diff --git a/tripleo_common/actions/package_update.py b/tripleo_common/actions/package_update.py
index d7969c9a9..498cdc581 100644
--- a/tripleo_common/actions/package_update.py
+++ b/tripleo_common/actions/package_update.py
@@ -28,11 +28,10 @@ LOG = logging.getLogger(__name__)
 
 class UpdateStackAction(templates.ProcessTemplatesAction):
 
-    def __init__(self, timeout, container_registry, ceph_ansible_playbook,
+    def __init__(self, timeout, ceph_ansible_playbook,
                  container=constants.DEFAULT_CONTAINER_NAME):
         super(UpdateStackAction, self).__init__(container)
         self.timeout_mins = timeout
-        self.container_registry = container_registry
         self.ceph_ansible_playbook = ceph_ansible_playbook
 
     def run(self, context):
@@ -56,8 +55,6 @@ class UpdateStackAction(templates.ProcessTemplatesAction):
             return actions.Result(error=err_msg)
 
         update_env = {}
-        if self.container_registry is not None:
-            update_env.update(self.container_registry)
 
         noop_env = {
             'resource_registry': {
@@ -78,8 +75,6 @@ class UpdateStackAction(templates.ProcessTemplatesAction):
         update_env.update(noop_env)
         template_utils.deep_update(env, update_env)
         parameters = {}
-        if self.container_registry is not None:
-            parameters.update(self.container_registry['parameter_defaults'])
         if self.ceph_ansible_playbook:
             parameters.update({'CephAnsiblePlaybook': '%s' %
                                self.ceph_ansible_playbook})
diff --git a/tripleo_common/tests/actions/test_package_update.py b/tripleo_common/tests/actions/test_package_update.py
index 63e2ec859..0fbf0619d 100644
--- a/tripleo_common/tests/actions/test_package_update.py
+++ b/tripleo_common/tests/actions/test_package_update.py
@@ -98,24 +98,13 @@ class UpdateStackActionTest(base.TestCase):
         update_env = {'resource_registry':
                       {'OS::TripleO::DeploymentSteps': 'OS::Heat::None'}}
         mock_getenv.return_value = env
-        fake_registry = {'parameter_defaults':
-                         {'DockerKeystoneImage': '192.168.24.1:8787/'
-                                                 'keystone-docker:latest',
-                          'DockerHeatApiImage:': '192.168.24.1:8787/'
-                                                 'heat-api-docker:latest'}}
-        update_env.update(fake_registry)
         mock_swift.get_object.return_value = ({}, env)
         mock_object_client.return_value = mock_swift
 
-        action = package_update.UpdateStackAction(self.timeout, fake_registry,
+        action = package_update.UpdateStackAction(self.timeout,
                                                   container=self.container,
                                                   ceph_ansible_playbook=None)
         action.run(mock_ctx)
-        mock_updateinenv.assert_called_once_with(
-            mock_swift, env, 'parameter_defaults',
-            fake_registry['parameter_defaults']
-        )
-
         mock_deepupdate.assert_called_once_with(env, update_env)
 
         heat.stacks.update.assert_called_once_with('stack_id')
diff --git a/workbooks/package_update.yaml b/workbooks/package_update.yaml
index 4ad972c23..407db5abe 100644
--- a/workbooks/package_update.yaml
+++ b/workbooks/package_update.yaml
@@ -11,7 +11,7 @@ workflows:
 
     input:
       - container
-      - container_registry
+      - container_registry: ''
       - ceph_ansible_playbook
       - timeout: 240
       - queue_name: tripleo
@@ -27,7 +27,6 @@ workflows:
         input:
           timeout: <% $.timeout %>
           container: <% $.container %>
-          container_registry: <% $.container_registry %>
           ceph_ansible_playbook: <% $.ceph_ansible_playbook %>
         on-success: clean_plan
         on-error: set_update_failed