Disable All Update Notifications with Code

function remove_core_updates(){
        global $wp_version;return(object) array('last_checked'=> time(),'version_checked'=> $wp_version,);
    }
    add_filter('pre_site_transient_update_core','remove_core_updates');
    add_filter('pre_site_transient_update_plugins','remove_core_updates');
    add_filter('pre_site_transient_update_themes','remove_core_updates');

Just like the plugin described at the beginning of this article, the code below will disable update notifications for the WordPress core, plugins, and themes.

Disable All Update Notifications with Code

function remove_core_updates(){
        global $wp_version;return(object) array('last_checked'=> time(),'version_checked'=> $wp_version,);
    }
    add_filter('pre_site_transient_update_core','remove_core_updates');
    add_filter('pre_site_transient_update_plugins','remove_core_updates');
    add_filter('pre_site_transient_update_themes','remove_core_updates');

Code will disable update notifications for the WordPress core, plugins, and themes.