diff --git a/extend/g4s.extend.php b/extend/g4s.extend.php
deleted file mode 100644
index 6fdf3988d..000000000
--- a/extend/g4s.extend.php
+++ /dev/null
@@ -1,66 +0,0 @@
-<?
-if (!defined('_GNUBOARD_')) exit; // 개별 페이지 접근 불가
-
-//===================================================================================
-// g4s 디렉토리 경로
-//-----------------------------------------------------------------------------------
-
-$g4['https_bbs_url']  = $g4['bbs_url'];
-if ($g4['https_url']) {
-    $g4['https_bbs_url'] = $g4['https_url'].'/'.$g4['bbs'];
-}
-
-$g4['extend_dir']   = 'extend';
-$g4['extend_path']  = $g4['path'].'/'.$g4['extend_dir'];
-
-$g4['data_dir']     = 'data';
-$g4['data_url']     = $g4['url'].'/'.$g4['data_dir'];
-$g4['data_path']    = $g4['path'].'/'.$g4['data_dir'];
-
-$g4['cache_dir']    = 'cache';
-$g4['cache_path']   = $g4['data_path'].'/'.$g4['cache_dir'];
-
-$g4['session_dir']    = 'session';
-$g4['session_path']   = $g4['data_path'].'/'.$g4['session_dir'];
-
-$g4['cache_latest_dir']     = $g4['cache_dir'].'/latest';
-$g4['cache_member_dir']     = $g4['cache_dir'].'/member';
-$g4['cache_captcha_dir']    = $g4['cache_dir'].'/captcha';
-
-$g4['cache_latest_path']    = $g4['data_path'].'/'.$g4['cache_latest_dir'];
-$g4['cache_member_path']    = $g4['data_path'].'/'.$g4['cache_member_dir'];
-$g4['cache_captcha_path']   = $g4['data_path'].'/'.$g4['cache_captcha_dir'];
-
-// g4s 기본 DHTML EDITOR
-if (!defined('G4_EDITOR')) define('G4_EDITOR', 0);
-if (G4_EDITOR) {
-    $g4['ckeditor_dir']  = 'ckeditor';
-    $g4['ckeditor_url']  = $g4['bbs_url'].'/'.$g4['ckeditor_dir'];
-    $g4['ckeditor_path'] = $g4['bbs_path'].'/'.$g4['ckeditor_dir'];
-    $g4['ckeditor_data_path'] = $g4['data_path'].'/editor';
-    $g4['ckeditor_data_url']  = $g4['data_url'].'/editor';
-
-    include_once($g4['ckeditor_path']."/ckeditor.lib.php");
-
-    $g4['js_code'][] = "var g4_ckeditor_path = \"{$g4['ckeditor_path']}\";";
-    $g4['js_file'][] = $g4['ckeditor_url']."/ckeditor.js";
-    $g4['js_file'][] = $g4['ckeditor_url']."/config.js";
-}
-
-// g4s 기본 CAPTCHA
-if (!defined('G4_CAPTCHA')) define('G4_CAPTCHA', 0);
-if (G4_CAPTCHA) {
-    $g4['gcaptcha_dir']   = 'gcaptcha';
-    $g4['gcaptcha_url']   = $g4['bbs_url'].'/'.$g4['gcaptcha_dir'];
-    $g4['gcaptcha_path']  = $g4['bbs_path'].'/'.$g4['gcaptcha_dir'];
-    $g4['gcaptcha_fonts'] = $g4['gcaptcha_path'].'/fonts';
-    $g4['gcaptcha_wavs']  = $g4['gcaptcha_path'].'/wavs';
-
-    include_once($g4['gcaptcha_path']."/gcaptcha.lib.php");
-
-    $g4['js_code'][] = "var g4_gcaptcha_path = \"{$g4['gcaptcha_path']}\";";
-    $g4['js_file'][] = $g4['gcaptcha_url']."/gcaptcha.js";
-
-}
-//===================================================================================
-?>
\ No newline at end of file