diff --git a/adm/board_form.php b/adm/board_form.php
index 87ee32347..a70659394 100644
--- a/adm/board_form.php
+++ b/adm/board_form.php
@@ -56,8 +56,7 @@ if (!isset($board['bo_use_sns'])) {
     for ($i=0; $row=sql_fetch_array($result); $i++) {
         sql_query(" ALTER TABLE `{$g5['write_prefix']}{$row['bo_table']}`
                     ADD `wr_facebook_user` VARCHAR(255) NOT NULL DEFAULT '' AFTER `wr_ip`,
-                    ADD `wr_twitter_user` VARCHAR(255) NOT NULL DEFAULT '' AFTER `wr_facebook_user`,
-                    ADD `wr_me2day_user` VARCHAR(255) NOT NULL DEFAULT '' AFTER `wr_twitter_user` ", false);
+                    ADD `wr_twitter_user` VARCHAR(255) NOT NULL DEFAULT '' AFTER `wr_facebook_user` ", false);
     }
 }
 
diff --git a/adm/config_form.php b/adm/config_form.php
index 234144c21..a94316e9b 100644
--- a/adm/config_form.php
+++ b/adm/config_form.php
@@ -54,8 +54,7 @@ if(!isset($config['cf_facebook_appid'])) {
                     ADD `cf_facebook_appid` VARCHAR(255) NOT NULL AFTER `cf_googl_shorturl_apikey`,
                     ADD `cf_facebook_secret` VARCHAR(255) NOT NULL AFTER `cf_facebook_appid`,
                     ADD `cf_twitter_key` VARCHAR(255) NOT NULL AFTER `cf_facebook_secret`,
-                    ADD `cf_twitter_secret` VARCHAR(255) NOT NULL AFTER `cf_twitter_key`,
-                    ADD `cf_me2day_key` VARCHAR(255) NOT NULL AFTER `cf_twitter_secret` ", true);
+                    ADD `cf_twitter_secret` VARCHAR(255) NOT NULL AFTER `cf_twitter_key` ", true);
 }
 
