erasure
noun /ɪˈreɪʒə(r)/
  /ɪˈreɪʒər/
[uncountable, countable] (formal)- the act of removing writing, drawing, recorded material or data
- the accidental erasure of important computer files
 - His drawings are full of erasures and redrawn lines.
 
 - the act of removing or destroying all signs of something
- the erasure of the past
 - the regime's erasures of history and culture