diff --git a/notifications/inc/class.notification_winpopup.inc.php b/notifications/inc/class.notification_winpopup.inc.php
deleted file mode 100644
index 1aab59f566..0000000000
--- a/notifications/inc/class.notification_winpopup.inc.php
+++ /dev/null
@@ -1,145 +0,0 @@
-<?php
-/**
- * eGroupWare - Notifications
- *
- * @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
- * @package notifications
- * @link http://www.egroupware.org
- * @author Christian Binder <christian@jaytraxx.de>
- */
-
-require_once('class.iface_notification.inc.php');
-require_once(EGW_INCLUDE_ROOT.'/phpgwapi/inc/class.config.inc.php');
-
-/**
- * User notification via winpopup.
- */
-class notification_winpopup implements iface_notification {
-
-	/**
-	 * Appname
-	 */
-	const _appname = 'notifications';
-	
-	/**
-	 * Notification table in SQL database
-	 */
-	const _login_table = 'egw_access_log';
-	
-	/**
-	 * holds account object for user who sends the message
-	 *
-	 * @var object
-	 */
-	private $sender;
-	
-	/**
-	 * holds account object for user to notify
-	 *
-	 * @var object
-	 */
-	private $recipient;
-	
-	/**
-	 * holds config object (sitewide application config)
-	 *
-	 * @var object
-	 */
-	private $config;
-	
-	/**
-	 * holds preferences object of user to notify
-	 *
-	 * @var object
-	 */
-	private $preferences;
-	
-	/**
-	 * constructor of notification_winpopup
-	 *
-	 * @param object $_recipient
-	 * @param object $_preferences
-	 */
-	public function __construct($_sender=false, $_recipient=false, $_config=false, $_preferences=false) {
-		// If we are called from class notification sender, recipient, config and prefs are objects.
-		// otherwise we have to fetch this objects for current user.
-		if (!is_object($_sender)) {
-			$this->sender = (object) $GLOBALS['egw']->accounts->read($_sender);
-			$this->sender->id =& $this->sender->account_id;
-		}
-		else {
-			$this->sender = $_sender;
-		}
-		if (!is_object($_recipient)) {
-			$this->recipient = (object) $GLOBALS['egw']->accounts->read($_recipient);
-			$this->recipient->id =& $this->recipient->account_id;
-		}
-		else {
-			$this->recipient = $_recipient;
-		}
-		if(!is_object($_config)) {
-			$config = new config(self::_appname);
-			$this->config = (object) $config->read_repository();
-		} else {
-			$this->config = $_config;
-		}
-		if(!is_object($_preferences)) {
-			$prefs = new preferences($this->recipient->id);
-			$preferences = $prefs->read();
-			$this->preferences = (object)$preferences[self::_appname ];
-		} else {
-			$this->preferences = $_preferences;
-		}
-	}
-	
-	/**
-	 * sends notification
-	 *
-	 * @param string $_subject
-	 * @param array $_messages
-	 * @param array $_attachments
-	 */
-	public function send( $_subject = false, $_messages, $_attachments = false) {
-		if(!$this->config->winpopup_netbios_command) {
-			throw new Exception("Winpopup plugin not configured yet. Skipped sending notification message. Please check your settings.");
-		}
-		$sessions = $GLOBALS['egw']->session->list_sessions(0, 'asc', 'session_dla', true);
-		$user_sessions = array();
-		foreach ($sessions as $session) {
-			if ($session['session_lid'] == $this->recipient->lid. '@'. $GLOBALS['egw_info']['user']['domain']) {
-				$user_sessions[] = $session['session_ip'];
-			}
-		}
-		if ( empty($user_sessions) ) throw new Exception("User #{$this->recipient->id} isn't online. Can't send notification via winpopup");
-		$this->send_winpopup( $_messages['plain']['text'], $user_sessions );
-	}
-	
-	/**
-	 * sends the winpopup message via pre-defined smbclient tool in prefs
-	 *
-	 * @param string $_message
-	 * @param array $_user_sessions
-	 */
-	private function send_winpopup( $_message, array $_user_sessions ) {
-		foreach($_user_sessions as $user_session) {
-			$ip_octets=explode(".",$user_session);
-			// format the ip_octets to 3 digits each
-			foreach($ip_octets as $id=>$ip_octet) {
-				if(strlen($ip_octet)==1) { $ip_octets[$id] = '00'.$ip_octet; }
-				if(strlen($ip_octet)==2) { $ip_octets[$id] = '0'.$ip_octet; }
-			}
-			$placeholders = array(	'/\[MESSAGE\]/' => $_message,
-									'/\[1\]/' => $ip_octets[0],
-									'/\[2\]/' => $ip_octets[1],
-									'/\[3\]/' => $ip_octets[2],
-									'/\[4\]/' => $ip_octets[3],
-									'/\[IP\]/' => $user_session,
-									'/\[SENDER\]/' => $GLOBALS['egw']->accounts->id2name($this->sender->id,'account_fullname'),
-									);
-			$command = preg_replace(array_keys($placeholders), $placeholders, $this->config->winpopup_netbios_command);
-			if(!exec($command)) {
-				throw new Exception("Failed sending notification message via winpopup. Please check your settings.");
-			}
-		}
-	}
-}
\ No newline at end of file