No, simply add a new layout, rename it to whatever you fancy (ie Objects) I always add an event sheet to it with just: On start of layout go to menu.
This to circumvent accidental loading of the objects layout
You do not load or use the Objects layout.
You only use it in the editor in construct 2, to update variables or behaviors etc
When you start a game layout and require an object on it from the objects layout, you can just use create object or spawn object on the desired layout.
Having all your objects on dedicated layout keeps it nice and tidy. And will remove the need to "on start of layout destroy meh"