You can delete a Producer definition from your portal.

1. Click Delete for that Producer definition in the list of Producers. The Web Services Configuration portlet displays a list with all the Web services that you currently consume from this Producer, that is all Web services from the Producer that are available to users of your portal. If you delete the Producer definition, then all services coming from this Producer are also deleted from your portal.
2. Click OK to confirm deleting the Producer definition, or click Cancel to keep the Producer definition in your portal. Web Service Configuration returns to the main panel.