Tips on Customizing EventsFrame Connector

How to Hide EventsFrame Connector Admin Menus

function plt_hide_eventsframe_connector_menus() {
	//Hide "Settings → EventsFrame".
	remove_submenu_page('options-general.php', 'efrm_settings');

	//Hide "EventsFrame".
	remove_menu_page('edit.php?post_type=eventsframe');
	//Hide "EventsFrame → All Events".
	remove_submenu_page('edit.php?post_type=eventsframe', 'edit.php?post_type=eventsframe');
	//Hide "EventsFrame → Add New Event Page".
	remove_submenu_page('edit.php?post_type=eventsframe', 'post-new.php?post_type=eventsframe');
}

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

Where do I put this code?

How to Hide the "EventsFrame" Meta Box

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

	//Hide the "EventsFrame" meta box.
	remove_meta_box('efrm-event-id', $screen->id, 'normal');
}

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