Not everyone can remove this warning. Your ability depends on the type of Google account you are using.
If your app is listed on the Marketplace and verified, the warning disappears. However, listing requires verification and typically a security assessment. Not everyone can remove this warning
He realized he couldn't just "CSS-hide" his way out of this. To remove the mark, he had to graduate. He began the grueling process of migrating his entire codebase. He moved the logic from Apps Script to a dedicated Node.js server. He swapped the Google Sheet for a robust SQL database. He replaced the simple function with a professional front-end framework. He began the grueling process of migrating his
: You cannot hide the banner by adding CSS like display: none directly to your Apps Script HTML file. Google hosts the banner in a parent frame with a different origin, and browser security policies ( Same-Origin Policy ) prevent your script from interacting with or hiding elements in that parent frame. he had to graduate.
Once your project is verified as a "Verified Publisher" by Google, the banner and "unverified app" warnings will disappear for all users. Note that this process can take several weeks and may require a security audit if you use restricted data scopes. 4. Technical Workarounds (For Personal Viewing)
document.getElementById('warning').style.display = 'none'; ``` Use code with caution. Copied to clipboard