Delete Bakups older than 1 day in SQL Server

--Delete Bakups older than 1 day in SQL Server

DECLARE @DeleteDate datetime

 SET @DeleteDate = DateAdd(day, -1, GetDate()) 

  EXECUTE master.sys.xp_delete_file 0, -- FileTypeSelected (0 = FileBackup, 1 = FileReport)

   N'C:\Backup\msdb', -- folder path (trailing slash)

    N'bak', -- file extension which needs to be deleted (no dot)

     @DeleteDate, -- date prior which to delete 

     1 -- subfolder flag (1 = include files in first subfolder level, 0 = not)