diff --git a/include/mapnik/symbolizer.hpp b/include/mapnik/symbolizer.hpp
index c3e57bc95..ce9f9dbc8 100644
--- a/include/mapnik/symbolizer.hpp
+++ b/include/mapnik/symbolizer.hpp
@@ -30,9 +30,12 @@
 #include <mapnik/simplify.hpp>
 
 // boost
-#include <boost/array.hpp>
 #include <boost/optional.hpp>
 
+// stl
+#include <vector>
+#include <string>
+
 namespace agg { struct trans_affine; }
 
 namespace mapnik
@@ -44,7 +47,6 @@ namespace detail { struct transform_node; }
 typedef std::vector<detail::transform_node>         transform_list;
 typedef boost::shared_ptr<transform_list>   transform_list_ptr;
 typedef transform_list_ptr transform_type;
-class Map;
 class feature_impl;
 
 MAPNIK_DECL void evaluate_transform(agg::trans_affine& tr, feature_impl const& feature,
diff --git a/src/symbolizer.cpp b/src/symbolizer.cpp
index 474c14c3a..4ad620635 100644
--- a/src/symbolizer.cpp
+++ b/src/symbolizer.cpp
@@ -23,7 +23,6 @@
 //mapnik
 #include <mapnik/feature.hpp>
 #include <mapnik/symbolizer.hpp>
-#include <mapnik/map.hpp>
 #include <mapnik/transform_processor.hpp>
 #include <mapnik/metawriter.hpp>