diff --git a/classes/Notice.php b/classes/Notice.php
index 1b6edb4cd3..ebbd9e0462 100644
--- a/classes/Notice.php
+++ b/classes/Notice.php
@@ -2775,10 +2775,24 @@ class Notice extends Managed_DataObject
 
     public function getParent()
     {
+	$reply_to_id = null;
+
         if (empty($this->reply_to)) {
             throw new NoParentNoticeException($this);
         }
-        return self::getByID($this->reply_to);
+
+	// The reply_to ID in the table Notice could exist with a number
+	// however, the replied to notice might not exist in the database.
+	// Thus we need to catch the exception and throw the NoParentNoticeException else 
+	// the timeline will not display correctly.
+	try {
+		$reply_to_id = self::getByID($this->reply_to);
+	} catch(Exception $e){
+		throw new NoParentNoticeException($this);
+	}
+
+
+        return $reply_to_id;
     }
 
     /**
diff --git a/plugins/DirectMessage/lib/inboxmessagelist.php b/plugins/DirectMessage/lib/inboxmessagelist.php
deleted file mode 100644
index 3c7281e985..0000000000
--- a/plugins/DirectMessage/lib/inboxmessagelist.php
+++ /dev/null
@@ -1,167 +0,0 @@
-<?php
-/**
- * StatusNet, the distributed open-source microblogging tool
- *
- * common superclass for direct messages inbox and outbox
- *
- * PHP version 5
- *
- * LICENCE: This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- *
- * @category  Message
- * @package   StatusNet
- * @author    Evan Prodromou <evan@status.net>
- * @copyright 2008 StatusNet, Inc.
- * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
- * @link      http://status.net/
- */
-
-if (!defined('STATUSNET') && !defined('LACONICA')) {
-    exit(1);
-}
-
-/**
- * common superclass for direct messages inbox and outbox
- *
- * @category Message
- * @package  StatusNet
- * @author   Evan Prodromou <evan@status.net>
- * @license  http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
- * @link     http://status.net/
- * @see      InboxAction
- * @see      OutboxAction
- */
-class MailboxAction extends Action
-{
-    var $page = null;
-
-    function prepare($args)
-    {
-        parent::prepare($args);
-
-        $nickname   = common_canonical_nickname($this->arg('nickname'));
-        $this->user = User::getKV('nickname', $nickname);
-        $this->page = $this->trimmed('page');
-
-        if (!$this->page) {
-            $this->page = 1;
-        }
-
-        common_set_returnto($this->selfUrl());
-
-        return true;
-    }
-
-    /**
-     * output page based on arguments
-     *
-     * @param array $args HTTP arguments (from $_REQUEST)
-     *
-     * @return void
-     */
-    function handle($args)
-    {
-        parent::handle($args);
-
-        if (!$this->user) {
-            // TRANS: Client error displayed when trying to access a mailbox without providing a user.
-            $this->clientError(_('No such user.'), 404);
-        }
-
-        $cur = common_current_user();
-
-        if (!$cur || $cur->id != $this->user->id) {
-            // TRANS: Client error displayed when trying to access a mailbox that is not of the logged in user.
-            $this->clientError(_('Only the user can read their own mailboxes.'), 403);
-        }
-
-        $this->showPage();
-    }
-
-    function showNoticeForm()
-    {
-        $message_form = new MessageForm($this);
-        $message_form->show();
-    }
-
-    function showContent()
-    {
-        $message = $this->getMessages();
-
-        if ($message) {
-
-            $ml = $this->getMessageList($message);
-
-            $cnt = $ml->show();
-
-            $this->pagination($this->page > 1,
-                              $cnt > MESSAGES_PER_PAGE,
-                              $this->page,
-                              $this->trimmed('action'),
-                              array('nickname' => $this->user->nickname));
-        } else {
-            $this->element('p',
-                           'guide',
-                           // TRANS: Message displayed when there are no private messages in the inbox of a user.
-                           _('You have no private messages. '.
-                             'You can send private message to engage other users in conversation. '.
-                             'People can send you messages for your eyes only.'));
-        }
-    }
-
-    function getMessages()
-    {
-        return null;
-    }
-
-    function getMessageList($message)
-    {
-        return null;
-    }
-
-    /**
-     * Show the page notice
-     *
-     * Shows instructions for the page
-     *
-     * @return void
-     */
-    function showPageNotice()
-    {
-        $instr  = $this->getInstructions();
-        $output = common_markup_to_html($instr);
-
-        $this->elementStart('div', 'instructions');
-        $this->raw($output);
-        $this->elementEnd('div');
-    }
-
-    /**
-     * Mailbox actions are read only
-     *
-     * @param array $args other arguments
-     *
-     * @return boolean
-     */
-    function isReadOnly($args)
-    {
-         return true;
-    }
-
-    function showObjectNav()
-    {
-        $mm = new MailboxMenu($this);
-        $mm->show();
-    }
-}