Delete Action in Custom Action

Hi, I want to delete some part of a condition in a big Custom Action, I have to move the custom action to the right to see all the conditions but when i want to delete some action in the last one i cannot see the whole action, neither move more to the right:

I know that i can move the if condition to the left, delete that part of the action and move it right again but it’s not an optimal solution. Maybe allow us to move the page more to the right in order to see the whole custom action box.