diff --git a/src/pocketmine/level/format/io/leveldb/LevelDB.php b/src/pocketmine/level/format/io/leveldb/LevelDB.php
index a71deb1dd..f0807e5a0 100644
--- a/src/pocketmine/level/format/io/leveldb/LevelDB.php
+++ b/src/pocketmine/level/format/io/leveldb/LevelDB.php
@@ -458,8 +458,7 @@ class LevelDB extends BaseLevelProvider{
 		$tiles = [];
 		foreach($chunk->getTiles() as $tile){
 			if(!$tile->isClosed()){
-				$tile->saveNBT($tileTag = new CompoundTag());
-				$tiles[] = $tileTag;
+				$tiles[] = $tile->saveNBT();
 			}
 		}
 		$this->writeTags($tiles, $index . self::TAG_BLOCK_ENTITY);
diff --git a/src/pocketmine/level/format/io/region/Anvil.php b/src/pocketmine/level/format/io/region/Anvil.php
index 272d89617..9cd69599f 100644
--- a/src/pocketmine/level/format/io/region/Anvil.php
+++ b/src/pocketmine/level/format/io/region/Anvil.php
@@ -75,8 +75,7 @@ class Anvil extends McRegion{
 
 		$tiles = [];
 		foreach($chunk->getTiles() as $tile){
-			$tile->saveNBT($tileTag = new CompoundTag());
-			$tiles[] = $tileTag;
+			$tiles[] = $tile->saveNBT();
 		}
 
 		$nbt->setTag(new ListTag("TileEntities", $tiles, NBT::TAG_Compound));
diff --git a/src/pocketmine/level/format/io/region/McRegion.php b/src/pocketmine/level/format/io/region/McRegion.php
index d935cc8a4..c080b79a4 100644
--- a/src/pocketmine/level/format/io/region/McRegion.php
+++ b/src/pocketmine/level/format/io/region/McRegion.php
@@ -94,8 +94,7 @@ class McRegion extends BaseLevelProvider{
 
 		$tiles = [];
 		foreach($chunk->getTiles() as $tile){
-			$tile->saveNBT($tileTag = new CompoundTag());
-			$tiles[] = $tileTag;
+			$tiles[] = $tile->saveNBT();
 		}
 
 		$nbt->setTag(new ListTag("TileEntities", $tiles, NBT::TAG_Compound));
diff --git a/src/pocketmine/tile/Tile.php b/src/pocketmine/tile/Tile.php
index 3cb001fbe..0bda6abd7 100644
--- a/src/pocketmine/tile/Tile.php
+++ b/src/pocketmine/tile/Tile.php
@@ -181,12 +181,15 @@ abstract class Tile extends Position{
 	 */
 	abstract protected function writeSaveData(CompoundTag $nbt) : void;
 
-	public function saveNBT(CompoundTag $nbt) : void{
+	public function saveNBT() : CompoundTag{
+		$nbt = new CompoundTag();
 		$nbt->setString(self::TAG_ID, static::getSaveId());
 		$nbt->setInt(self::TAG_X, $this->x);
 		$nbt->setInt(self::TAG_Y, $this->y);
 		$nbt->setInt(self::TAG_Z, $this->z);
 		$this->writeSaveData($nbt);
+
+		return $nbt;
 	}
 
 	public function getCleanedNBT() : ?CompoundTag{