• I’ve written a plugin to use an alternative authentication method (checks username and password against an external database) but people are still able to log in using their WordPress password. I have tried using the following in both the plugin file, and in my theme’s functions.php, but to no avail:

    remove_action('authenticate', 'wp_authenticate_username_password', 20);

    remove_filter('authenticate', 'wp_authenticate_username_password', 20);

    Does anyone know a reliable way to disable WordPress passwords?

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