Deleting Aliases
You can delete an alias from the following locations:
• From the Actions list on the alias information page
• From the Expression Aliases table on the Expression Aliases tab accessible from the option pool page:
◦ By right-clicking an alias and selecting Delete
◦ By selecting an alias and clicking 
on the table toolbar
on the table toolbar◦ By selecting Delete from the Actions list on the table toolbar
Deleting an alias deletes all its revisions.
 | You cannot delete an alias if the alias is used in the logical expressions of other objects (for example, in an advanced expressions or a conditional rule). |