Deleting an Event Subscription
1. In Package Navigator view, select the current Integration Server and select File > Properties. In the Properties for serverName dialog box, select Event Manager.
2. In the View event subscribers for list, select the event type for which you want to delete a subscription.
3. Click the subscription you want to delete, and then click 
. 4. Repeat this procedure for each subscription that you want to delete.
5. Click OK when you finish deleting subscriptions. Your changes take effect immediately.