expunging

ɪkˈspʌn(d)ʒ
ɛkˈspʌn(d)ʒ

verb

obliterate or remove completely (something unwanted or unpleasant).

the kind of man that could expunge an unsatisfactory incident from his memory

erase,remove,delete,rub out,wipe out,efface,cross out,strike out,blot out,blank out,cancel,annul,destroy,obliterate,eradicate,extinguish,eliminate,abolish,annihilate,extirpate