DETAIL["fail_reason"], sot.fail_reason)
-        self.assertEqual(BACKUP_DETAIL["volume_id"], sot.volume_id)
-        self.assertEqual(BACKUP_DETAIL["object_count"], sot.object_count)
-        self.assertEqual(BACKUP_DETAIL["is_incremental"], sot.is_incremental)
-        self.assertEqual(BACKUP_DETAIL["size"], sot.size)
-        self.assertEqual(BACKUP_DETAIL["has_dependent_backups"],
-                         sot.has_dependent_backups)
diff --git a/openstack/tests/unit/block_storage/v2/test_proxy.py b/openstack/tests/unit/block_storage/v2/test_proxy.py
index 1e0a7d061..44267ec2c 100644
--- a/openstack/tests/unit/block_storage/v2/test_proxy.py
+++ b/openstack/tests/unit/block_storage/v2/test_proxy.py
@@ -70,9 +70,10 @@ class TestVolumeProxy(test_proxy_base.TestProxyBase):
         self.verify_get(self.proxy.get_volume, volume.Volume)
 
     def test_volumes_detailed(self):
-        self.verify_list(self.proxy.volumes, volume.VolumeDetail,
+        self.verify_list(self.proxy.volumes, volume.Volume,
                          method_kwargs={"details": True, "query": 1},
-                         expected_kwargs={"query": 1})
+                         expected_kwargs={"query": 1,
+                                          "base_path": "/volumes/detail"})
 
     def test_volumes_not_detailed(self):
         self.verify_list(self.proxy.volumes, volume.Volume,
@@ -101,9 +102,10 @@ class TestVolumeProxy(test_proxy_base.TestProxyBase):
         # NOTE: mock has_service
         self.proxy._connection = mock.Mock()
         self.proxy._connection.has_service = mock.Mock(return_value=True)
-        self.verify_list(self.proxy.backups, backup.BackupDetail,
+        self.verify_list(self.proxy.backups, backup.Backup,
                          method_kwargs={"details": True, "query": 1},
-                         expected_kwargs={"query": 1})
+                         expected_kwargs={"query": 1,
+                                          "base_path": "/backups/detail"})
 
     def test_backups_not_detailed(self):
         # NOTE: mock has_service
diff --git a/openstack/tests/unit/block_storage/v2/test_volume.py b/openstack/tests/unit/block_storage/v2/test_volume.py
index da20309c8..d19755981 100644
--- a/openstack/tests/unit/block_storage/v2/test_volume.py
+++ b/openstack/tests/unit/block_storage/v2/test_volume.py
@@ -10,7 +10,6 @@
 # License for the specific language governing permissions and limitations
 # under the License.
 
-import copy
 import mock
 
 from openstack.tests.unit import base
@@ -42,10 +41,7 @@ VOLUME = {
     "metadata": {},
     "volume_image_metadata": IMAGE_METADATA,
     "id": FAKE_ID,
-    "size": 10
-}
-
-DETAILS = {
+    "size": 10,
     "os-vol-host-attr:host": "127.0.0.1",
     "os-vol-tenant-attr:tenant_id": "some tenant",
     "os-vol-mig-status-attr:migstat": "done",
@@ -55,12 +51,9 @@ DETAILS = {
     "consistencygroup_id": "123asf-asdf123",
     "os-volume-replication:driver_data": "ahasadfasdfasdfasdfsdf",
     "snapshot_id": "93c2e2aa-7744-4fd6-a31a-80c4726b08d7",
-    "encrypted": "false",
+    "encrypted": "false"
 }
 
-VOLUME_DETAIL = copy.copy(VOLUME)
-VOLUME_DETAIL.update(DETAILS)
-
 
 class TestVolume(base.TestCase):
 
