Blenrig, linking, and layers

Does anyone have experience linking a model using Blenrig? When I link a model, I uncheck the option for ‘active layer.’ However, the model still links in with all the layers merged into the first layer.

All of the objects in every layer have been added to a group, and I link that group, which is how I understood linking to work.

I’m using one of the experimental builds (not at my home computer at the moment).