How to remove prompt to boot 2 OS?

Question

Windows

But the laptop was 7, rearranged to 10, formatted the disks.
But when loading, it offers a choice of which system to boot.
How to delete an invitation to a system that is not on the hard drive?

Answer 1

If you like to use the mouse on the screen to crawl-
If you like to poke your fingers into the keys -
bcdedit

Answer 2

Just format that little partition when you install windows...