diff --git a/src/cairo_renderer.cpp b/src/cairo_renderer.cpp
index 9d11cf308..7e90d3232 100644
--- a/src/cairo_renderer.cpp
+++ b/src/cairo_renderer.cpp
@@ -1391,7 +1391,6 @@ void cairo_renderer_base::process(markers_symbolizer const& sym,
 {
     cairo_context context(context_);
     context.set_operator(sym.comp_op());
-    //double scale_factor_ = 1;
 
     typedef agg::conv_clip_polyline<geometry_type> clipped_geometry_type;
     typedef coord_transform<CoordTransform,clipped_geometry_type> path_type;