push (something) to the back of (one's) mind
To try to ignore something; to think about other topics to distract oneself from a certain topic or issue. Look, I just want to enjoy the holidays, so let's push the money issues to the back of our minds for the time being, OK? No matter how much I try to push it to the back of my mind, I keep thinking about it.
push something to the ˌback of your ˈmind
try to forget about something unpleasant: I tried to push the thought to the back of my mind.