diff --git a/src/block/BaseSign.php b/src/block/BaseSign.php
index a2b0ffc96..a1d2d6944 100644
--- a/src/block/BaseSign.php
+++ b/src/block/BaseSign.php
@@ -24,19 +24,13 @@ declare(strict_types=1);
 namespace pocketmine\block;
 
 use pocketmine\block\tile\Sign as TileSign;
-use pocketmine\block\utils\BlockDataSerializer;
 use pocketmine\block\utils\SignText;
 use pocketmine\event\block\SignChangeEvent;
-use pocketmine\item\Item;
 use pocketmine\math\AxisAlignedBB;
-use pocketmine\math\Facing;
-use pocketmine\math\Vector3;
 use pocketmine\player\Player;
 use pocketmine\utils\TextFormat;
-use pocketmine\world\BlockTransaction;
 use function array_map;
 use function assert;
-use function floor;
 use function strlen;
 
 abstract class BaseSign extends Transparent{
diff --git a/src/block/BlockLegacyIdHelper.php b/src/block/BlockLegacyIdHelper.php
index ec37e6ae8..3bd806b14 100644
--- a/src/block/BlockLegacyIdHelper.php
+++ b/src/block/BlockLegacyIdHelper.php
@@ -24,7 +24,6 @@ declare(strict_types=1);
 namespace pocketmine\block;
 
 use pocketmine\block\BlockIdentifier as BID;
-use pocketmine\block\BlockIdentifierFlattened as BIDFlattened;
 use pocketmine\block\BlockLegacyIds as Ids;
 use pocketmine\block\tile\Sign as TileSign;
 use pocketmine\block\utils\DyeColor;
diff --git a/src/network/mcpe/handler/InGamePacketHandler.php b/src/network/mcpe/handler/InGamePacketHandler.php
index 61cda4ba3..4f5498486 100644
--- a/src/network/mcpe/handler/InGamePacketHandler.php
+++ b/src/network/mcpe/handler/InGamePacketHandler.php
@@ -23,9 +23,9 @@ declare(strict_types=1);
 
 namespace pocketmine\network\mcpe\handler;
 
+use pocketmine\block\BaseSign;
 use pocketmine\block\BlockLegacyIds;
 use pocketmine\block\ItemFrame;
-use pocketmine\block\BaseSign;
 use pocketmine\block\utils\SignText;
 use pocketmine\entity\animation\ConsumingItemAnimation;
 use pocketmine\entity\InvalidSkinException;