Removing namespace attributes

In my stylesheet, I declare the namespaces
and then list them in the exclude-result-prefixes.
But it doesn't work.  The namespaces remain.

Thank you for your ideas,
Hank

Hank Ratzesberger
NEES Programmer
Institute for Crustal Studies
University of California, Santa Barbara

<xsl:stylesheet version="1.0"
 xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
 xmlns:flextps="http://flextps.org/schema/"
 xmlns:xlink="http://www.w3.org/1999/xlink"
 exclude-result-prefixes="flextps">
 <xsl:template match="@* | node()">
    <xsl:if test="name()!='xlink:href'">
      <xsl:copy>
        <xsl:apply-templates select="@* | node()" />
      </xsl:copy>
    </xsl:if>
  </xsl:template>
</xsl:stylesheet>