To Delete or Remove certain Route which has been build, follow the steps

1. Tap on the Plugin Name (on your left-hand side).

2. Click on option Floor Route

3. Click button and the other 2 buttons (Connect Selected & Delete Selected) will activated.

4. Pick the route you wish to delete by clicking on the "node". Please note that any line that is connected to this node will be Deleted.

5. Click and the route will be removed as below.

4. Click on button to save changes.