--- a/cwconfig.py	Tue Aug 19 00:16:02 2014 +0200
+++ b/cwconfig.py	Wed Jul 09 15:50:23 2014 +0200
@@ -1184,11 +1184,6 @@
             print 'warning: ignoring specified sources, requires a repository '\
                   'configuration'
 
-    def migration_handler(self):
-        """return a migration handler instance"""
-        from cubicweb.migration import MigrationHelper
-        return MigrationHelper(self, verbosity=self.verbosity)
-
     def i18ncompile(self, langs=None):
         from cubicweb import i18n
         if langs is None: