close the book on

close the book(s) on (someone or something)

To decide that a particular situation has ended; to conclude something; to stop considering something as an option. Mindy was our top candidate for the job, but we had to close the books on her when we learned that she had lied on her resume. I think it's time for me to close the books on this situation because I'm clearly never getting my money back.
See also: close, on
Farlex Dictionary of Idioms.

close the book on

To make a final effort regarding (something); bring to a conclusion: closed the book on her career with a fine performance.
See also: book, close, on
American Heritage® Dictionary of the English Language, Fifth Edition.
See also:
  • a/the feel of (something)
  • (I) wouldn't (do something) if I were you
  • a straw will show which way the wind blows
  • a crack at (someone or something)
  • all right
  • (you) wanna make something of it?
  • all for the best
  • a thing of the past
  • a slew of (something)
  • a bird in the hand