tml?is-external=true" title="class or interface in java.lang">Class</a>&lt;?&gt;&nbsp;sourceClass,
                    <a href="../../../../javax/faces/event/SystemEventListener.html" title="interface in javax.faces.event">SystemEventListener</a>&nbsp;listener)</code>
<div class="block"><p class="changed_added_2_0"><span
 class="changed_modified_2_2">Remove</span> the listener instance
 referenced by argument <code>listener</code> from the application
 as a listener for events of type
 <code>systemEventClas