How to hide a related list on a Form widget in Service Portal

In Service Portal, you can view a record on the Form widget, which allows you to see the related lists at bottom of the widget. You can hide these related lists using the following steps. 

Access an incident record in Service Portal view

• Use the following URL to open an incident record in the Form widget. The form widget uses the sp view to show the record details.

https://instancename.service-now.com/sp?id=form&table=incident&sys_id=<sys_id of incident>&view=sp

Remove related lists

1.  Open any incident record in Service Portal view using this URL: 
   https://instancename.service-now.com/nav_to.do?uri=incident.do?sys_id=<sys_id of incident>%26sysparm_view=sp
   
   
2. Go to Configure > Related lists.
3. Remove the related lists from the Selected area.
4. Select Save to apply the changes. 
   
   

The incident record now displays without related lists.