Tips on Customizing Directory Listings WordPress plugin – uListing

How to Hide Directory Listings WordPress plugin - uListing Admin Menus

function plt_hide_ulisting_menus() {
	//Hide "Inventory Page".
	remove_menu_page('inventory-list');

	//Hide "Ulisting".
	remove_menu_page('settings-page');
	//Hide "Ulisting → Settings".
	remove_submenu_page('settings-page', 'settings-page');
	//Hide "Ulisting → Extensions".
	remove_submenu_page('settings-page', 'extensions-page');
	//Hide "Ulisting → Saved Searches".
	remove_submenu_page('settings-page', 'saved-searches-page');
	//Hide "Ulisting → Demo Import".
	remove_submenu_page('settings-page', 'demo-import-page');
	//Hide "Ulisting → Status".
	remove_submenu_page('settings-page', 'status-page');
	//Hide "Ulisting → Upgrade".
	remove_submenu_page('settings-page', 'ulisting-upgrade');

	//Hide "Listing Types".
	remove_menu_page('edit.php?post_type=listing_type');
	//Hide "Listing Types → Listing Types".
	remove_submenu_page('edit.php?post_type=listing_type', 'edit.php?post_type=listing_type');
	//Hide "Listing Types → Add New List".
	remove_submenu_page('edit.php?post_type=listing_type', 'post-new.php?post_type=listing_type');

	//Hide "Listings".
	remove_menu_page('edit.php?post_type=listing');
	//Hide "Listings → Listings".
	remove_submenu_page('edit.php?post_type=listing', 'edit.php?post_type=listing');
	//Hide "Listings → Add New List".
	remove_submenu_page('edit.php?post_type=listing', 'post-new.php?post_type=listing');
	//Hide "Listings → Categories".
	remove_submenu_page('edit.php?post_type=listing', 'edit-tags.php?taxonomy=listing-category&post_type=listing');
	//Hide "Listings → Regions".
	remove_submenu_page('edit.php?post_type=listing', 'edit-tags.php?taxonomy=listing-region&post_type=listing');

	//Hide "Custom Fields".
	remove_menu_page('listing_attribute');
	//Hide "Custom Fields → Custom Fields".
	remove_submenu_page('listing_attribute', 'listing_attribute');
	//Hide "Custom Fields →".
	remove_submenu_page('listing_attribute', 'listing_attribute_edit');

	//Hide "Pricing Plans".
	remove_menu_page('edit.php?post_type=stm_pricing_plans');
	//Hide "Pricing Plans → Pricing Plans".
	remove_submenu_page('edit.php?post_type=stm_pricing_plans', 'edit.php?post_type=stm_pricing_plans');
	//Hide "Pricing Plans → Add New Plan".
	remove_submenu_page('edit.php?post_type=stm_pricing_plans', 'post-new.php?post_type=stm_pricing_plans');
	//Hide "Pricing Plans → User Plans".
	remove_submenu_page('edit.php?post_type=stm_pricing_plans', 'stm_user_plans');
}

add_action('admin_menu', 'plt_hide_ulisting_menus', 26);

Where do I put this code?

How to Hide Directory Listings WordPress plugin - uListing Meta Boxes

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

	//Hide the "Listing manager" meta box.
	remove_meta_box('listing_edit', $screen->id, 'advanced');
	//Hide the "uListing" meta box.
	remove_meta_box('listing_type_edit', $screen->id, 'advanced');
	//Hide the "Pricing plans manager" meta box.
	remove_meta_box('stm_pricing_plans_edit', $screen->id, 'advanced');
}

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