diff --git a/xsl/html-base.xsl b/xsl/html-base.xsl
index 94210f7..8c1e5a2 100644
--- a/xsl/html-base.xsl
+++ b/xsl/html-base.xsl
@@ -9,10 +9,7 @@
 <xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
                 xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision"
                 version="1.0">
-
-  <xsl:param name="chunker.output.doctype-public">-//W3C//DTD HTML 4.01 Transitional//EN</xsl:param>
-  <xsl:param name="chunker.output.doctype-system">http://www.w3.org/TR/html4/loose.dtd</xsl:param>
-
+  
   <xsl:param name="html.stylesheet">
     <xsl:choose>
       <xsl:when test = "$boost.defaults = 'Boost'">