To delete a lesson, follow these steps:
Navigate to your Course, select Lessons, choose the lesson you want to delete, select the cog menu, and choose Delete from the drop down menu. A popup will appear to provide more information about what it means to delete a lesson. Select Delete Lesson to confirm you action.
How to view and restore deleted lessons
Deleted lessons can be restored at any time. To view the deleted lesson within a Course, select Lessons, then select the cog menu, and choose Deleted Lessons from the drop down menu. To resore a lesson, choose the lesson and select Restore Lesson.