@@ -108,6 +101,23 @@ class TestVolume(base.TestCase):
                          sot.volume_image_metadata)
         self.assertEqual(VOLUME["size"], sot.size)
         self.assertEqual(VOLUME["imageRef"], sot.image_id)
+        self.assertEqual(VOLUME["os-vol-host-attr:host"], sot.host)
+        self.assertEqual(VOLUME["os-vol-tenant-attr:tenant_id"],
+                         sot.project_id)
+        self.assertEqual(VOLUME["os-vol-mig-status-attr:migstat"],
+                         sot.migration_status)
+        self.assertEqual(VOLUME["os-vol-mig-status-attr:name_id"],
+                         sot.migration_id)
+        self.assertEqual(VOLUME["replication_status"],
+                         sot.replication_status)
+        self.assertEqual(
+            VOLUME["os-volume-replication:extended_status"],
+            sot.extended_replication_status)
+        self.assertEqual(VOLUME["consistencygroup_id"],
+                         sot.consistency_group_id)
+        self.assertEqual(VOLUME["os-volume-replication:driver_data"],
+                         sot.replication_driver_data)
+        self.assertFalse(sot.is_encrypted)
 
     def test_extend(self):
         sot = volume.Volume(**VOLUME)
@@ -118,36 +128,3 @@ class TestVolume(base.TestCase):
         body = {"os-extend": {"new_size": "20"}}
         headers = {'Accept': ''}
         self.sess.post.assert_called_with(url, json=body, headers=headers)
-
-
-class TestVolumeDetail(base.TestCase):
-
-    def test_basic(self):
-        sot = volume.VolumeDetail(VOLUME_DETAIL)
-        self.assertIsInstance(sot, volume.Volume)
-        self.assertEqual("/volumes/detail", sot.base_path)
-        self.assertFalse(sot.allow_fetch)
-        self.assertFalse(sot.allow_commit)
-        self.assertFalse(sot.allow_create)
-        self.assertFalse(sot.allow_delete)
-        self.assertTrue(sot.allow_list)
-
-    def test_create(self):
-        sot = volume.VolumeDetail(**VOLUME_DETAIL)
-        self.assertEqual(VOLUME_DETAIL["os-vol-host-attr:host"], sot.host)
-        self.assertEqual(VOLUME_DETAIL["os-vol-tenant-attr:tenant_id"],
-                         sot.project_id)
-        self.assertEqual(VOLUME_DETAIL["os-vol-mig-status-attr:migstat"],
-                         sot.migration_status)
-        self.assertEqual(VOLUME_DETAIL["os-vol-mig-status-attr:name_id"],
-                         sot.migration_id)
-        self.assertEqual(VOLUME_DETAIL["replication_status"],
-                         sot.replication_status)
-        self.assertEqual(
-            VOLUME_DETAIL["os-volume-replication:extended_status"],
-            sot.extended_replication_status)
-        self.assertEqual(VOLUME_DETAIL["consistencygroup_id"],
-                         sot.consistency_group_id)
-        self.assertEqual(VOLUME_DETAIL["os-volume-replication:driver_data"],
-                         sot.replication_driver_data)
-        self.assertFalse(sot.is_encrypted)
diff --git a/openstack/tests/unit/block_storage/v3/test_backup.py b/openstack/tests/unit/block_storage/v3/test_backup.py
index 509d1ac24..4d206c452 100644
--- a/openstack/tests/unit/block_storage/v3/test_backup.py
+++ b/openstack/tests/unit/block_storage/v3/test_backup.py
@@ -10,7 +10,6 @@
 # License for the specific language governing permissions and limitations
 # under the License.
 
-import copy
 import mock
 
 from keystoneauth1 import adapter
@@ -38,12 +37,6 @@ BACKUP = {
     "has_dependent_backups": False
 }
 
-DETAILS = {
-}
-
-BACKUP_DETAIL = copy.copy(BACKUP)
-BACKUP_DETAIL.update(DETAILS)
-
 
 class TestBackup(base.TestCase):
 
