diff --git a/ext/testlib/configuration.py b/ext/testlib/configuration.py
index b7c4697fbc..cebb98f3a8 100644
--- a/ext/testlib/configuration.py
+++ b/ext/testlib/configuration.py
@@ -84,7 +84,6 @@ import os
 import re
 
 from six import add_metaclass
-from six.moves import configparser as ConfigParser
 from pickle import HIGHEST_PROTOCOL as highest_pickle_protocol
 
 from testlib.helper import absdirpath, AttrDict, FrozenAttrDict
@@ -132,11 +131,6 @@ class _Config(object):
         self._run_post_processors()
         self._initialized = True
 
-    def _init_with_dicts(self, config, defaults):
-        self._config = config
-        self._defaults = defaults
-        self._initialized = True
-
     def _add_post_processor(self, attr, post_processor):
         '''
         :param attr: Attribute to pass to and recieve from the
@@ -220,7 +214,6 @@ def define_defaults(defaults):
                                                       os.pardir,
                                                       os.pardir))
     defaults.result_path = os.path.join(os.getcwd(), '.testing-results')
-    defaults.list_only_failed = False
     defaults.resource_url = 'http://dist.gem5.org/dist/develop'
 
 def define_constants(constants):