Angular Abstract control remove error : <p>I want a way to remove a specific error from a form control and not clear all error.</p>

<pre><code>control.setError({'firstError': true})
</code></pre>

<p>and to remove that specific error like</p>

<pre><code>control.removeError({'firstError}) and not control.setError({null})
</code></pre>

<p>I tried </p>

<pre><code>control.setError({'firstError': false})
</code></pre>

<p>but didn't work.</p>

<p>Any help. Thanks</p>

<p>angular 4.1.1</p>
