diff --git a/ironic/common/exception.py b/ironic/common/exception.py
index 0db5014923..5727450c85 100644
--- a/ironic/common/exception.py
+++ b/ironic/common/exception.py
@@ -45,11 +45,6 @@ CONF = cfg.CONF
 CONF.register_opts(exc_log_opts)
 
 
-def _cleanse_dict(original):
-    """Strip all admin_password, new_pass, rescue_pass keys from a dict."""
-    return dict((k, v) for k, v in original.items() if "_pass" not in k)
-
-
 class IronicException(Exception):
     """Base Ironic Exception
 
@@ -115,12 +110,6 @@ class IronicException(Exception):
         """Return a unicode representation of the exception message."""
         return unicode(self.args[0])
 
-    def format_message(self):
-        if self.__class__.__name__.endswith('_Remote'):
-            return self.args[0]
-        else:
-            return six.text_type(self)
-
 
 class NotAuthorized(IronicException):
     _msg_fmt = _("Not authorized.")