diff --git a/suite/browser/pageInfo.xul b/suite/browser/pageInfo.xul
index d21fbb09ac37..b0f54c2aa155 100644
--- a/suite/browser/pageInfo.xul
+++ b/suite/browser/pageInfo.xul
@@ -37,7 +37,7 @@
   %pageInfoDTD;
 ]>
 
-<window id="main-window" xmlns:html="http://www.w3.org/1999/xhtml"
+<window id="main-window"
   xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
   windowtype="Browser:page-info"
   onload="onLoadPageInfo()"