title: Redundant conformance of the ChatViewController to protocol
body: <p>I get this error:</p>
  
  <blockquote>
    <p>Redundant conformance of the ChatViewController to protocol</p>
  </blockquote>
  
  <p>This is my code:</p>
  
  <pre><code>class ChatViewController: ViewController, UITableViewDelegate, UITableViewDataSource
  </code></pre>
  
  <p>How can I fix?</p>