https://github.com/pmmp/PocketMine-...cf0c777390da5/src/pocketmine/Player.php#L1540 You can remove that by removing the code below and that if instance but if you remove, see the message for what it happens if you remove. PHP: /* !!! BEWARE YE WHO ENTER HERE !!!** This is NOT an anti-cheat check. It is a safety check.* Without it hackers can teleport with freedom on their own and cause lots of undesirable behaviour, like* freezes, lag spikes and memory exhaustion due to sync chunk loading and collision checks across large distances.* Not only that, but high-latency players can trigger such behaviour innocently.** If you must tamper with this code, be aware that this can cause very nasty results. Do not waste our time* asking for help if you suffer the consequences of messing with this.*/