Instructors can delete assignment files from the Grade Center.  Once students have submitted assignment files and a grade has been recorded, instructors can delete one or more student submission files to save space in their course.
1)      From within the course that your assignment is in, click on the the Assignments Smart View from the Grade Center section of the Control Panel

2)      Click on the chevrons within the assignments column that you want to clean up.

3)      In the contextual menu, select Assignment File Cleanup to access the files associated with the assignment.

4)      Before deleting a file, you can quickly view it by clicking on the file name.

5)      To delete users’ files, select the users and click Delete.  The students’ graded files are now deleted from the Course assignment.

6)      Click OK to return to Grade Center