diff --git a/include/mapnik/json/geometry_grammar.hpp b/include/mapnik/json/geometry_grammar.hpp
index 800a48bf0..4b0d1194c 100644
--- a/include/mapnik/json/geometry_grammar.hpp
+++ b/include/mapnik/json/geometry_grammar.hpp
@@ -30,9 +30,11 @@
 #include <mapnik/json/positions_grammar.hpp>
 #include <mapnik/json/geometry_util.hpp>
 
-// spirit::qi
+#pragma GCC diagnostic push
+#include <mapnik/warning_ignore.hpp>
 #include <boost/spirit/include/qi.hpp>
 #include <boost/spirit/include/phoenix_function.hpp>
+#pragma GCC diagnostic pop
 
 namespace mapnik { namespace json {
 
diff --git a/include/mapnik/json/geometry_grammar_impl.hpp b/include/mapnik/json/geometry_grammar_impl.hpp
index 90f09bfe7..691799ba2 100644
--- a/include/mapnik/json/geometry_grammar_impl.hpp
+++ b/include/mapnik/json/geometry_grammar_impl.hpp
@@ -24,12 +24,10 @@
 #include <mapnik/config.hpp>
 #include <mapnik/json/error_handler.hpp>
 #include <mapnik/json/geometry_grammar.hpp>
-#include <mapnik/json/positions_grammar_impl.hpp>
 
 // boost
-#include <boost/spirit/include/phoenix_object.hpp>
 #include <boost/spirit/include/phoenix_stl.hpp>
-#include <boost/spirit/include/phoenix_operator.hpp>
+#include <boost/spirit/include/phoenix_function.hpp>
 
 namespace mapnik { namespace json {
 
diff --git a/include/mapnik/json/geometry_util.hpp b/include/mapnik/json/geometry_util.hpp
index 6e8fb6794..cf538ae73 100644
--- a/include/mapnik/json/geometry_util.hpp
+++ b/include/mapnik/json/geometry_util.hpp
@@ -25,6 +25,7 @@
 
 #include <mapnik/geometry.hpp>
 #include <mapnik/geometry_correct.hpp>
+#include <mapnik/json/positions.hpp>
 
 namespace mapnik { namespace json {
 
diff --git a/include/mapnik/json/positions.hpp b/include/mapnik/json/positions.hpp
new file mode 100644
index 000000000..9ad10f99a
--- /dev/null
+++ b/include/mapnik/json/positions.hpp
@@ -0,0 +1,40 @@
+/*****************************************************************************
+ *
+ * This file is part of Mapnik (c++ mapping toolkit)
+ *
+ * Copyright (C) 2015 Artem Pavlenko
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ *****************************************************************************/
+
+#ifndef MAPNIK_JSON_POSITIONS_HPP
+#define MAPNIK_JSON_POSITIONS_HPP
+
+// mapnik
+#include <mapnik/util/variant.hpp>
+#include <mapnik/geometry.hpp>
+
+namespace mapnik { namespace json {
+
+struct empty {};
+
+using position = mapnik::geometry::point<double>;
+using positions = std::vector<position>;
+using coordinates = util::variant<empty, position, positions, std::vector<positions>, std::vector<std::vector<positions> > > ;
+
+}}
+
+#endif // MAPNIK_JSON_POSITIONS_HPP
diff --git a/include/mapnik/json/positions_grammar.hpp b/include/mapnik/json/positions_grammar.hpp
index 153542257..8ff9e8a63 100644
--- a/include/mapnik/json/positions_grammar.hpp
+++ b/include/mapnik/json/positions_grammar.hpp
@@ -25,6 +25,7 @@
 
 // mapnik
 #include <mapnik/util/variant.hpp>
+#include <mapnik/json/positions.hpp>
 #include <mapnik/json/generic_json.hpp>
 #include <mapnik/json/error_handler.hpp>
 #include <mapnik/geometry.hpp>
@@ -34,20 +35,11 @@
 #include <mapnik/warning_ignore.hpp>
 #include <boost/spirit/include/qi.hpp>
 #include <boost/spirit/include/phoenix_function.hpp>
-#include <boost/fusion/adapted/std_tuple.hpp>
 #pragma GCC diagnostic pop
 
-// stl
-#include <tuple>
 
 namespace mapnik { namespace json {
 
-struct empty {};
-
-using position = mapnik::geometry::point<double>;
-using positions = std::vector<position>;
-using coordinates = util::variant<empty, position, positions, std::vector<positions>, std::vector<std::vector<positions> > > ;
-
 namespace qi = boost::spirit::qi;
 
 struct set_position_impl
diff --git a/src/json/mapnik_json_positions_grammar.cpp b/src/json/mapnik_json_positions_grammar.cpp
new file mode 100644
index 000000000..a13f0e313
--- /dev/null
+++ b/src/json/mapnik_json_positions_grammar.cpp
@@ -0,0 +1,27 @@
+/*****************************************************************************
+ *
+ * This file is part of Mapnik (c++ mapping toolkit)
+ *
+ * Copyright (C) 2015 Artem Pavlenko
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ *****************************************************************************/
+
+#include <mapnik/json/positions_grammar_impl.hpp>
+#include <string>
+
+using iterator_type = char const*;
+template struct mapnik::json::positions_grammar<iterator_type>;