 // uniqid 테이블이 없을 경우 생성
@@ -939,12 +938,6 @@ if ($config['cf_icode_id'] && $config['cf_icode_pw']) {
                 <input type="text" name="cf_twitter_secret" value="<?php echo $config['cf_twitter_secret'] ?>" id="cf_twitter_secret" class="frm_input" size="35">
             </td>
         </tr>
-        <tr>
-            <th scope="row"><label for="cf_me2day_key">미투데이 Key</label></th>
-            <td colspan="3">
-                <input type="text" name="cf_me2day_key" value="<?php echo $config['cf_me2day_key'] ?>" id="cf_me2day_key" class="frm_input"> <a href="http://me2day.net/me2/app/get_appkey" target="_blank" class="btn_frmline">앱 등록하기</a>
-            </td>
-        </tr>
         <tr>
             <th scope="row"><label for="cf_googl_shorturl_apikey">구글 짧은주소 API Key</label></th>
             <td>
diff --git a/adm/config_form_update.php b/adm/config_form_update.php
index 61f02ec74..e5be0a956 100644
--- a/adm/config_form_update.php
+++ b/adm/config_form_update.php
@@ -125,7 +125,6 @@ $sql = " update {$g5['config_table']}
                 cf_facebook_secret = '{$_POST['cf_facebook_secret']}',
                 cf_twitter_key = '{$_POST['cf_twitter_key']}',
                 cf_twitter_secret = '{$_POST['cf_twitter_secret']}',
-                cf_me2day_key = '{$_POST['cf_me2day_key']}',
                 cf_1_subj = '{$_POST['cf_1_subj']}',
                 cf_2_subj = '{$_POST['cf_2_subj']}',
                 cf_3_subj = '{$_POST['cf_3_subj']}',
diff --git a/adm/sql_write.sql b/adm/sql_write.sql
index d31ed96bd..f943b0453 100644
--- a/adm/sql_write.sql
+++ b/adm/sql_write.sql
@@ -29,7 +29,6 @@ CREATE TABLE `__TABLE_NAME__` (
   `wr_ip` varchar(255) NOT NULL,
   `wr_facebook_user` varchar(255) NOT NULL,
   `wr_twitter_user` varchar(255) NOT NULL,
-  `wr_me2day_user` varchar(255) NOT NULL,
   `wr_1` varchar(255) NOT NULL,
   `wr_2` varchar(255) NOT NULL,
   `wr_3` varchar(255) NOT NULL,
diff --git a/bbs/sns_send.php b/bbs/sns_send.php
index 033b29970..1e9b225db 100644
--- a/bbs/sns_send.php
+++ b/bbs/sns_send.php
@@ -12,12 +12,6 @@ switch($_REQUEST['sns']) {
     case 'twitter' :
         header("Location:http://twitter.com/home?status=".$title_url);
         break;
-    case 'me2day' :
-        header("Location:http://me2day.net/posts/new?new_post[body]=".$title_url);
-        break;
-    case 'yozm' :
-        header("Location:http://yozm.daum.net/api/popup/prePost?sourceid=41&prefix=".$title_url);
-        break;
     case 'gplus' :
         header("Location:https://plus.google.com/share?url=".$short_url);
         break;
diff --git a/bbs/write_comment_update.php b/bbs/write_comment_update.php
index 10950e9ce..f14cf04ce 100644
--- a/bbs/write_comment_update.php
+++ b/bbs/write_comment_update.php
@@ -160,7 +160,6 @@ if ($w == 'c') // 댓글 입력
                      wr_ip = '{$_SERVER['REMOTE_ADDR']}',
                      wr_facebook_user = '$wr_facebook_user',
                      wr_twitter_user  = '$wr_twitter_user',
-                     wr_me2day_user   = '$wr_me2day_user',
                      wr_1 = '$wr_1',
                      wr_2 = '$wr_2',
                      wr_3 = '$wr_3',
diff --git a/bbs/write_comment_update.sns.php b/bbs/write_comment_update.sns.php
index 6548fd2c5..1e4e63436 100644
--- a/bbs/write_comment_update.sns.php
+++ b/bbs/write_comment_update.sns.php
@@ -1,11 +1,10 @@
 <?php
-if (!defined('_GNUBOARD_')) exit; // 개별 페이지 접근 불가 
+if (!defined('_GNUBOARD_')) exit; // 개별 페이지 접근 불가
 
 if (!$board['bo_use_sns']) return;
 
 set_cookie('ck_facebook_checked', false, 86400*31);
 set_cookie('ck_twitter_checked' , false, 86400*31);
-set_cookie('ck_me2day_checked'  , false, 86400*31);
 
 //============================================================================
 // 페이스북
@@ -52,7 +51,7 @@ $wr_twitter_user = "";
 if ($_POST['twitter_checked']) {
     include_once(G5_SNS_PATH."/twitter/twitteroauth/twitteroauth.php");
     include_once(G5_SNS_PATH."/twitter/twitterconfig.php");
-    
+
     if ( !(empty($_SESSION['access_token']) || empty($_SESSION['access_token']['oauth_token']) || empty($_SESSION['access_token']['oauth_token_secret'])) ) {
         $post = googl_short_url($comment_url).' '.$wr_content;
         $post = utf8_strcut($post, 140);
@@ -61,30 +60,11 @@ if ($_POST['twitter_checked']) {
         $connection = new TwitterOAuth(CONSUMER_KEY, CONSUMER_SECRET, $access_token['oauth_token'], $access_token['oauth_token_secret']);
         // 등록
         $connection->post('statuses/update', array('status' => $post));
-    
+
         set_cookie('ck_twitter_checked', true, 86400*31);
     }
 
