Remove namespace from XML

[ujjvalpandya]

<?xml version="1.0" encoding="UTF-8"?>
<rss version="2.0" xmlns="http://g.b.sys.com/a/RSS">
.

i got the thing.
problem is not the namespace. its the way i write namespace using XMLBeans. It i write namespace as :
<rss version="2.0" xmlns:a="http://g.b.sys.com/a/RSS">
then RSS agregator reads it as RSS.
so now i have to add ":a" or somthing after ":" then only it will work.