diff --git a/src/data/bedrock/blockstate/upgrade/BlockStateUpgradeSchemaUtils.php b/src/data/bedrock/blockstate/upgrade/BlockStateUpgradeSchemaUtils.php
index ea6033aa3..96135430b 100644
--- a/src/data/bedrock/blockstate/upgrade/BlockStateUpgradeSchemaUtils.php
+++ b/src/data/bedrock/blockstate/upgrade/BlockStateUpgradeSchemaUtils.php
@@ -37,13 +37,10 @@ use Webmozart\PathUtil\Path;
 use function array_map;
 use function count;
 use function file_get_contents;
-use function get_class;
 use function get_debug_type;
 use function gettype;
 use function implode;
-use function is_int;
 use function is_object;
-use function is_string;
 use function json_decode;
 use function ksort;
 use function str_pad;