On the
Crystal
Reports
menu, click
Record
Filter.
Choose the filter that uses
the parameter you want to delete.
Click
Delete to remove the entire filter, or choose a different
field or parameter for the filter to use.
Click
OK
to close the Record Filter dialog box.
Go to the
"Field Explorer
"view, expand
Parameters, and then right-click the parameter you want to
delete.
Click Delete.