diff -r 058bb3dc685f -r 0b59724cb3f2 sobjects/__init__.py
--- a/sobjects/__init__.py	Mon Jan 04 18:40:30 2016 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,30 +0,0 @@
-# copyright 2003-2012 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
-# contact http://www.logilab.fr/ -- mailto:contact@logilab.fr
-#
-# This file is part of CubicWeb.
-#
-# CubicWeb is free software: you can redistribute it and/or modify it under the
-# terms of the GNU Lesser General Public License as published by the Free
-# Software Foundation, either version 2.1 of the License, or (at your option)
-# any later version.
-#
-# CubicWeb is distributed in the hope that it will be useful, but WITHOUT
-# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
-# FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
-# details.
-#
-# You should have received a copy of the GNU Lesser General Public License along
-# with CubicWeb.  If not, see <http://www.gnu.org/licenses/>.
-"""server side objects"""
-
-import os.path as osp
-
-def registration_callback(vreg):
-    vreg.register_all(globals().values(), __name__)
-    global URL_MAPPING
-    URL_MAPPING = {}
-    if vreg.config.apphome:
-        url_mapping_file = osp.join(vreg.config.apphome, 'urlmapping.py')
-        if osp.exists(url_mapping_file):
-            URL_MAPPING = eval(open(url_mapping_file).read())
-            vreg.info('using url mapping %s from %s', URL_MAPPING, url_mapping_file)