Ovulation tests

Okay so I just finished my last clomid pill on Saturday so I started taking OPK tests yesterday, which I am not expecting to ovulate this early, but should I be worried that the first test I took (on the top) on Sunday has more of a faint line than the one I took today? (Bottom picture). It seems like there was a faint line Sunday & today there was no line. I know neither one is a positive test but is it bad that the newer one doesn’t even show a lighter line? You may have to zoom in.