This help article applies to users on Fresh Projects Version 2. 
Which version of Fresh Projects am I using?

00:00: In the case where you've added a project and sub project to your timesheet by accident, you can delete it as follows.

00:06: Once you are in your timesheet, click here to delete all time entries for a sub project row.

00:12: Then confirm the delete action.

00:15: If you would like to delete all time entries for a project row, then click here.

00:20: Then confirm the delete action.

00:23: You have now successfully deleted timesheet entries from your timesheet.