diff --git a/composer.json b/composer.json
index e715cfc1..8ef2b56a 100644
--- a/composer.json
+++ b/composer.json
@@ -38,7 +38,6 @@
     },
     "files": [
       "Kiri.php",
-      "error.php",
       "function.php"
     ]
   }
diff --git a/error.php b/error.php
deleted file mode 100644
index 29b442d0..00000000
--- a/error.php
+++ /dev/null
@@ -1,31 +0,0 @@
-<?php
-
-define('SUCCESS', 0);
-define('NO_AUTH', 401);
-
-define('ERROR_MESSAGES', [
-	SUCCESS => 'ok',
-	NO_AUTH => ''
-]);
-
-if (!function_exists('message')) {
-
-	/**
-	 * @param $code
-	 * @param $replace
-	 * @param string $default
-	 * @return mixed|string
-	 */
-	function message($code, $replace, $default = '')
-	{
-		if (!isset(ERROR_MESSAGES[$code])) {
-			if (!empty($default)) {
-				return $default;
-			}
-			return 'unknown error';
-		}
-		return sprintf(ERROR_MESSAGES[$code], $replace);
-	}
-
-
-}