remove appended element jquery

JavaScript
$( ".hello" ).remove();
$('#answer').on('click', function() {
  feedback('hey there');
});

var counter = 0;

function feedback(message) {

  $('#feedback').remove();

  $('.answers').append('<div id="feedback">' + message + ' ' + counter + '</div>');

  counter++;    
}
.remove("#elemnt_id .elemnt_class");
Source

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