It&#x27;s part of Atom&#x27;s own tree-view package. You can either edit the options [1] or add this to your config.cson (under the &quot;*&quot; key):<p><pre><code>  &quot;tree-view&quot;:
    hideIgnoredNames: true
    hideVcsIgnoredFiles: true
</code></pre>
[1] <a href="http:&#x2F;&#x2F;i.imgur.com&#x2F;tZc3DW9.png" rel="nofollow">http:&#x2F;&#x2F;i.imgur.com&#x2F;tZc3DW9.png</a>