Hide Wordpress Notificarions

functions.php

<?php

/* Hide Wordpress 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');     // For WordPress
add_filter('pre_site_transient_update_plugins','remove_core_updates');  // For all plugins
add_filter('pre_site_transient_update_themes','remove_core_updates');   // For all themes

?>