ClearLockNotifications

ClearLockNotifications is a cydia tweak that gives you to an easy way to clear all notifications on iOS 5 without unlocking the device. ClearLockNotifications will not be added any extra icon to your home screen and there is no option to configure this tweak. Tap any icons from notifications to show/hide “close button”. So now no need to worry about Notification on lockscreen, Just use this best tweak and clear all notifications.
You can download ClearLockNotifications via the BigBoss Repo for free and it also supports iOS 5.