diff --git a/src/PocketMine.php b/src/PocketMine.php
index 3f6212a18..ee6515b3d 100644
--- a/src/PocketMine.php
+++ b/src/PocketMine.php
@@ -26,13 +26,11 @@ namespace pocketmine {
 	use pocketmine\errorhandler\ErrorToExceptionHandler;
 	use pocketmine\thread\ThreadManager;
 	use pocketmine\utils\Filesystem;
-	use pocketmine\utils\Git;
 	use pocketmine\utils\MainLogger;
 	use pocketmine\utils\Process;
 	use pocketmine\utils\ServerKiller;
 	use pocketmine\utils\Terminal;
 	use pocketmine\utils\Timezone;
-	use pocketmine\utils\VersionString;
 	use pocketmine\wizard\SetupWizard;
 
 	require_once __DIR__ . '/VersionInfo.php';
diff --git a/src/Server.php b/src/Server.php
index 97c438e15..a35c66a20 100644
--- a/src/Server.php
+++ b/src/Server.php
@@ -68,8 +68,8 @@ use pocketmine\player\OfflinePlayer;
 use pocketmine\player\Player;
 use pocketmine\plugin\PharPluginLoader;
 use pocketmine\plugin\Plugin;
-use pocketmine\plugin\PluginGraylist;
 use pocketmine\plugin\PluginEnableOrder;
+use pocketmine\plugin\PluginGraylist;
 use pocketmine\plugin\PluginManager;
 use pocketmine\plugin\PluginOwned;
 use pocketmine\plugin\ScriptPluginLoader;
diff --git a/src/player/Player.php b/src/player/Player.php
index eb38968ce..e9635d2d2 100644
--- a/src/player/Player.php
+++ b/src/player/Player.php
@@ -111,7 +111,6 @@ use pocketmine\world\sound\EntityAttackSound;
 use pocketmine\world\sound\FireExtinguishSound;
 use pocketmine\world\World;
 use function abs;
-use function array_key_exists;
 use function assert;
 use function count;
 use function explode;