1. Go to Analysis > Information Library.  Click Add an ad-hoc query.
  2. Select a source view of Revenue and click Ok.
  3. On the left, click on Revenue at the top right.  In the middle, click on transaction type.  Move this to Include Records Where.
  4. Set the criteria to Not Equal To Pledge.
  5. Go to Set Save options tab.  Name and save your query.