diff --git a/doc/Jamfile b/doc/Jamfile
index 5943a2a..106dc59 100644
--- a/doc/Jamfile
+++ b/doc/Jamfile
@@ -4,14 +4,10 @@
 # (See accompanying file LICENSE_1_0.txt or copy at
 # http://www.boost.org/LICENSE_1_0.txt)
 
-import asciidoctor ;
-# import boostbook ;
+using asciidoctor ;
 
 html assert.html : index.adoc ;
 
-# docbook assert.docbook : index.adoc ;
-# boostbook assert.html : assert.docbook : <format>onehtml ;
-
 install html_ : assert.html : <location>html ;
 
 pdf assert.pdf : index.adoc ;