pre_site_transient_update_core

// hide update notifications 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’); //hide updates for WordPress itself add_filter(‘pre_site_transient_update_plugins’,’remove_core_updates’); //hide updates for all plugins add_filter(‘pre_site_transient_update_themes’,’remove_core_updates’); //hide updates for all themes Reference: https://thomas.vanhoutte.be/miniblog/wordpress-hide-update/