diff --git a/include/mapnik/octree.hpp b/include/mapnik/octree.hpp
index f9461db5d..89b47bc0c 100644
--- a/include/mapnik/octree.hpp
+++ b/include/mapnik/octree.hpp
@@ -114,8 +114,8 @@ namespace mapnik {
             : max_colors_(max_colors),
               colors_(0),
               leaf_level_(InsertPolicy::MAX_LEVELS),
-              root_(new node()),
-              has_alfa_(false)
+              has_alfa_(false),
+              root_(new node())
          {}
 
          ~octree() { delete root_;}
diff --git a/include/mapnik/png_io.hpp b/include/mapnik/png_io.hpp
index 61b066ed1..6701fd28c 100644
--- a/include/mapnik/png_io.hpp
+++ b/include/mapnik/png_io.hpp
@@ -184,7 +184,7 @@ namespace mapnik {
       if (hasAlfa)
       {
          byte trans[] = {0,0,0,0};
-         png_color_16p unused;
+         //png_color_16p unused;
          png_set_tRNS(png_ptr, info_ptr, (png_bytep)trans, 1, NULL);
       }