diff --git a/doc/xdocs/upgrade/upgrade-080-090.html b/doc/xdocs/upgrade/upgrade-080-090.html
index 203f163fb2..6ec15e6b04 100644
--- a/doc/xdocs/upgrade/upgrade-080-090.html
+++ b/doc/xdocs/upgrade/upgrade-080-090.html
@@ -55,9 +55,7 @@ applications:
     We apologise for the inconvenience, but on a more positive note this means you receive strict
     type checking, you no longer need to mess around with casting to and from <code>Context</code>
     implementations, your applications no longer need to perform checking of <code>null</code> and
-    unexpected <code>Context</code> implementation types, and the new <code>SecurityContextHolder</code>
-    is an <code>InheritableThreadLocal</code> - which should make life easier in rich client 
-    environments.<br><br></li>
+    unexpected <code>Context</code> implementation types.<br><br></li>
 
     <li><code>AbstractProcessingFilter</code> has changed its getter/setter approach used for customised
     authentication exception directions. See the <a href="../multiproject/acegi-security/xref/net/sf/acegisecurity/ui/AbstractProcessingFilter.html">