How to delete my allocation from expense

Hi,

There is an option of creating allocation in oracle expense report by enabling profile option. User has created many allocation with different names and wants to delete some. I tried but system only shows me the option of creating allocation and not deleting. In one of the metalink note, it says click on preference and on left hand side, you can see manage my allocation. But its not showing for me, when I click on preference. Has any one had deleted allocation being created by an user.

Cesar.