Working solution

This piece of code was submited:

var removeById = function(personId, done) {
  Person.findByIdAndRemove({_id: personId}, function(err, data) {
    if(err) return console.error(err);
    done(null, data);

Link to the challenge:

Hello! Welcome to the forum :partying_face:!

Thanks for trying to help, but your solution has a bug: if there’s an error (if(err)), the done callback will never be called and the execution will never end.