Giving up awareness of not-self leads to pure awareness: You are awareness.
Vichara Sangraham (Self-Enquiry): Therefore, leaving the corpse-like body as an actual corpse and remaining without even uttering the word 'I' by mouth, if one now keenly enquires, 'What is it that rises as 'I'? then in the Heart a certain soundless sphurana, 'I-I', will shine forth of its own accord.