--- a/WebCore/WebCore.pri	Fri Sep 17 09:02:29 2010 +0300
+++ b/WebCore/WebCore.pri	Mon Oct 04 01:32:07 2010 +0300
@@ -11,6 +11,10 @@
   DEFINES += ENABLE_NETSCAPE_PLUGIN_API=0
 }
 
+CONFIG(production) {
+    DEFINES += ENABLE_XSLT=0
+}
+
 ## load mobilityconfig if mobility is available 
 load(mobilityconfig, true)