@@ -92,30 +85,3 @@ class TestBackup(base.TestCase):
         self.assertEqual(BACKUP["size"], sot.size)
         self.assertEqual(BACKUP["has_dependent_backups"],
                          sot.has_dependent_backups)
-
-
-class TestBackupDetail(base.TestCase):
-
-    def test_basic(self):
-        sot = backup.BackupDetail(BACKUP_DETAIL)
-        self.assertIsInstance(sot, backup.Backup)
-        self.assertEqual("/backups/detail", sot.base_path)
-
-    def test_create(self):
-        sot = backup.Backup(**BACKUP_DETAIL)
-        self.assertEqual(BACKUP_DETAIL["id"], sot.id)
-        self.assertEqual(BACKUP_DETAIL["name"], sot.name)
-        self.assertEqual(BACKUP_DETAIL["status"], sot.status)
-        self.assertEqual(BACKUP_DETAIL["container"], sot.container)
-        self.assertEqual(BACKUP_DETAIL["availability_zone"],
-                         sot.availability_zone)
-        self.assertEqual(BACKUP_DETAIL["created_at"], sot.created_at)
-        self.assertEqual(BACKUP_DETAIL["updated_at"], sot.updated_at)
-        self.assertEqual(BACKUP_DETAIL["description"], sot.description)
-        self.assertEqual(BACKUP_DETAIL["fail_reason"], sot.fail_reason)
-        self.assertEqual(BACKUP_DETAIL["volume_id"], sot.volume_id)
-        self.assertEqual(BACKUP_DETAIL["object_count"], sot.object_count)
-        self.assertEqual(BACKUP_DETAIL["is_incremental"], sot.is_incremental)
-        self.assertEqual(BACKUP_DETAIL["size"], sot.size)
-        self.assertEqual(BACKUP_DETAIL["has_dependent_backups"],
-                         sot.has_dependent_backups)
diff --git a/openstack/tests/unit/block_storage/v3/test_proxy.py b/openstack/tests/unit/block_storage/v3/test_proxy.py
index f0057f7de..12a4c77c0 100644
--- a/openstack/tests/unit/block_storage/v3/test_proxy.py
+++ b/openstack/tests/unit/block_storage/v3/test_proxy.py
@@ -70,9 +70,10 @@ class TestVolumeProxy(test_proxy_base.TestProxyBase):
         self.verify_get(self.proxy.get_volume, volume.Volume)
 
     def test_volumes_detailed(self):
-        self.verify_list(self.proxy.volumes, volume.VolumeDetail,
+        self.verify_list(self.proxy.volumes, volume.Volume,
                          method_kwargs={"details": True, "query": 1},
-                         expected_kwargs={"query": 1})
+                         expected_kwargs={"query": 1,
+                                          "base_path": "/volumes/detail"})
 
     def test_volumes_not_detailed(self):
         self.verify_list(self.proxy.volumes, volume.Volume,
@@ -101,9 +102,10 @@ class TestVolumeProxy(test_proxy_base.TestProxyBase):
         # NOTE: mock has_service
         self.proxy._connection = mock.Mock()
         self.proxy._connection.has_service = mock.Mock(return_value=True)
-        self.verify_list(self.proxy.backups, backup.BackupDetail,
+        self.verify_list(self.proxy.backups, backup.Backup,
                          method_kwargs={"details": True, "query": 1},
-                         expected_kwargs={"query": 1})
+                         expected_kwargs={"query": 1,
+                                          "base_path": "/backups/detail"})
 
     def test_backups_not_detailed(self):
         # NOTE: mock has_service
diff --git a/openstack/tests/unit/block_storage/v3/test_volume.py b/openstack/tests/unit/block_storage/v3/test_volume.py
index 6519dbe94..e16f39aa6 100644
--- a/openstack/tests/unit/block_storage/v3/test_volume.py
+++ b/openstack/tests/unit/block_storage/v3/test_volume.py
@@ -10,7 +10,6 @@
 # License for the specific language governing permissions and limitations
 # under the License.
 
-import copy
 import mock
 
 from openstack.tests.unit import base
@@ -42,10 +41,7 @@ VOLUME = {
     "metadata": {},
     "volume_image_metadata": IMAGE_METADATA,
     "id": FAKE_ID,
-    "size": 10
-}
-
-DETAILS = {
+    "size": 10,
     "os-vol-host-attr:host": "127.0.0.1",
     "os-vol-tenant-attr:tenant_id": "some tenant",
     "os-vol-mig-status-attr:migstat": "done",
@@ -55,12 +51,9 @@ DETAILS = {
     "consistencygroup_id": "123asf-asdf123",
     "os-volume-replication:driver_data": "ahasadfasdfasdfasdfsdf",
     "snapshot_id": "93c2e2aa-7744-4fd6-a31a-80c4726b08d7",
-    "encrypted": "false",
+    "encrypted": "false"
 }
 
