If a context variable is no longer relevant to your business process, remove the variable from your project using the Business Process Editor.
You can also remove context variables from the Business Process Context Browser. See Browsing Context Variables.
To remove a context variable:
In the Business Process
Editor, right-click and select Define Context from the shortcut menu.
The Context Variable List dialog box opens.
Select the variable
in the list, and click Remove.
A confirmation message appears.
Click OK to confirm that you want to remove the context variable from your project.
Click OK to return to the Business Process Editor.