Tips on Customizing SEO Content Randomizer

How to Hide the "SEO Content Randomizer" Admin Menu

function plt_hide_seo_content_randomizer_menus() {
	//Hide the "SEO Content Randomizer" menu.
	remove_menu_page('issscr_settings');
}

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

Where do I put this code?

How to Hide the "SEO Content Randomizer" Meta Box

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

	//Hide the "SEO Content Randomizer" meta box.
	remove_meta_box('issscr_randomizer_page_toggler_panel', $screen->id, 'side');
}

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