title: How do I eliminate multiple versions of Xcode?
body: <p>I installed homebrew, and it keeps complaining that:</p>
  
  <pre><code>Warning: Your Xcode (4.2) is outdated
  Please install Xcode 4.6.2.
  </code></pre>
  
  <p>As I learned there is no way to update Xcode so I just downloaded / installed the latest version. </p>
  
  <p>The warning did not go away, and as I learned, I now have 2 versions installed:</p>
  
  <p><img src="https://i.stack.imgur.com/4veh1.png" alt="enter image description here"></p>
  
  <p><strong>and the warning did not go away</strong></p>
  
  <p>How do I now eliminate the old version? I just wanted to update it really.</p>