     $wr_twitter_user = get_session("ss_twitter_user");
 }
 //============================================================================
-
-
-//============================================================================
-// 미투데이
-//----------------------------------------------------------------------------
-$wr_me2day_user = "";
-if ($_POST['me2day_checked']) {
-    if (!empty($_SESSION['me2day']['user_id']) && !empty($_SESSION['me2day']['user_key'])) {
-        $user_id  = $_SESSION['me2day']['user_id'];
-        $user_key = $_SESSION['me2day']['user_key'];
-        $auth_key = "12345678" . md5("12345678" . $user_key);
-        $result = file_get_contents("http://me2day.net/api/create_post/{$user_id}.json?uid={$user_id}&ukey={$auth_key}&akey=".$config['cf_me2day_key']."&post[body]=".urlencode($wr_content));
-
-        set_cookie('ck_me2day_checked', true, 86400*31);
-    }
-
-    $wr_me2day_user = get_session("ss_me2day_user");
-}
-//============================================================================
 ?>
\ No newline at end of file
diff --git a/install/gnuboard5.sql b/install/gnuboard5.sql
index e70e27c6d..e960e3394 100644
--- a/install/gnuboard5.sql
+++ b/install/gnuboard5.sql
@@ -299,7 +299,6 @@ CREATE TABLE IF NOT EXISTS `g5_config` (
   `cf_facebook_secret` varchar(255) NOT NULL,
   `cf_twitter_key` varchar(255) NOT NULL,
   `cf_twitter_secret` varchar(255) NOT NULL,
-  `cf_me2day_key` varchar(255) NOT NULL,
   `cf_1_subj` varchar(255) NOT NULL DEFAULT '',
   `cf_2_subj` varchar(255) NOT NULL DEFAULT '',
   `cf_3_subj` varchar(255) NOT NULL DEFAULT '',
diff --git a/plugin/sns/icon/me2day.png b/plugin/sns/icon/me2day.png
deleted file mode 100644
index caad2cfdb..000000000
Binary files a/plugin/sns/icon/me2day.png and /dev/null differ
diff --git a/plugin/sns/icon/me2day_cmt.png b/plugin/sns/icon/me2day_cmt.png
deleted file mode 100644
index cd7e21601..000000000
Binary files a/plugin/sns/icon/me2day_cmt.png and /dev/null differ
diff --git a/plugin/sns/icon/me2day_off.png b/plugin/sns/icon/me2day_off.png
deleted file mode 100644
index 8f2b8c6f0..000000000
Binary files a/plugin/sns/icon/me2day_off.png and /dev/null differ
diff --git a/plugin/sns/me2day/_common.php b/plugin/sns/me2day/_common.php
deleted file mode 100644
index 28c56e92c..000000000
--- a/plugin/sns/me2day/_common.php
+++ /dev/null
@@ -1,3 +0,0 @@
-<?php
-include_once("../../../common.php");
-?>
\ No newline at end of file
diff --git a/plugin/sns/me2day/callback.php b/plugin/sns/me2day/callback.php
deleted file mode 100644
index 179be471a..000000000
--- a/plugin/sns/me2day/callback.php
+++ /dev/null
@@ -1,55 +0,0 @@
-<?php
-include_once("./_common.php");
-
-$user_id  = $_GET['user_id'];
-$user_key = $_GET['user_key'];
-$auth_key = "12345678" . md5("12345678" . $user_key);
-
-$_SESSION['me2day']['user_id']  = $user_id;
-$_SESSION['me2day']['user_key'] = $user_key;
-
-$g5['title'] = '미투데이 콜백';
-include_once(G5_PATH.'/head.sub.php');
-
-$result = json_decode(file_get_contents("http://me2day.net/api/noop.json?uid={$user_id}&ukey={$auth_key}&akey=".$config['cf_me2day_key']));
-if ($result->code == 0) {
-
-    $user     = json_decode(file_get_contents("http://me2day.net/api/get_person/{$user_id}.json"));
-    $sns_name = $user->nickname;
-    $sns_user = $user->id;
-
-    set_cookie('ck_sns_name', $sns_name, 86400);
-    set_session('ss_me2day_user', $sns_user);
-
-    $g5_sns_url = G5_SNS_URL;
-
-    echo <<<EOT
-    <script>
-    $(function() {
-        document.write("<strong>미투데이에 승인이 되었습니다.</strong>");
-
-        var opener = window.opener;
-        opener.$("#wr_name").val("{$sns_name}");
-        opener.$("#me2day_icon").attr("src", "{$g5_sns_url}/icon/me2day.png");
-        opener.$("#me2day_checked").attr("disabled", false);
-        opener.$("#me2day_checked").attr("checked", true);
-        window.close();
-    });
-    </script>
-EOT;
-
-} else {
-
-    echo <<<EOT
-    <script>
-    $(function() {
-        alert("미투데이에 승인이 되지 않았습니다.");
-        window.close();
-    });
-    </script>
-EOT;
-
-}
-
-include_once(G5_PATH.'/tail.sub.php');
-?>
diff --git a/plugin/sns/view.sns.skin.php b/plugin/sns/view.sns.skin.php
index 3b02f4b3b..8b2910ae4 100644
--- a/plugin/sns/view.sns.skin.php
+++ b/plugin/sns/view.sns.skin.php
@@ -13,7 +13,6 @@ $kakao_appname = urlencode(str_replace('\"', '"', $g5['title']));
 
