diff --git a/plone/app/discussion/browser/comments.py b/plone/app/discussion/browser/comments.py
index bb6f541..e23fa61 100644
--- a/plone/app/discussion/browser/comments.py
+++ b/plone/app/discussion/browser/comments.py
@@ -279,8 +279,7 @@ class CommentsViewlet(ViewletBase, layout.FormWrapper):
 
     form = CommentForm
 
-    def index(self):
-        return ViewPageTemplateFile('comments.pt').__of__(self)(self)
+    index = ViewPageTemplateFile('comments.pt')
 
     def __init__(self, context, request, view, manager):
         super(CommentsViewlet, self).__init__(context, request, view, manager)
@@ -375,4 +374,4 @@ class CommentsViewlet(ViewletBase, layout.FormWrapper):
         # before we can call toLocalizedTime.
         util = getToolByName(self.context, 'translation_service')
         zope_time = DateTime(time.year, time.month, time.day, time.hour, time.minute, time.second)
-        return util.toLocalizedTime(zope_time, long_format=True)
\ No newline at end of file
+        return util.toLocalizedTime(zope_time, long_format=True)