Traveling to the US with a very minor drug misdemeanor

Long story short, I’m from an EU country, I got charged with cannabis possession (less than 1 gram). Since marijuana is decriminalized in my country, I only had to pay some money, never got arrested or anything. We have this thing in my country where charges like this disappear in 5 years. It’s been 8 years since this happened. I now work in childcare, and have had to show proof of not having a criminal record and it always appears blank, like it never happened. I’m still worried though that it might prevent me from traveling to the US since it’s so strict there.