diff --git a/src/main/java/org/olat/core/gui/control/guistack/_content/callout.html b/src/main/java/org/olat/core/gui/control/guistack/_content/callout.html
index 3d28c9edd31ac00f8472f3700a3a41151d326c24..ce9f444491a3c77ba4f99ca9cb20e1ba6ab8b193 100644
--- a/src/main/java/org/olat/core/gui/control/guistack/_content/callout.html
+++ b/src/main/java/org/olat/core/gui/control/guistack/_content/callout.html
@@ -1,14 +1,7 @@
-## for 1) 2) 3) see modalDialog.html
-## 1) 
-<!--[if IE]>
-	<iframe class="o_modal_iebug" src="$r.staticLink("empty.html")" style="position:absolute; left:0; top:0; width:100%; height:100%; border:none; z-index: $zindexshim; opacity:0; filter: alpha(opacity:0);" ></iframe>
-<![endif]-->
-## 2)
 <div id="callout_$r.getCId()" class="popover in bottom" style="z-index:$zindexarea;">
 	<div class="arrow"></div>
 	<div class="popover-content">$r.render("cont")</div>
 </div>
-## 3)
 <div id="callout_overlay_$r.getCId()" class="o_callout_overlay" style="z-index:$zindexoverlay;"></div>
 <script type="text/javascript">
 /* <![CDATA[ */