 $facebook_url  = 'http://www.facebook.com/sharer/sharer.php?s=100&p[url]='.$sns_url.'&p[title]='.$sns_msg;
 $twitter_url   = 'http://twitter.com/home?status='.$msg_url;
-$me2day_url    = 'http://me2day.net/posts/new?new_post[body]='.$msg_url;
 $gplus_url     = 'https://plus.google.com/share?url='.$sns_url;
 
 /*
@@ -26,7 +25,6 @@ $sns_send .= '&amp;title='.$sns_msg;
 <ul id="bo_v_sns">
     <li><a href="<?php echo $facebook_url; ?>" target="_blank"><img src="<?php echo G5_SNS_URL; ?>/icon/facebook.png" alt="페이스북으로 보내기"></a></li>
     <li><a href="<?php echo $twitter_url; ?>" target="_blank"><img src="<?php echo G5_SNS_URL; ?>/icon/twitter.png" alt="트위터로 보내기"></a></li>
-    <li><a href="<?php echo $me2day_url; ?>" target="_blank"><img src="<?php echo G5_SNS_URL; ?>/icon/me2day.png" alt="미투데이로 보내기"></a></li>
     <li><a href="<?php echo $gplus_url; ?>" target="_blank"><img src="<?php echo G5_SNS_URL; ?>/icon/gplus.png" alt="구글플러스로 보내기"></a></li>
     <?php
     if (G5_IS_MOBILE) {
diff --git a/plugin/sns/view_comment_list.sns.skin.php b/plugin/sns/view_comment_list.sns.skin.php
index 6006f5f20..9082eb1dc 100644
--- a/plugin/sns/view_comment_list.sns.skin.php
+++ b/plugin/sns/view_comment_list.sns.skin.php
@@ -13,6 +13,3 @@ if (!$board['bo_use_sns']) return;
 <?php if ($list[$i]['wr_twitter_user']) { ?>
 <a href="https://www.twitter.com/<?php echo $list[$i]['wr_twitter_user']; ?>" target="_blank"><img src="<?php echo G5_SNS_URL; ?>/icon/twitter<?php echo $sns_mc_icon; ?>.png" alt="트위터에도 등록됨"></a>
 <?php } ?>
-<?php if ($list[$i]['wr_me2day_user']) { ?>
-<a href="http://me2day.net/<?php echo $list[$i]['wr_me2day_user']; ?>" target="_blank"><img src="<?php echo G5_SNS_URL; ?>/icon/me2day<?php echo $sns_mc_icon; ?>.png" alt="미투데이에도 등록됨"></a>
-<?php } ?>
diff --git a/plugin/sns/view_comment_write.sns.skin.php b/plugin/sns/view_comment_write.sns.skin.php
index bca1429ae..ba3e50012 100644
--- a/plugin/sns/view_comment_write.sns.skin.php
+++ b/plugin/sns/view_comment_write.sns.skin.php
@@ -64,7 +64,7 @@ if (!$board['bo_use_sns']) return;
                 if (empty($_SESSION['access_token']) || empty($_SESSION['access_token']['oauth_token']) || empty($_SESSION['access_token']['oauth_token_secret'])) {
                     $twitter_url = G5_SNS_URL."/twitter/redirect.php";
                 } else {
-                    $access_token = $_SESSION['access_token']; 
+                    $access_token = $_SESSION['access_token'];
                     $connection = new TwitterOAuth(CONSUMER_KEY, CONSUMER_SECRET, $access_token['oauth_token'], $access_token['oauth_token_secret']);
                     $content = $connection->get('account/verify_credentials');
 
