diff --git a/include/mapnik/json/topojson_grammar_impl.hpp b/include/mapnik/json/topojson_grammar_impl.hpp
index 8c6890240..ac02ae556 100644
--- a/include/mapnik/json/topojson_grammar_impl.hpp
+++ b/include/mapnik/json/topojson_grammar_impl.hpp
@@ -22,15 +22,6 @@
 
 #include <mapnik/topojson_grammar.hpp>
 
-//#define BOOST_SPIRIT_USE_PHOENIX_V3 1
-//#include <boost/spirit/include/qi.hpp>
-//#include <boost/spirit/include/phoenix.hpp>
-//
-//#include <mapnik/value.hpp>
-//#include <mapnik/topology.hpp>
-//
-//#include <string>
-
 namespace mapnik { namespace topojson {
 
 namespace qi = boost::spirit::qi;