Removing a block or wire
You can remove each block or wire that is currently shown on the canvas. When you remove a block, all wires that are attached to this block are automatically removed.
To remove a block or wire
On the canvas of the model editor, click the block or wire that you want to remove and press Del. In the case of a block, you can alternatively click the Remove command which is shown at the bottom of the block parameter editor.
Or to remove several blocks and/or wires at the same time, select them as described in
Selecting blocks and wires and then press Del.