title: Deleting library in .idea/libraries folder
body: <p>I have faced problem in gradle folder and successfully solved it by adding this line </p>
  
  <pre><code>compile 'com.android.support:customtabs:26.0.1'
  </code></pre>
  
  <p>but in .idea/libraries folder in project folder I found two different version of the same library if I delete the older one ,is it cause a problem?</p>
  
  <p>Screenshot of idea/libraries folder</p>
  
  <p><a href="https://i.stack.imgur.com/YoReD.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/YoReD.png" alt="enter image description here"></a></p>