Locate the item, click on the double down arrow and select Edit.
In the text box, select and cut all the content.
open Notepad and paste the selected content into Notepad.
Go back to Blackboard, click on the Toggle HTML Source Mode icon (in the red circle).
Delete the HTML code.
Then, click on the Toggle HTML Source Mode icon again to go back to the normal view.
Edit the content in the Notepad and then copy it to Blackboard.
Now, the HTML code is gone. Click on submit to finish.