id attribute binding unwanted

components.my-component.js

import Ember from 'ember';

export default Ember.Component.extend({
});

controllers.application.js

import Ember from 'ember';

export default Ember.Controller.extend({
  appName: 'Ember Twiddle'
});

templates.application.hbs

{{my-component}}

{{my-component id='foo'}}

templates.components.my-component.hbs

<div style='border: thick red inset; margin-bottom: 10px'>
<p>id = {{id}}</p>
<p>elementId={{elementId}}</p>
<p>I don't want id to equal elementId; how do i remove this binding?</p>
<p>I read about it somewhere but can't find it on the Inter-Planetary File System anymore! :(</p>
</div>

twiddle.json

{
  "version": "0.13.0",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.16.2",
    "ember-template-compiler": "2.16.2",
    "ember-testing": "2.16.2"
  },
  "addons": {
    "ember-data": "2.16.3"
  }
}