1. After signing in to your teacher account, click the "ELA" link from the left sidebar.
2. Click the "Reading Skills Literature" or "Reading Skills Informational" button.
3. Click the "Assignments" tab.
4. Select the trashcan icon in the leftmost column for the skill that you want to delete.
5. Click "OK."

The skill will now be deleted for all students to who it had been assigned.