@@ -73,12 +73,12 @@ if (!$board['bo_use_sns']) return;
                             $twitter_user = true;
                             $twitter_url = $connection->getAuthorizeURL($token);
                             break;
-                        default : 
+                        default :
                             $twitter_url = G5_SNS_URL."/twitter/redirect.php";
                     }
                 }
                 */
-                $access_token = $_SESSION['access_token']; 
+                $access_token = $_SESSION['access_token'];
                 $connection = new TwitterOAuth(CONSUMER_KEY, CONSUMER_SECRET, $access_token['oauth_token'], $access_token['oauth_token_secret']);
                 $content = $connection->get('account/verify_credentials');
 
@@ -87,7 +87,7 @@ if (!$board['bo_use_sns']) return;
                         $twitter_user = true;
                         $twitter_url = $connection->getAuthorizeURL($token);
                         break;
-                    default : 
+                    default :
                         $twitter_url = G5_SNS_URL."/twitter/redirect.php";
                 }
             }
@@ -106,42 +106,6 @@ if (!$board['bo_use_sns']) return;
             echo '</li>';
         }
         //============================================================================
-
-
-        //============================================================================
-        // 미투데이
-        //----------------------------------------------------------------------------
-        if ($config['cf_me2day_key']) {
-            /*
-            $me2day_user = false;
-            if (empty($_SESSION['me2day']['user_id']) || empty($_SESSION['me2day']['user_key'])) {
-                $result = json_decode(file_get_contents("http://me2day.net/api/get_auth_url.json?akey=".$config['cf_me2day_key']));
-                $me2day_url = $result->url;
-            } else {
-                $me2day_user = true;
-            }
-            */
-
-            $me2day_user = get_session("ss_me2day_user");
-            if (!$me2day_user) {
-                $result = json_decode(file_get_contents("http://me2day.net/api/get_auth_url.json?akey=".$config['cf_me2day_key']));
-                $me2day_url = $result->url;
-            }
-
-            echo '<li>';
-            if ($me2day_user) {
-                echo '<img src="'.G5_SNS_URL.'/icon/me2day.png" id="me2day_icon">';
-                echo '<label for="" class="sound_only">미투데이 동시 등록</label>';
-                echo '<input type="checkbox" name="me2day_checked" id="me2day_checked" '.(get_cookie('ck_me2day_checked')?'checked':'').' value="1">';
-            } else {
-                echo '<a href="'.$me2day_url.'" id="me2day_url" onclick="return false;"><img src="'.G5_SNS_URL.'/icon/me2day'.($me2day_user?'':'_off').'.png" id="me2day_icon"></a>';
-                echo '<label for="" class="sound_only">미투데이 동시 등록</label>';
-                echo '<input type="checkbox" name="me2day_checked" id="me2day_checked" disabled value="1">';
-                echo '<script>$(function(){ $("#me2day_url").click(function(){ window.open(this.href, "me2day_url", "width=1000,height=800"); }); });</script>';
-            }
-            echo '</li>';
-        }
-        //============================================================================
         ?>
         </ul>
     </td>