erase

(ĭ-rāsˈ)

1. a. To remove (something written, for example) by rubbing, wiping, or scraping.
   b. To remove (recorded material) from a magnetic tape or other storage medium: erased a file from the diskette.
   c. To remove recorded material from (a magnetic tape or disk, for example): erased the videocassette.
2. To remove all traces of.
3. To remove or destroy as if by wiping out: had to erase all thoughts of failure from his mind.