diff --git a/plugins/input/large_geojson/large_geojson_datasource.cpp b/plugins/input/large_geojson/large_geojson_datasource.cpp
index 4b5f418be..56afdc238 100644
--- a/plugins/input/large_geojson/large_geojson_datasource.cpp
+++ b/plugins/input/large_geojson/large_geojson_datasource.cpp
@@ -124,7 +124,7 @@ large_geojson_datasource::large_geojson_datasource(parameters const& params)
     }
     if (!inline_string_.empty())
     {
-        parse_geojson(inline_string_);
+        //parse_geojson(inline_string_);
     }
     else
     {
@@ -175,6 +175,7 @@ const mapnik::transcoder tr("utf8");
 const mapnik::json::feature_collection_grammar<base_iterator_type,mapnik::feature_impl> fc_grammar(tr);
 }
 
+/*
 template <typename T>
 void large_geojson_datasource::parse_geojson(T const& buffer)
 {
@@ -233,6 +234,7 @@ void large_geojson_datasource::parse_geojson(T const& buffer)
 #endif
 
 }
+*/
 
 template <typename Iterator>
 void large_geojson_datasource::initialise_index(Iterator start, Iterator end)
@@ -263,7 +265,7 @@ void large_geojson_datasource::initialise_index(Iterator start, Iterator end)
     }
 }
 
-large_geojson_datasource::~large_geojson_datasource() { }
+large_geojson_datasource::~large_geojson_datasource() {}
 
 const char * large_geojson_datasource::name()
 {
@@ -321,7 +323,7 @@ mapnik::featureset_ptr large_geojson_datasource::features(mapnik::query const& q
             tree_->query(boost::geometry::index::intersects(box),std::back_inserter(index_array));
             std::cerr << "Query size=" << index_array.size() << std::endl;
             std::cerr << "Sort index_array by offsets" << std::endl;
-            std::sort(index_array.begin(),index_array.end(), [](item_type const& item0, item_type const& item1) {return item0.second < item1.second;});
+            std::sort(index_array.begin(),index_array.end(), [](item_type const& item0, item_type const& item1) {return item0.second.first < item1.second.first;});
             std::cerr << "Done" << std::endl;
             return std::make_shared<large_geojson_featureset>(filename_, std::move(index_array));
         }
diff --git a/plugins/input/large_geojson/large_geojson_datasource.hpp b/plugins/input/large_geojson/large_geojson_datasource.hpp
index 3cb4ca4f5..2c48dbad3 100644
--- a/plugins/input/large_geojson/large_geojson_datasource.hpp
+++ b/plugins/input/large_geojson/large_geojson_datasource.hpp
@@ -91,7 +91,7 @@ public:
     //using point_type = boost::geometry::model::point<double, 2, boost::geometry::cs::cartesian>;
     using box_type = mapnik::box2d<double>;//boost::geometry::model::box<point_type>;
 
-    using item_type = std::pair<box_type,std::size_t>;
+    using item_type = std::pair<box_type, std::pair<std::size_t, std::size_t>>;
     using spatial_index_type = boost::geometry::index::rtree<item_type,geojson_linear<16,4> >;
 
     // constructor
diff --git a/plugins/input/large_geojson/large_geojson_featureset.cpp b/plugins/input/large_geojson/large_geojson_featureset.cpp
index cc0abadaa..e4635de08 100644
--- a/plugins/input/large_geojson/large_geojson_featureset.cpp
+++ b/plugins/input/large_geojson/large_geojson_featureset.cpp
@@ -43,7 +43,7 @@
 
 large_geojson_featureset::large_geojson_featureset(std::string const& filename,
                                                    array_type && index_array)
-    : file_(filename, std::ios::binary),
+: file_(filename.c_str(), std::ios::binary),
     index_array_(std::move(index_array)),
     index_itr_(index_array_.begin()),
     index_end_(index_array_.end()),
@@ -60,29 +60,19 @@ mapnik::feature_ptr large_geojson_featureset::next()
     {
 #if BOOST_VERSION >= 105600
         large_geojson_datasource::item_type const& item = *index_itr_++;
-        std::size_t file_offset = item.second;
-        //std::cerr << file_offset << " -- " << item.first << std::endl;
+        std::size_t file_offset = item.second.first;
+        std::size_t size = item.second.second;
+        //std::cerr << file_offset << " (" << size << ") " << item.first << std::endl;
 #else
         std::size_t index = *index_itr_++;
 #endif
-
-        using base_iterator_type = std::istreambuf_iterator<char>;
-
-        using chr_iterator_type =
-            boost::spirit::multi_pass
-            < base_iterator_type
-              , boost::spirit::iterator_policies::default_policy
-              <  boost::spirit::iterator_policies::first_owner//ref_counted
-                 , boost::spirit::iterator_policies::no_check
-                 //, boost::spirit::iterator_policies::functor_input
-                 //, boost::spirit::iterator_policies::split_std_deque
-                 >
-              > ;
-
         file_.seekg(file_offset);
-        base_iterator_type in(file_);
-        chr_iterator_type start(in);
-        chr_iterator_type end;
+        std::string json;
+        json.resize(size,' ');
+        file_.read(&*json.begin(), size);
+        using chr_iterator_type = std::string::const_iterator;
+        chr_iterator_type start = json.begin();
+        chr_iterator_type end = json.end();
 
         static const mapnik::transcoder tr("utf8");
         static const mapnik::json::feature_grammar<chr_iterator_type,mapnik::feature_impl> grammar(tr);