You can hide dashboard reports that are not required.
To hide a dashboard report:
On the Oracle BI EE Home screen, select Dashboards, then OFMA, and then select a dashboard.
On the Dashboard tool bar, click , and then select Edit Dashboard.
On the Edit Dashboard toolbar, click , and then select Dashboard properties.
In Dashboard Properties, under Dashboard Pages, click Hide Page beside each dashboard that you want to hide.
On the Edit Dashboard toolbar, click .