RSS icon in address bar does not disappear after feed link node deletion

Eugene <[email protected]>
Newsgroups gmane.comp.mozilla.devel.dom
Organization http://groups.google.com
Message-ID <ebc5479e-9502-447c-ab77-90b790273646@z31g2000yqd.googlegroups.com> 
Consider the situation. I have a page without an RSS feed. And of
course there's no RSS icon in address bar. When I'm inserting the
appropriate link element node into the head element RSS icon does
appear. And than I'm deleting the link element but RSS icon remains in
address bar. Is there a workaround for this problem? Page reloading is
not an option. Maybe appearing of RSS feed does trigger some other
changes in DOM and they remain even after the feed's link element is
deleted or should it be considered a bug? Thank you.
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