diff --git a/nova/cache_utils.py b/nova/cache_utils.py
index 6a5bd4418ae1..1892e93f75f2 100644
--- a/nova/cache_utils.py
+++ b/nova/cache_utils.py
@@ -109,22 +109,8 @@ class CacheClient(object):
             return None
         return value
 
-    def get_or_create(self, key, creator):
-        return self.region.get_or_create(key, creator)
-
     def set(self, key, value):
         return self.region.set(key, value)
 
-    def add(self, key, value):
-        return self.region.get_or_create(key, lambda: value)
-
     def delete(self, key):
         return self.region.delete(key)
-
-    def get_multi(self, keys):
-        values = self.region.get_multi(keys)
-        return [None if value is cache.NO_VALUE else value for value in
-                values]
-
-    def delete_multi(self, keys):
-        return self.region.delete_multi(keys)
diff --git a/nova/tests/unit/compute/test_compute.py b/nova/tests/unit/compute/test_compute.py
index 7e52aea5a582..87960f49ad58 100644
--- a/nova/tests/unit/compute/test_compute.py
+++ b/nova/tests/unit/compute/test_compute.py
@@ -11644,7 +11644,8 @@ class ComputeAPIAggrTestCase(BaseTestCase):
                     'foo_key2': 'foo_value2',
                     'availability_zone': 'fake_zone'}
         fake_notifier.NOTIFICATIONS = []
-        availability_zones._get_cache().add('fake_key', 'fake_value')
+        availability_zones._get_cache().region.get_or_create(
+            'fake_ky', lambda: 'fake_value')
         aggr = self.api.update_aggregate_metadata(self.context, aggr.id,
                                                   metadata)
         self.assertIsNone(availability_zones._get_cache().get('fake_key'))
diff --git a/nova/tests/unit/test_availability_zones.py b/nova/tests/unit/test_availability_zones.py
index 020b7188a8cb..94cbca9fc37a 100644
--- a/nova/tests/unit/test_availability_zones.py
+++ b/nova/tests/unit/test_availability_zones.py
@@ -78,7 +78,7 @@ class AvailabilityZoneTestCases(test.TestCase):
         aggregate.delete_host(service['host'])
 
     def test_rest_availability_zone_reset_cache(self):
-        az._get_cache().add('cache', 'fake_value')
+        az._get_cache().region.get_or_create('cache', lambda: 'fake_value')
         az.reset_cache()
         self.assertIsNone(az._get_cache().get('cache'))