Ionic-angular build options

When I build using release.prepareReleasePackage and compare it to a snapshot on npm I notice that various comments are removed from the output javascript files. Is there options or a different gulp command line that I am missing that retains an image closer to what is published?

Below is a snippit of a diff:

/**
 * \@name ViewController
- * \@description
- * Access various features and information about the current view.
- * \@usage
- *  ```ts
- * import { Component } from '\@angular/core';
- * import { ViewController } from 'ionic-angular';
- *
- * \@Component({...})
- * export class MyPage{
- *
- *   constructor(public viewCtrl: ViewController) {}
- *
- * }
- * ```
 */