You can delete custom dashboard(s) and dashboard group(s) that are no longer needed.
        Before you begin
            
                - You can delete only dashboards that are not associated with schedules or dashboard groups.
- You can delete only dashboard groups that are not associated with schedules or dashboards.
Steps
- 
                On the left pane, click the  icon. icon.The  Catalog page opens displaying the  Dashboards tab details. 
- 
                To expand the Global folder and view the sub-folders, click the expand  icon. icon.
- 
                Navigate to appropriate sub-folder by expanding the sub-folders.
            
- 
                Select the column header check box to select all dashboards and dashboard groups or select specific dashboards and dashboard groups.
            
- 
                Click the Delete Catalogs
                     icon. icon.A message appears asking for your confirmation to delete the selected catalogs. 
- 
                Click Yes.
                The selected dashboard(s) and dashboard group(s) are removed from the folder.