Navigate to https://github.com/watching
Copy the code below and paste it into Dev Console in your browser
Change 'ORG-NAME'
as appropriate.
let targetOrg, query, rows;
targetOrg = 'ORG-NAME';
query = document.querySelectorAll('.js-subscription-row')
rows = Array.prototype.slice.apply(query)
rows.forEach(function (el) {
const org = el.querySelector('a[href^="/' + org + '"]')
if (org) el.querySelector('button').click()
})
Only visible repos would become unwatched.
After the page refresh run the code above
(remove a line starting with let ...
as variables are already declared)
once again to purge more subscriptions from the organization.
Based on the SO recipe