diff --git a/magnum/conf/services.py b/magnum/conf/services.py
index 3e6a61cca4..9c8f4be6c3 100644
--- a/magnum/conf/services.py
+++ b/magnum/conf/services.py
@@ -16,7 +16,6 @@ from magnum.i18n import _
 
 service_opts = [
     cfg.StrOpt('host',
-               default=None,
                help=_('Name of this node. This can be an opaque identifier. '
                       'It is not necessarily a hostname, FQDN, or IP address. '
                       'However, the node name must be valid within '
diff --git a/magnum/tests/functional/tempest_tests/config.py b/magnum/tests/functional/tempest_tests/config.py
index e9050e70cf..e2538b2942 100644
--- a/magnum/tests/functional/tempest_tests/config.py
+++ b/magnum/tests/functional/tempest_tests/config.py
@@ -45,7 +45,6 @@ MagnumGroup = [
                help="Flavor id to use for ClusterTemplate."),
 
     cfg.StrOpt("magnum_url",
-               default=None,
                help="Bypass URL for Magnum to skip service catalog lookup"),
 
     cfg.StrOpt("master_flavor_id",