For more information about render nodes and connections, see About shading networks.

To delete a node connection

1. Click the connection line(s) you want to delete (marquee-select or Shift-click to select more than one).

   The lines are selected.

2. Press Backspace (Windows, and Linux) or Delete (Mac OS X) to delete the connections.

   The lines are deleted and the swatches in Hypershade update to show the changes.