Hide HTML text without tags

I have a bit of code that is coming from an RSS feed. There is a time stamp on it from Feedburner or Wordpress. It is bieng displayd as straight text without being nested in any tags. How can I display: none?

http://www.stc.org/

<h4>STC Notebook News</h4>
            <span id="rss-subscribe"><a href="http://feeds.feedburner.com/stc-notebook" rel="alternate" type="application/rss+xml"><img src="http://www.feedburner.com/fb/images/pub/feed-icon16x16.png" alt="" style="vertical-align: middle; border: 0pt none;"></a>&nbsp;<a href="http://feeds.feedburner.com/stc-notebook" rel="alternate" type="application/rss+xml">Subscribe</a></span>
            Fri, 27 Aug 2010 20:30:10 +0000

I want to hide “Fri, 27 Aug 2010 20:30:10 +0000”

UPDATE: I was experimenting and managed to delete a line form my XSL file on my server:

<xsl:value-of select=“[local-name()=‘channel’]/[local-name()=‘lastBuildDate’]”/>

Not sure if this was the right thing to do but it got rid of the date stamp :confused:

UPDATE: I think I just found it. It is in the XML of Feedburner:

<lastBuildDate>Fri, 27 Aug 2010 20:30:10 +0000</lastBuildDate>