You could create a custom Forum lens and disable the default one in favor of your own. I think a great way to do this would be a "derivative lens" feature, that

You could create a custom Forum lens and disable the default one in favor of your own. I think a great way to do this would be a "derivative lens" feature, that way you could use all of the sources for the Forum lens, minus the ones you want to remove. I will make feature request for that probably.