Tips on Customizing Church Admin

How to Hide Church Admin Admin Menus

function plt_hide_church_admin_menus() {
	//Hide "Church Admin".
	remove_menu_page('church_admin/index.php');

	//Hide "Prayer Requests".
	remove_menu_page('edit.php?post_type=prayer-requests');
	//Hide "Prayer Requests → All Prayer Requests".
	remove_submenu_page('edit.php?post_type=prayer-requests', 'edit.php?post_type=prayer-requests');
	//Hide "Prayer Requests → Add New".
	remove_submenu_page('edit.php?post_type=prayer-requests', 'post-new.php?post_type=prayer-requests');

	//Hide "Bible Readings".
	remove_menu_page('edit.php?post_type=bible-readings');
	//Hide "Bible Readings → All Bible Readings".
	remove_submenu_page('edit.php?post_type=bible-readings', 'edit.php?post_type=bible-readings');
	//Hide "Bible Readings → Add New".
	remove_submenu_page('edit.php?post_type=bible-readings', 'post-new.php?post_type=bible-readings');
}

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

Where do I put this code?

How to Hide Church Admin Meta Boxes

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

	//Hide the "Church Admin Post Settings" meta box.
	remove_meta_box('church_admin_no_push', $screen->id, 'advanced');
	//Hide the "Scripture" meta box.
	remove_meta_box('ca_brp_meta', $screen->id, 'normal');
}

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