-VOLUME_DETAIL = copy.copy(VOLUME)
-VOLUME_DETAIL.update(DETAILS)
-
 
 class TestVolume(base.TestCase):
 
@@ -108,6 +101,23 @@ class TestVolume(base.TestCase):
                          sot.volume_image_metadata)
         self.assertEqual(VOLUME["size"], sot.size)
         self.assertEqual(VOLUME["imageRef"], sot.image_id)
+        self.assertEqual(VOLUME["os-vol-host-attr:host"], sot.host)
+        self.assertEqual(VOLUME["os-vol-tenant-attr:tenant_id"],
+                         sot.project_id)
+        self.assertEqual(VOLUME["os-vol-mig-status-attr:migstat"],
+                         sot.migration_status)
+        self.assertEqual(VOLUME["os-vol-mig-status-attr:name_id"],
+                         sot.migration_id)
+        self.assertEqual(VOLUME["replication_status"],
+                         sot.replication_status)
+        self.assertEqual(
+            VOLUME["os-volume-replication:extended_status"],
+            sot.extended_replication_status)
+        self.assertEqual(VOLUME["consistencygroup_id"],
+                         sot.consistency_group_id)
+        self.assertEqual(VOLUME["os-volume-replication:driver_data"],
+                         sot.replication_driver_data)
+        self.assertFalse(sot.is_encrypted)
 
     def test_extend(self):
         sot = volume.Volume(**VOLUME)
@@ -118,36 +128,3 @@ class TestVolume(base.TestCase):
         body = {"os-extend": {"new_size": "20"}}
         headers = {'Accept': ''}
         self.sess.post.assert_called_with(url, json=body, headers=headers)
-
-
-class TestVolumeDetail(base.TestCase):
-
-    def test_basic(self):
-        sot = volume.VolumeDetail(VOLUME_DETAIL)
-        self.assertIsInstance(sot, volume.Volume)
-        self.assertEqual("/volumes/detail", sot.base_path)
-        self.assertFalse(sot.allow_fetch)
-        self.assertFalse(sot.allow_commit)
-        self.assertFalse(sot.allow_create)
-        self.assertFalse(sot.allow_delete)
-        self.assertTrue(sot.allow_list)
-
-    def test_create(self):
-        sot = volume.VolumeDetail(**VOLUME_DETAIL)
-        self.assertEqual(VOLUME_DETAIL["os-vol-host-attr:host"], sot.host)
-        self.assertEqual(VOLUME_DETAIL["os-vol-tenant-attr:tenant_id"],
-                         sot.project_id)
-        self.assertEqual(VOLUME_DETAIL["os-vol-mig-status-attr:migstat"],
-                         sot.migration_status)
-        self.assertEqual(VOLUME_DETAIL["os-vol-mig-status-attr:name_id"],
-                         sot.migration_id)
-        self.assertEqual(VOLUME_DETAIL["replication_status"],
-                         sot.replication_status)
-        self.assertEqual(
-            VOLUME_DETAIL["os-volume-replication:extended_status"],
-            sot.extended_replication_status)
-        self.assertEqual(VOLUME_DETAIL["consistencygroup_id"],
-                         sot.consistency_group_id)
-        self.assertEqual(VOLUME_DETAIL["os-volume-replication:driver_data"],
-                         sot.replication_driver_data)
-        self.assertFalse(sot.is_encrypted)
diff --git a/releasenotes/notes/remove-block-store-details-classes-158ab1f46655320a.yaml b/releasenotes/notes/remove-block-store-details-classes-158ab1f46655320a.yaml
new file mode 100644
index 000000000..b53b6b182
--- /dev/null
+++ b/releasenotes/notes/remove-block-store-details-classes-158ab1f46655320a.yaml
@@ -0,0 +1,6 @@
+---
+deprecations:
+  - |
+    Requesting volumes or backups with details from block_storage will return
+    objects of classes Volume and Backup correspondingly, instead
+    of VolumeDetail and BackupDetail.