diff --git a/APPL/Localscripts/FcltMgr.js b/APPL/Localscripts/FcltMgr.js
index cf1441dc7a..b1609bc980 100644
--- a/APPL/Localscripts/FcltMgr.js
+++ b/APPL/Localscripts/FcltMgr.js
@@ -650,7 +650,6 @@ var FcltMgr =
             // Omdat onze <iframe> de dialog *is* hoeven we die schijnbaar niet afzonderlijk te zetten?
             // $(frm).height(newHeight + 200);
             var setHeight = newHeight + dialogborderHeight + 20;
-            FcltMgr.alert("N: " + newHeight + "\nD: " + dialogborderHeight + "\nS: " + setHeight);
             $('iframe#fcltmodal'+FcltMgr._modalCount).dialog('option', 'height', setHeight);
             var newHeight2 = Math.min(frmcontent.outerHeight(), $(window).height()-100);
             if (newHeight2 > newHeight) // Gebeurde in FireFox wel eens