Unable to keep static URL search, matches searchbar/omnibar selection

I don’t know what precisely happened, or if I did something, but in previous usage, my URL bar always performed a straight-up google search, and i had a separate searchbar which could go to any of the various search engines I used. Upon loading it up today, I find that whatever i select in the searchbar is also what is searched if i type in the URL bar. Which is annoying, as I have those separate for a reason. I understand this is similar to how the omnibar functionality works, but that is disabled. And keyword.url has the google search site set on it, so, i don’t know how to fix this. Please help, it’s driving me batty.