diff --git a/entrouvert/djommon/multitenant/models.py b/entrouvert/djommon/multitenant/models.py
index f7283dd..8acb0ac 100644
--- a/entrouvert/djommon/multitenant/models.py
+++ b/entrouvert/djommon/multitenant/models.py
@@ -1,49 +1,11 @@
-import re
-import json
-
-from django.utils.translation import ugettext as _
-from django.db import models
-from django.core.exceptions import ImproperlyConfigured, ValidationError
-
 from tenant_schemas.models import TenantMixin
 
-from . import app_settings
-
 class Tenant(TenantMixin):
-    name = models.CharField(max_length=100, verbose_name=_('name'))
-    created_on = models.DateField(auto_now_add=True, verbose_name=_('created on'))
-    is_active = models.BooleanField(default=True, blank=True, verbose_name=_('active'))
-
     # default true, schema will be automatically created and synced when it is saved
     auto_create_schema = False
 
+    def save(self):
+        pass
+
     def __unicode__(self):
         return u'%s' % self.schema_name
-
-
-class ClientSetting(models.Model):
-    NAME_RE = re.compile(r'^[_A-Z][_A-Z0-9]*$')
-
-    tenant = models.ForeignKey('Tenant', verbose_name=_('tenant'))
-    name = models.CharField(max_length=100, verbose_name=_('name'))
-    value = models.TextField(verbose_name=_('value'), help_text=_('JSON'))
-
-    def get_json(self):
-        return json.loads(self.value)
-
-    def set_json(self, json):
-        self.value = json.dumps(json)
-
-    json = property(get_json, set_json)
-
-    def clean(self):
-        if not re.match(self.NAME_RE, self.name):
-            raise ValidationError('name must be an uppercase variable '
-                    'name')
-        try:
-            json.loads(self.value)
-        except ValueError:
-            raise ValidationError('invalid JSON document')
-        if self.name in dir(app_settings):
-            raise ImproperlyConfigured('The setting %r cannot be overridden by tenants' % self.name)
-