diff --git a/rhodecode/model/users_group.py b/rhodecode/model/users_group.py
deleted file mode 100644
--- a/rhodecode/model/users_group.py
+++ /dev/null
@@ -1,105 +0,0 @@
-# -*- coding: utf-8 -*-
-"""
-    rhodecode.model.user_group
-    ~~~~~~~~~~~~~~~~~~~~~~~~~~
-
-    users groups model for RhodeCode
-
-    :created_on: Jan 25, 2011
-    :author: marcink
-    :copyright: (C) 2009-2011 Marcin Kuzminski <marcin@python-works.com>
-    :license: GPLv3, see COPYING for more details.
-"""
-# This program is free software: you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
-#
-# This program 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 General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-import logging
-import traceback
-
-from pylons.i18n.translation import _
-
-from rhodecode.lib.exceptions import UsersGroupsAssignedException
-from rhodecode.model import BaseModel
-from rhodecode.model.caching_query import FromCache
-from rhodecode.model.db import UsersGroup, UsersGroupMember, \
-    UsersGroupRepoToPerm
-
-log = logging.getLogger(__name__)
-
-
-class UsersGroupModel(BaseModel):
-
-    def get(self, users_group_id, cache=False):
-        users_group = self.sa.query(UsersGroup)
-        if cache:
-            users_group = users_group.options(FromCache("sql_cache_short",
-                                    "get_users_group_%s" % users_group_id))
-        return users_group.get(users_group_id)
-
-    def create(self, form_data):
-        try:
-            new_users_group = UsersGroup()
-            for k, v in form_data.items():
-                setattr(new_users_group, k, v)
-
-            self.sa.add(new_users_group)
-            self.sa.commit()
-        except:
-            log.error(traceback.format_exc())
-            self.sa.rollback()
-            raise
-
-    def update(self, users_group_id, form_data):
-
-        try:
-            users_group = self.get(users_group_id, cache=False)
-
-            for k, v in form_data.items():
-                if k == 'users_group_members':
-                    users_group.members = []
-                    self.sa.flush()
-                    members_list = []
-                    if v:
-                        for u_id in set(v):
-                            members_list.append(UsersGroupMember(
-                                                            users_group_id,
-                                                            u_id))
-                    setattr(users_group, 'members', members_list)
-                setattr(users_group, k, v)
-
-            self.sa.add(users_group)
-            self.sa.commit()
-        except:
-            log.error(traceback.format_exc())
-            self.sa.rollback()
-            raise
-
-    def delete(self, users_group_id):
-        try:
-
-            # check if this group is not assigned to repo
-            assigned_groups = UsersGroupRepoToPerm.query()\
-                .filter(UsersGroupRepoToPerm.users_group_id ==
-                        users_group_id).all()
-
-            if assigned_groups:
-                raise UsersGroupsAssignedException('Group assigned to %s' %
-                                                   assigned_groups)
-
-            users_group = self.get(users_group_id, cache=False)
-            self.sa.delete(users_group)
-            self.sa.commit()
-        except:
-            log.error(traceback.format_exc())
-            self.sa.rollback()
-            raise