You can delete a property chain using the shortcut menus Remove subproperty chain.
To delete a property chain
Right-click a target property or a property chain in the diagram pane.
Using the Remove subproperty chain shortcut menu to delete a property chain.
Select Concept Modeling > Remove subproperty chain for the shortcut menu. The Concept Modeler will delete all of the properties in the selected property chain.
Tip
Alternatively, you can select Concept Modeling > Edit subproperty chain and delete the property chain by clicking its tagged value > in the Specification window of the property.