diff --git a/ironic/common/utils.py b/ironic/common/utils.py
index 697b11da27..4cbb608cb3 100644
--- a/ironic/common/utils.py
+++ b/ironic/common/utils.py
@@ -43,7 +43,6 @@ utils_opts = [
                help='Path to the rootwrap configuration file to use for '
                     'running commands as root.'),
     cfg.StrOpt('tempdir',
-               default=None,
                help='Explicitly specify the temporary working directory.'),
 ]
 
diff --git a/ironic/conductor/manager.py b/ironic/conductor/manager.py
index 3a5368deca..6f05db90f0 100644
--- a/ironic/conductor/manager.py
+++ b/ironic/conductor/manager.py
@@ -71,7 +71,6 @@ LOG = log.getLogger(__name__)
 
 conductor_opts = [
         cfg.StrOpt('api_url',
-                   default=None,
                    help=('URL of Ironic API service. If not set ironic can '
                          'get the current value from the keystone service '
                          'catalog.')),