Letting go the mental labels
To let go those mental labels that you consciously or unconsciously assigned to certain objects is to became more aware of what is happening in your mind right now then the moment you recognize a mental label you let it go by knowing that is just a mental label that does not help you at all. The moment when the light of consciousness shine into your mind and you are aware of mental labels, that label is disolved because you understand that has no usefull purpose whatsoever and so you decide consciously to let it go.