diff -r 058bb3dc685f -r 0b59724cb3f2 misc/migration/3.10.0_Any.py
--- a/misc/migration/3.10.0_Any.py	Mon Jan 04 18:40:30 2016 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,37 +0,0 @@
-from six import text_type
-
-from cubicweb.server.session import hooks_control
-
-for uri, cfg in config.read_sources_file().items():
-    if uri in ('system', 'admin'):
-        continue
-    repo.sources_by_uri[uri] = repo.get_source(cfg['adapter'], uri, cfg.copy())
-
-add_entity_type('CWSource')
-add_relation_definition('CWSource', 'cw_source', 'CWSource')
-add_entity_type('CWSourceHostConfig')
-
-with hooks_control(session, session.HOOKS_ALLOW_ALL, 'cw.sources'):
-    create_entity('CWSource', type=u'native', name=u'system')
-commit()
-
-sql('INSERT INTO cw_source_relation(eid_from,eid_to) '
-    'SELECT e.eid,s.cw_eid FROM entities as e, cw_CWSource as s '
-    'WHERE s.cw_name=e.type')
-commit()
-
-for uri, cfg in config.read_sources_file().items():
-    if uri in ('system', 'admin'):
-        continue
-    repo.sources_by_uri.pop(uri)
-    config = u'\n'.join('%s=%s' % (key, value) for key, value in cfg.items()
-                        if key != 'adapter' and value is not None)
-    create_entity('CWSource', name=text_type(uri), type=text_type(cfg['adapter']),
-                  config=config)
-commit()
-
-# rename cwprops for boxes/contentnavigation
-for x in rql('Any X,XK WHERE X pkey XK, '
-             'X pkey ~= "boxes.%" OR '
-             'X pkey ~= "contentnavigation.%"').entities():
-    x.cw_set(pkey=u'ctxcomponents.' + x.pkey.split('.', 1)[1])