diff --git a/addons/im_livechat/models/im_livechat_channel.py b/addons/im_livechat/models/im_livechat_channel.py
index c4f66518c50..061b94fcc69 100644
--- a/addons/im_livechat/models/im_livechat_channel.py
+++ b/addons/im_livechat/models/im_livechat_channel.py
@@ -200,6 +200,10 @@ class ImLivechatChannel(models.Model):
             info['options']["default_username"] = username
         return info
 
+    # FIXME: to remove in master
+    @api.model
+    def match_rules(self, request, channel_id, username='Visitor'):
+        pass
 
 class ImLivechatChannelRule(models.Model):
     """ Channel Rules