diff --git a/src/pocketmine/PocketMine.php b/src/pocketmine/PocketMine.php
index 32c4b9edb..244159c62 100644
--- a/src/pocketmine/PocketMine.php
+++ b/src/pocketmine/PocketMine.php
@@ -139,16 +139,12 @@ namespace pocketmine {
 
 	define('pocketmine\COMPOSER_AUTOLOADER_PATH', \pocketmine\PATH . 'vendor/autoload.php');
 
-	function composer_error_die($message){
-		critical_error($message);
-		critical_error("Please install/update Composer dependencies or use provided builds.");
-		exit(1);
-	}
-
 	if(is_file(\pocketmine\COMPOSER_AUTOLOADER_PATH)){
 		require_once(\pocketmine\COMPOSER_AUTOLOADER_PATH);
 	}else{
-		composer_error_die("Composer autoloader not found.");
+		critical_error("Composer autoloader not found.");
+		critical_error("Please install/update Composer dependencies or use provided builds.");
+		exit(1);
 	}
 
 	set_error_handler([Utils::class, 'errorExceptionHandler']);