Deleting an External Authorization Server
If you no longer need to use a third party server as the authorization server for an Integration Server acting as the resource server, you can delete the external authorization server alias.
To delete an external authorization server alias
1. Open the Integration Server Administrator if it is not already open.
2. In the Security menu of the Navigational Panel, click OAuth.
3. In th External Authorization Servers list, locate the external alias in and click the 
icon in the Delete column. 4. When prompted to confirm that you want to delete the alias, click OK.