How to remove the default WordPress posts from the dashboard

<?php
// Remove posts from dashboard menu
add_action('admin_menu', 'remove_default_post_type');

function remove_default_post_type() {
    remove_menu_page('edit.php');
}

// Remove "+New post" in top Admin Menu Bar
add_action('admin_bar_menu', 'remove_default_post_type_menu_bar', 999);

function remove_default_post_type_menu_bar($wp_admin_bar) {
    $wp_admin_bar->remove_node('new-post');
}

// Remove Quick Draft Dashboard Widget
add_action('wp_dashboard_setup', 'remove_draft_widget', 999);

function remove_draft_widget() {
    remove_meta_box('dashboard_quick_press', 'dashboard', 'side');
}