But she had no romantic interest in me, that was clear.

Some people are looking for romantic interests, while others just want to find friends.

Among other things, there is no record of his having any romantic interests.

In this case there is a romantic interest for the person being "hit up".

She might have changed form, but had not forgotten her romantic interest.

The woman insisted that she had no romantic interest in the man.

Much less one in whom he had zero romantic interest.

He had no business loving someone little more than half his age, who'd never shown the least romantic interest in him.

She shows no romantic interest in the king, but agrees to let him visit her for a period of time each day.

Or have you suddenly taken a romantic interest in me?