diff --git a/designate/backend/impl_designate.py b/designate/backend/impl_designate.py
index 3f54698fe..29e7be04c 100644
--- a/designate/backend/impl_designate.py
+++ b/designate/backend/impl_designate.py
@@ -15,7 +15,6 @@
 # under the License.
 from designateclient.v2 import client
 from designateclient import exceptions
-from keystoneauth1.identity import v2 as v2_auth
 from keystoneauth1.identity import v3 as v3_auth
 from keystoneauth1 import session as ks_session
 from oslo_log import log as logging
@@ -41,16 +40,12 @@ class DesignateBackend(base.Backend):
         self.username = self.options.get('username')
         self.password = self.options.get('password')
 
-        # ks v2
-        self.tenant_name = self.options.get('tenant_name')
-        self.tenant_id = self.options.get('tenant_id')
-
-        # ks v3
         self.project_name = self.options.get('project_name')
         self.project_domain_name = self.options.get(
             'project_domain_name', 'default')
         self.user_domain_name = self.options.get('user_domain_name', 'default')
         self.service_type = self.options.get('service_type', 'dns')
+        self.region_name = self.options.get('region_name')
 
     @property
     def client(self):
@@ -60,27 +55,21 @@ class DesignateBackend(base.Backend):
         if self._client is not None:
             return self._client
 
-        if (self.tenant_id is not None or self.tenant_name is not None):
-            auth = v2_auth.Password(
-                auth_url=self.auth_url,
-                username=self.username,
-                password=self.password,
-                tenant_id=self.tenant_id,
-                tenant_name=self.tenant_name)
-        elif self.project_name is not None:
-            auth = v3_auth.Password(
-                auth_url=self.auth_url,
-                username=self.username,
-                password=self.password,
-                project_name=self.project_name,
-                project_domain_name=self.project_domain_name,
-                user_domain_name=self.user_domain_name)
-        else:
-            auth = None
+        auth = v3_auth.Password(
+            auth_url=self.auth_url,
+            username=self.username,
+            password=self.password,
+            project_name=self.project_name,
+            project_domain_name=self.project_domain_name,
+            user_domain_name=self.user_domain_name,
+        )
 
         session = ks_session.Session(auth=auth)
         self._client = client.Client(
-            session=session, service_type=self.service_type)
+            session=session,
+            service_type=self.service_type,
+            region_name=self.region_name,
+        )
         return self._client
 
     def create_zone(self, context, zone):
diff --git a/designate/tests/unit/backend/test_designate.py b/designate/tests/unit/backend/test_designate.py
index f32c389e0..64b20b232 100644
--- a/designate/tests/unit/backend/test_designate.py
+++ b/designate/tests/unit/backend/test_designate.py
@@ -47,6 +47,7 @@ class DesignateBackendTestCase(tests.TestCase):
                 {'key': 'project_name', 'value': 'project'},
                 {'key': 'project_zone_name', 'value': 'project_zone'},
                 {'key': 'user_zone_name', 'value': 'user_zone'},
+                {'key': 'region_name', 'value': 'RegionOne'},
             ],
         }
 
diff --git a/devstack/designate_plugins/backend-designate b/devstack/designate_plugins/backend-designate
index d9da65cf9..1fe666e30 100644
--- a/devstack/designate_plugins/backend-designate
+++ b/devstack/designate_plugins/backend-designate
@@ -33,21 +33,13 @@ DESIGNATE_D2D_ALSO_NOTIES=${DESIGNATE_D2D_ALSO_NOTIES:-""}
 # DNS server to check SOA etc against
 DESIGNATE_D2D_NAMESERVERS=${DESIGNATE_D2D_NAMESERVERS:-""}
 
-# Destination openstack credentials
-DESIGNATE_D2D_KS_VERSION=${DESIGNATE_D2D_KS_VERSION:-3}
-
 DESIGNATE_D2D_AUTH_URL=${DESIGNATE_D2D_AUTH_URL:-}
 DESIGNATE_D2D_USERNAME=${DESIGNATE_D2D_USERNAME:-}
 DESIGNATE_D2D_PASSWORD=${DESIGNATE_D2D_PASSWORD:-}
-
-# Keystone V2
-DESIGNATE_D2D_TENANT_NAME=${DESIGNATE_D2D_TENANT_NAME:-}
-DESIGNATE_D2D_TENANT_NAME=${DESIGNATE_D2D_TENANT_ID:-}
-
-# Keystone V3
 DESIGNATE_D2D_PROJECT_NAME=${DESIGNATE_D2D_PROJECT_NAME:-}
 DESIGNATE_D2D_PROJECT_DOMAIN_NAME=${DESIGNATE_D2D_PROJECT_DOMAIN_NAME:-}
 DESIGNATE_D2D_USER_DOMAIN_NAME=${DESIGNATE_D2D_USER_DOMAIN_NAME:-}
+DESIGNATE_D2D_REGION_NAME=${DESIGNATE_D2D_REGION_NAME:-}
 
 
 # Entry Points
@@ -64,21 +56,9 @@ function configure_designate_backend {
     iniset $DESIGNATE_CONF pool_target:$DESIGNATE_TARGET_ID masters $DESIGNATE_D2D_MASTERS
 
     options="auth_url: $DESIGNATE_D2D_AUTH_URL, username: $DESIGNATE_D2D_USERNAME, password: $DESIGNATE_D2D_PASSWORD,"
-    if [ "$DESIGNATE_D2D_KS_VERSION" == "2" ]; then
-        if [ ! -z "$DESIGNATE_D2D_TENANT_NAME" ]; then
-        options="$options tenant_name=$DESIGNATE_D2D_TENANT_NAME,"
-        fi
+    options="$options project_name: $DESIGNATE_D2D_PROJECT_NAME, project_domain_name: $DESIGNATE_D2D_PROJECT_DOMAIN_NAME, user_domain_name: $DESIGNATE_D2D_USER_DOMAIN_NAME, region_name: $DESIGNATE_D2D_REGION_NAME"
 
-        if [ ! -z "$DESIGNATE_D2D_TENANT_ID" ]; then
-            options="$options tenant_id=$DESIGNATE_D2D_TENANT_ID,"
-        fi
-    fi
-
-    if [ ! -z "$DESIGNATE_D2D_KS_VERSION" == "3" ]; then
-        options="$options project_name: $DESIGNATE_D2D_PROJECT_NAME, project_domain_name=$DESIGNATE_D2D_PROJECT_DOMAIN_NAME, user_domain_name=$DESIGNATE_D2D_USER_DOMAIN_NAME"
-    fi
-
-    iniset $DESIGNATE_CONF pool_target:$DESIGNATE_TARGET_ID options $options
+    iniset $DESIGNATE_CONF pool_target:$DESIGNATE_TARGET_ID options "$options"
 
     # Create a Pool Nameserver for each of the Designate nameservers
     local nameserver_ids=""