This article describes how to remove Walution add-on from Google Sheets, and how to uninstall the Walution web browser extension.
In Google Sheets, click on Extensions > Add-ons > Manage add-ons.
On Walution add-on tile, click on Options (three dots in the top-right corner), and then click on Uninstall.
In the web browser, click on Extensions (jigsaw piece) > More actions (three dots) for Walution > Remove from Chrome.
Follow the on-screen prompts to complete the uninstallation of the Walution extension.