diff --git a/radicale_odoo_storage/__init__.py b/radicale_odoo_storage/__init__.py
index ec302d9..150ca43 100644
--- a/radicale_odoo_storage/__init__.py
+++ b/radicale_odoo_storage/__init__.py
@@ -107,8 +107,8 @@ class Collection(BaseCollection):
         if path and not cls.user:
             cls.user = attributes[0]
 
-        cls.logger.warning('Discover : %s (path), %s (depth), %s (cls.user), %s (attributes)' %
-                           (path, depth, cls.user, attributes))
+        cls.logger.debug('Discover : %s (path), %s (depth), %s (cls.user), %s (attributes)' %
+                         (path, depth, cls.user, attributes))
         yield cls(path)
         if len(attributes) == 1: # Got all if root is needed
             contact_path = '%sodoo-contact' % path
@@ -340,7 +340,4 @@ class Collection(BaseCollection):
         """ Return last modified """
         last = self.odoo.env[self.odoo_model].search([], limit=1, order='write_date desc')
         last_fields = self.odoo.execute(self.odoo_model, 'read', last, ['write_date'])[0]
-        self.logger.debug(last_fields)
-        # return strftime("%a, %d %b %Y %H:%M:%S GMT",
-        #                 strptime(last_fields.get('write_date'), '%Y-%m-%d %H:%M:%S'))
         return str(last_fields['write_date'])