Learn how to remove chrome extensions from your browser if you no longer need them.
Uninstall an extension to remove it completely from the browser:
Click the Chrome menu on the browser toolbar.
Click Tools.
Select Extensions.
Click the trash can icon by the extension you'd like to completely remove.
A confirmation dialog appears, click Remove.
Chrome even allows some system wide extensions to prevent you from disabling or removing them via Chrome’s Extensions page.
You can uninstall such extensions from the control panel.