Removing multiple items

Let's say we want to remove just the first 3 actions here:

Start by right-clicking on the first item and choose this option:

Now the first item and all following items are selected in yellow:

We want just the first 3 actions, however. So right click on the 4th item and choose this option:

Now we have just the first 3 actions selected:

Finally, right click on the editor background and choose the remove option: