1
general::
Phrase(s): get someone or something out of one’s mind [and] get someone or something out of one’s head
to manage to forget someone or something; to stop thinking about or wanting someone or something. (Almost the same as put someone or something out of one’s mind.) • I can’t get him out of my mind. • Mary couldn’t get the song out of her mind.
McGrawhill's American Idioms And Phrasal Verbs