Exclude attribute from a specific xml element using xslt

inside the select, you can exclude (or include,) the attribute, using the name function.

For example, <xsl:copy-of select="@*[name(.)!='theAtribute']|node()" />

What is not working? Do you want the same content, just without the @theAtribute?

If so, make sure your stylesheet has the empty template for @theAtribute, but also has an identity template that copies everything else into the output:

<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
    <!--empty template suppresses this attribute-->
    <xsl:template match="@theAtribute" />
    <!--identity template copies everything forward by default-->
    <xsl:template match="@*|node()">
        <xsl:copy>
            <xsl:apply-templates select="@*|node()"/>
        </xsl:copy>
    </xsl:template>
</xsl:stylesheet>

If you only want to suppress certain @theAtribute, then you can make the match criteria more specific. For instance, if you only wanted to remove that attribute from the div who's @id="qaz", then you could use this template:

<xsl:template match="@theAtribute[../@id='qaz']" />

or this template:

<xsl:template match="*[@id='qaz']/@theAtribute" />

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If you want to remove @theAttribute from all div elements, then change the match expression to:

<xsl:template match="div/@theAtribute" />