diff --git a/nova/objects/instance_pci_requests.py b/nova/objects/instance_pci_requests.py
index 3a7477f8e3c7..7d35af794aeb 100644
--- a/nova/objects/instance_pci_requests.py
+++ b/nova/objects/instance_pci_requests.py
@@ -82,14 +82,6 @@ class InstancePCIRequests(base.NovaObject,
         'requests': fields.ListOfObjectsField('InstancePCIRequest'),
     }
 
-    def obj_make_compatible(self, primitive, target_version):
-        target_version = versionutils.convert_version_to_tuple(target_version)
-        if target_version < (1, 1) and 'requests' in primitive:
-            for index, request in enumerate(self.requests):
-                request.obj_make_compatible(
-                    primitive['requests'][index]['nova_object.data'], '1.0')
-                primitive['requests'][index]['nova_object.version'] = '1.0'
-
     @classmethod
     def obj_from_db(cls, context, instance_uuid, db_requests):
         self = cls(context=context, requests=[],
diff --git a/nova/tests/unit/objects/test_instance_pci_requests.py b/nova/tests/unit/objects/test_instance_pci_requests.py
index 2ccd7397b0ce..f3b324cdb1f6 100644
--- a/nova/tests/unit/objects/test_instance_pci_requests.py
+++ b/nova/tests/unit/objects/test_instance_pci_requests.py
@@ -99,20 +99,6 @@ class _TestInstancePCIRequests(object):
         self.assertEqual('alias_2', requests.requests[1].alias_name)
         self.assertTrue(requests.requests[1].is_new)
 
-    def test_backport_1_0(self):
-        requests = objects.InstancePCIRequests(
-            requests=[objects.InstancePCIRequest(count=1,
-                                                 request_id=FAKE_UUID),
-                      objects.InstancePCIRequest(count=2,
-                                                 request_id=FAKE_UUID)])
-        primitive = requests.obj_to_primitive(target_version='1.0')
-        backported = objects.InstancePCIRequests.obj_from_primitive(
-            primitive)
-        self.assertEqual('1.0', backported.VERSION)
-        self.assertEqual(2, len(backported.requests))
-        self.assertFalse(backported.requests[0].obj_attr_is_set('request_id'))
-        self.assertFalse(backported.requests[1].obj_attr_is_set('request_id'))
-
     def test_obj_from_db(self):
         req = objects.InstancePCIRequests.obj_from_db(None, FAKE_UUID, None)
         self.assertEqual(FAKE_UUID, req.instance_uuid)