Removing an element that is unselectable

I have an input element in my header section that doesn’t show in the editor when nothing is hidden and even when I turn on the spotlight. I believe it is causing my login on my mobile friendly site to have problems. Double clicking it in the layers toolbar selects nothing. How can I get rid of it?

So I found that if I double click om the phantom element in the layers toolbar and take a leap of faith and press delete, it goes away.