On the Edit Report screen for the selected report, click the Report Parameters button or select the Maintenance menu and then Report Parameters.
Note: If the report to edit is not yet open, first complete the following: from the Report Writer screen, click on the name of the view group in the Report Groups List that contains the report for which to delete the report parameter and click on the name of the report to edit in the Reports List (or click the Find button instead to search for the desired report); then click the Edit Record button located at the top of the screen.
At the Report Parameters screen, double-click on the desired parameter to delete in the Report Parameters List, or click the Find button to select the correct one.
Once the parameter to delete is displayed on the screen, click the Delete button; when prompted to delete the record, click Yes.