Removing unused databases

Here is my work-sheet for safely hiding databases from SSMS that I suspect are unused

-- DetachDB.sql

-- 1. List all attached databases with file paths

	SELECT db_name(database_id) [Database], Physical_Name
	FROM sys.master_files
	order by [Database]

-- 2. Create Attach Script for chosen db (accumulate history here)

	USE [master]; -- on some servername
	CREATE DATABASE xxx ON
	(FILENAME = 'D:\SQLData\xxx.mdf'),
	(FILENAME = 'D:\SQLLogs\xxx.ldf')
	FOR ATTACH;

	USE [master]; -- on some servername
	CREATE DATABASE Test ON
	(FILENAME = 'D:\SQLData\Test.mdf'),
	(FILENAME = 'D:\SQLLogs\Test_log.ldf')
	FOR ATTACH;

-- 3. Detatch Database

	USE [master];
	EXEC MASTER.dbo.sp_detach_db @dbname = N'xxx';

-- 4. To rollback, re-attach database (scripted in step-2)