diff --git a/plugins/input/postgis/postgis.hpp b/plugins/input/postgis/postgis.hpp
index 897dae1d7..19261b5df 100644
--- a/plugins/input/postgis/postgis.hpp
+++ b/plugins/input/postgis/postgis.hpp
@@ -48,7 +48,7 @@ using mapnik::query;
 using mapnik::parameters;
 using mapnik::coord2d;
 
-class transcoder;
+//class transcoder;
 class postgis_datasource : public datasource
 {
       static const std::string GEOMETRY_COLUMNS;