diff --git a/include/mapnik/image_data.hpp b/include/mapnik/image_data.hpp
index 6eddb4fa4..140b77a92 100644
--- a/include/mapnik/image_data.hpp
+++ b/include/mapnik/image_data.hpp
@@ -109,8 +109,8 @@ public:
     {}
 
     image_data(image_data<pixel_type> && rhs) noexcept
-        : width_(rhs.width_),
-        height_(rhs.height_),
+    :   width_(std::move(rhs.width_)),
+        height_(std::move(rhs.height_)),
         buffer_(std::move(rhs.buffer_)),
         pData_(reinterpret_cast<pixel_type*>(buffer_.data()))
     {
diff --git a/include/mapnik/renderer_common/process_raster_symbolizer.hpp b/include/mapnik/renderer_common/process_raster_symbolizer.hpp
index 9c4577f83..588c5fa30 100644
--- a/include/mapnik/renderer_common/process_raster_symbolizer.hpp
+++ b/include/mapnik/renderer_common/process_raster_symbolizer.hpp
@@ -154,7 +154,7 @@ void render_raster_symbolizer(raster_symbolizer const& sym,
                 double offset_x = ext.minx() - start_x;
                 double offset_y = ext.miny() - start_y;
                 image_data_rgba8 data(raster_width, raster_height);
-                raster target(target_ext, data, source->get_filter_factor());
+                raster target(target_ext, std::move(data), source->get_filter_factor());
                 unsigned mesh_size = static_cast<unsigned>(get<value_integer>(sym,keys::mesh_size,feature, common.vars_, 16));
                 reproject_and_scale_raster(target,
                                            *source,