diff --git a/src/world/format/io/region/RegionWorldProvider.php b/src/world/format/io/region/RegionWorldProvider.php
index 2a16e8ae1..67d2f362f 100644
--- a/src/world/format/io/region/RegionWorldProvider.php
+++ b/src/world/format/io/region/RegionWorldProvider.php
@@ -32,12 +32,10 @@ use pocketmine\world\format\io\BaseWorldProvider;
 use pocketmine\world\format\io\data\JavaWorldData;
 use pocketmine\world\format\io\exception\CorruptedChunkException;
 use pocketmine\world\format\io\WorldData;
-use pocketmine\world\WorldCreationOptions;
 use function assert;
 use function file_exists;
 use function is_dir;
 use function is_int;
-use function mkdir;
 use function morton2d_encode;
 use function rename;
 use function scandir;