Tips on Customizing WP Immo Manager

How to Hide WP Immo Manager Admin Menus

function plt_hide_wp_immo_manager_menus() {
	//Hide "Immobilien".
	remove_menu_page('edit.php?post_type=wpi_immobilie');
	//Hide "Immobilien → Alle Objekte".
	remove_submenu_page('edit.php?post_type=wpi_immobilie', 'edit.php?post_type=wpi_immobilie');
	//Hide "Immobilien → Neues Objekt hinzufügen".
	remove_submenu_page('edit.php?post_type=wpi_immobilie', 'post-new.php?post_type=wpi_immobilie');
	//Hide "Immobilien → Vermarktungsart".
	remove_submenu_page('edit.php?post_type=wpi_immobilie', 'edit-tags.php?taxonomy=vermarktungsart&post_type=wpi_immobilie');
	//Hide "Immobilien → Objekttyp".
	remove_submenu_page('edit.php?post_type=wpi_immobilie', 'edit-tags.php?taxonomy=objekttyp&post_type=wpi_immobilie');
	//Hide "Immobilien → Immobiliengruppen".
	remove_submenu_page('edit.php?post_type=wpi_immobilie', 'edit-tags.php?taxonomy=immobiliengruppe&post_type=wpi_immobilie');

	//Hide "WP Immo Manager".
	remove_menu_page('wpi_dashboard_page');
	//Hide "WP Immo Manager → Dashboard".
	remove_submenu_page('wpi_dashboard_page', 'wpi_dashboard_page');
	//Hide "WP Immo Manager → General".
	remove_submenu_page('wpi_dashboard_page', 'wpi_general_page');
	//Hide "WP Immo Manager → Post-Type".
	remove_submenu_page('wpi_dashboard_page', 'wpi_posttype_page');
	//Hide "WP Immo Manager → Single-View".
	remove_submenu_page('wpi_dashboard_page', 'wpi_single_page');
	//Hide "WP Immo Manager → List-View".
	remove_submenu_page('wpi_dashboard_page', 'wpi_list_page');
	//Hide "WP Immo Manager → Shortcodes".
	remove_submenu_page('wpi_dashboard_page', 'wpi_shortcodes_page');
	//Hide "WP Immo Manager → Features".
	remove_submenu_page('wpi_dashboard_page', 'wpi_features_page');
}

add_action('admin_menu', 'plt_hide_wp_immo_manager_menus', 11);

Where do I put this code?

How to Hide WP Immo Manager Meta Boxes

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

	//Hide the "Top Immobilie" meta box.
	remove_meta_box('topimmo', $screen->id, 'side');
	//Hide the "Verkauft" meta box.
	remove_meta_box('sold', $screen->id, 'side');
	//Hide the "Reserviert" meta box.
	remove_meta_box('reserved', $screen->id, 'side');
}

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

How to Hide the "Meine Immobilien" Dashboard Widget

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

	//Remove the "Meine Immobilien" widget.
	remove_meta_box('wpi_widget', 'dashboard', 'normal');
}

add_action('wp_dashboard_setup', 'plt_hide_wp_immo_manager_dashboard_widgets', 20);