1. In Registrar's Office, select Configuration. 
2. Click on Registrar Setup.
3. Highlight Translation Tables. 
4. Open the translation table associated with the course in question. 
5. From the toolbar, select View > GPA View. 
6. Find the grade being used for the course (for example, "W").
7. For this grade, unmark the checkbox for each "Use in GPA Calcs" column.
8. Save and Close.