title: Remove elements from Guava Cache
body: <p>I am using <code>import com.google.common.cache.Cache</code></p>
  
  <p>I have initiated the cache this way:</p>
  
  <pre><code>private Cache&lt;String,String&gt; mycache =CacheBuilder.newBuilder()
     .concurrencyLevel(4).expireAfterAccess(30, TimeUnit.MINUTES).build();
  </code></pre>
  
  <p>I am willing to remove entries manually in some scenarios before waiting for the expiration.</p>
  
  <p>The only way I found to do this was this:</p>
  
  <pre><code>mycache.asMap().remove("somekey");
  </code></pre>
  
  <p>I am asking if that is the proper way of doing this? Am I going to have any problems with that?</p>