Can you please tell me how to remove the "Course Summary" of last year's course. I was able to remove the old syllabus, but not the course summary.
The "Course Summary" section under the Syllabus tab is generated automatically from due dates that you have attached to published assignments and events in the course. If you update dates within the course, the new dates will be reflected in the summary.
There's a little more information in:
How do I use the Syllabus as an instructor?
Retrieving data ...