Deleting Electrical Route Lines
When you delete a route from a diagram view, its reference and the associated connections are also deleted from the tree.
In the case of a route with sheet connectors, deleting one sheet connector deletes the other one.
If you delete one end of a connected net or net group, all the routes are deleted.
If a pipe has its extremities connected to pipes, deleting this pipe disconnect it from the other pipes it was connected to.