diff --git a/src/pocketmine/event/player/PlayerExperienceChangeEvent.php b/src/pocketmine/event/player/PlayerExperienceChangeEvent.php
index d2d2e7af0..dc72f4371 100644
--- a/src/pocketmine/event/player/PlayerExperienceChangeEvent.php
+++ b/src/pocketmine/event/player/PlayerExperienceChangeEvent.php
@@ -31,7 +31,6 @@ use pocketmine\event\entity\EntityEvent;
  * Called when a player gains or loses XP levels and/or progress.
  */
 class PlayerExperienceChangeEvent extends EntityEvent implements Cancellable{
-	public static $handlerList = null;
 	/** @var Human */
 	protected $entity;
 	/** @var int */