Ebf and not loosing weight

SIH
I gained about 25 pounds in pregnancy. Lost 10 right away. I'm EBF and eating super healthy because I'm on a no dairy no soy diet, which means no processed foods. And I've been exercising everyday. Not like before I was pregnant, but at least 30 min of walking each day. I haven't lost one pound! And I don't understand it's so frustrating. I just want to be able to wear my non-maternity clothing again!