In UML diagrams, you can delete parameters from operations.
You must have a diagram open in the diagram editor,
and the classifiers operations list compartment must be visible. Ensure
that you have not set preferences to filter or hide operations.
To see the parameters that you want to delete from an operation
in a classifier, you must modify the classifier’s properties to
show operation signatures.
To delete a parameter from an operation:
- In the diagram editor, click an operation to select
it and click the selection to edit it.
- Select a parameter to delete and press Delete.
- Optional: To delete the operation’s return
type, select the colon and return type that follows the operation’s parentheses
and press Delete.
Tip: You can also delete parameters in the Model
Explorer view.