give something a rest
US /ɡɪv ˈsʌmθɪŋ ə rɛst/
UK /ɡɪv ˈsʌmθɪŋ ə rɛst/

1.
to stop talking about, doing, or using something because it is annoying or no longer useful
:
•
Can you please give that song a rest? I've heard it a hundred times today.
•
I think it's time to give that old argument a rest; we're never going to agree.