Configuring Database Mail In SQL Server 2005

Hi

I have created profiles in my database as mentioned below. now i want to delete the profile created in database.
can some one tell me how to proceed furthur.

i need to delete them permenantly.
EXECUTE msdb.dbo.sysmail_add_account_sp
@account_name = 'MyMailAccount',
@description = 'Mail account for Database Mail',
@email_address = 'makclaire@optonline.net',
@display_name = 'MyAccount',
@username='makclaire@optonline.net',
@password='abc123',
@mailserver_name = 'mail.optonline.net'
-----------------------------------------------------
EXECUTE msdb.dbo.sysmail_add_profile_sp
@profile_name = 'MyMailProfile',
@description = 'Profile used for database mail'
--------------------------------------------------------EXECUTE msdb.dbo.sysmail_add_profileaccount_sp
@profile_name = 'MyMailProfile',
@account_name = 'MyMailAccount',
@sequence_number = 1

-------------------------------------------------------EXECUTE msdb.dbo.sysmail_add_principalprofile_sp
@profile_name = 'MyMailProfile',
@principal_name = 'public',
@is_default = 1 ; Regardskrishna