leave out

For example

• leave sth/sb out There should be twelve books in the box, but there are only eleven. They left one out.
  
  
• leave out sth/sb If you're filling in the application form, you can leave out your date of birth. We don't need to know that.
  
  
• be left out Patrice hasn't been playing well lately, so he's been left out of the team for today's game.