Tips on Customizing Button

How to Hide Button Admin Menus

function plt_hide_button_menus() {
	//Hide the "Button" menu.
	remove_menu_page('edit.php?post_type=wd_button');
	//Hide the "Button → All Buttons" menu.
	remove_submenu_page('edit.php?post_type=wd_button', 'edit.php?post_type=wd_button');
	//Hide the "Button → Add New Button" menu.
	remove_submenu_page('edit.php?post_type=wd_button', 'post-new.php?post_type=wd_button');
}

add_action('admin_menu', 'plt_hide_button_menus', 15);

Where do I put this code?

How to Hide Button Meta Boxes

function plt_hide_button_metaboxes() {
	$screen = get_current_screen();
	if ( !$screen ) {
		return;
	}

	//Hide the "Button Layouts" meta box.
	remove_meta_box('button_layout', $screen->id, 'normal');
	//Hide the "Button Settings" meta box.
	remove_meta_box('button_setting', $screen->id, 'normal');
	//Hide the "Shortcode" meta box.
	remove_meta_box('button_shortcode', $screen->id, 'side');
	//Hide the "PHP Code" meta box.
	remove_meta_box('button_phpcode', $screen->id, 'side');
	//Hide the "Feedback" meta box.
	remove_meta_box('button_feedback', $screen->id, 'side');
}

add_action('add_meta_boxes', 'plt_hide_button_metaboxes', 20);