To delete a portlet definition:
Log on to PPM.
From the menu bar, select Open > Administration > Portlet Definitions > Configure Portlet Definitions.
The Configure Portlet Definitions page appears, as shown in Step 2 (From the menu bar, select Open > Administration > Portlet Definitions > Configure Portlet Definitions..
Search for and select a portlet definition.
For detailed instructions on how to search for and select portlet definitions, see Searching for Existing Portlet Definitions.
The Configure Portlet Definition: <Portlet Definition> page appears.
Click the delete icon next to the name of the portlet definition to delete.
A confirmation dialog box opens.
The confirmation dialog box closes and the Configure Portlet Definitions page is updated.