Tips on Customizing Team Member Showcase

How to Hide Team Member Showcase Admin Menus

function plt_hide_team_member_showcase_menus() {
	//Hide the "Team Member" menu.
	remove_menu_page('edit.php?post_type=rd_team_member');
	//Hide the "Team Member → Team Member" menu.
	remove_submenu_page('edit.php?post_type=rd_team_member', 'edit.php?post_type=rd_team_member');
	//Hide the "Team Member → Add New Post" menu.
	remove_submenu_page('edit.php?post_type=rd_team_member', 'post-new.php?post_type=rd_team_member');
}

add_action('admin_menu', 'plt_hide_team_member_showcase_menus', 15);

Where do I put this code?

How to Hide the "Team Member Showcase" Meta Box

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

	//Hide the "Team Member Showcase" meta box.
	remove_meta_box('_custom_page_options', $screen->id, 'normal');
}

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