You can delete any public report or saved report.
To delete an existing saved report:
1.Open Business Intelligence and Reports from the Desktop.
2.Select the Saved Reports tab.
The Saved Reports|Reports page appears.
3.Search for and select the saved report that you want to run.
The Saved Reports|Parameters page appears.
4.Click 'Delete'.
A window prompts you to confirm the deletion of the report.
5.Click 'OK'.
A window confirms that the report was deleted.
6.Click 'OK'.