The Unlink button provides a quick way to remove unwanted hyperlinks from the content without altering the code directly. The hyperlink HTML code is removed without removing the text itself.
Click on the hyperlinked content
Select the Unlink tool
Never Hurts to Double Check
To double check that the hyperlink was removed, you can also check in the HTML tag navigator. Place your cursor on the previously hyperlinked content and check the bottom of the editor to make sure that no lingering <a> tag remains in the html code.