A Tampermonkey userscript for Google Calendar that simply removes Birthdays and Tasks from My calendars.
- It does this seamlessly and efficiently, only when the elements are redrawn or updated.
- It hides both Birthdays and Tasks from the My calendars list.
You can finally have more space for all of your exciting PTO and team meeting calendars!
- Make sure you have the Tampermonkey browser extension installed, enabled, and the Allow User Scripts permission checked in its Manage Extension view (see Troubleshooting).
- Open the raw script from this repo: /JohannesMP/HideHardcodedGoogleCalendars/raw/refs/heads/main/HideHardcodedGoogleCalendars.user.js
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Make sure you you have have the tampermonkey extension installed and permissions enabled:

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If it looks like something broke please submit an issue ticket
Last tested on 2026 / 02 / 24 with Chrome 145.0.7632.109


