To delete an internal user data source
1.
Click Settings > Users.
The Users list is displayed in the left pane.
2.
The user account details appear in the right pane.
3.
Click the Edit Data Sources link at the bottom of the page.
The user's data sources are listed.
4.
The data source details are listed.
5.
Click Delete.
A window displays the message, Are you sure you want to delete this data source?
6.
The user's data sources are listed, and the data source you deleted is removed.