diff --git a/doc/Jamfile.v2 b/doc/Jamfile.v2
index 0201f8a..f00fe39 100644
--- a/doc/Jamfile.v2
+++ b/doc/Jamfile.v2
@@ -55,5 +55,4 @@ boostbook standalone
         <xsl:param>generate.section.toc.level=3
         <xsl:param>chunk.first.sections=1
         <dependency>autodoc
-        <format>pdf:<xsl:param>boost.url.prefix=http://www.boost.org/doc/libs/release/doc/html
    ;