diff --git a/src/data/bedrock/block/convert/BlockObjectToStateSerializer.php b/src/data/bedrock/block/convert/BlockObjectToStateSerializer.php
index 3be43f24c..4b53b6c43 100644
--- a/src/data/bedrock/block/convert/BlockObjectToStateSerializer.php
+++ b/src/data/bedrock/block/convert/BlockObjectToStateSerializer.php
@@ -189,7 +189,6 @@ use pocketmine\data\bedrock\block\convert\BlockStateWriter as Writer;
 use pocketmine\math\Axis;
 use pocketmine\math\Facing;
 use function get_class;
-use function is_string;
 
 final class BlockObjectToStateSerializer implements BlockStateSerializer{
 	/**