diff --git a/include/mapnik/grid/grid.hpp b/include/mapnik/grid/grid.hpp
index af137e2b9..d5e1c872a 100644
--- a/include/mapnik/grid/grid.hpp
+++ b/include/mapnik/grid/grid.hpp
@@ -25,7 +25,6 @@
 
 // mapnik
 #include <mapnik/config.hpp>
-#include <mapnik/debug.hpp>
 #include <mapnik/image_data.hpp>
 #include <mapnik/box2d.hpp>
 #include <mapnik/grid/grid_view.hpp>