If you want to disconnect nodes from a network in Houdini, you can right click on a wire and use the options in the context menu. This method is the slow way. You can also shake the node off. While shaking is handy and kind of fun to do, there is a faster way to quickly disconnect network wires.
Quickly Disconnect Network Wires
All you have to do to cut off a bunch of nodes from the wires is hold down the Y character key and slash away. Try it. It’s very satisfying.