Tips on Customizing Post Slider and Post Carousel with Post Vertical Scrolling Widget – A Responsive Post Slider

How to Hide Post Slider and Carousel Admin Menus

function plt_hide_post_slider_and_carousel_menus() {
	//Hide "Post Slider and Carousel".
	remove_menu_page('psacp-layouts');
	//Hide "Post Slider and Carousel → All Layouts".
	remove_submenu_page('psacp-layouts', 'psacp-layouts');
	//Hide "Post Slider and Carousel → Add New Layout".
	remove_submenu_page('psacp-layouts', 'psacp-layout');
	//Hide "Post Slider and Carousel → Shortcode Builder".
	remove_submenu_page('psacp-layouts', 'psacp-shrt-builder');
	//Hide "Post Slider and Carousel → Style Manager".
	remove_submenu_page('psacp-layouts', 'psacp-styles');
	//Hide "Post Slider and Carousel → Settings".
	remove_submenu_page('psacp-layouts', 'psacp-settings');
	//Hide "Post Slider and Carousel → Contact Us".
	remove_submenu_page('psacp-layouts', 'psacp-layouts-contact');
	//Hide "Post Slider and Carousel → Support Forum".
	remove_submenu_page('psacp-layouts', 'psacp-layouts-wp-support-forum');
	//Hide "Post Slider and Carousel → Upgrade".
	remove_submenu_page('psacp-layouts', 'psacp-layouts-pricing');
}

add_action('admin_menu', 'plt_hide_post_slider_and_carousel_menus', 1000000000);

Where do I put this code?

How to Hide the "Post Slider and Carousel - Settings" Meta Box

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

	//Hide the "Post Slider and Carousel - Settings" meta box.
	remove_meta_box('psacp_post_sett', $screen->id, 'normal');
}

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