diff --git a/plone/app/discussion/browser/moderation.pt b/plone/app/discussion/browser/moderation.pt
index 5b8b64c..6f8514c 100644
--- a/plone/app/discussion/browser/moderation.pt
+++ b/plone/app/discussion/browser/moderation.pt
@@ -7,6 +7,10 @@
       i18n:domain="plone">
 <body>
 
+<metal:override fill-slot="top_slot"
+    tal:define="disable_column_one python:request.set('disable_plone.leftcolumn',1);
+                disable_column_two python:request.set('disable_plone.rightcolumn',1);"/>
+
 <metal:main fill-slot="main">
     <tal:main-macro metal:define-macro="main"
         tal:define="toLocalizedTime nocall:context/@@plone/toLocalizedTime;
