diff --git a/src/pocketmine/block/Block.php b/src/pocketmine/block/Block.php
index f4882508a..afe6e7917 100644
--- a/src/pocketmine/block/Block.php
+++ b/src/pocketmine/block/Block.php
@@ -49,7 +49,7 @@ use function assert;
 use function dechex;
 use const PHP_INT_MAX;
 
-class Block extends Position implements BlockLegacyIds{
+class Block extends Position{
 
 	/** @var BlockIdentifier */
 	protected $idInfo;