I'm not sure it's a flat out "no". First, it depends on how severe your case is, if the problem is mostly fat, mostly gland or a combination of both. Then, you need to rule out any problems with your hormones. Having your hormones checked is a good idea.
Beyond that there appear to be a couple of drugs and at least one supplement that folks have used to treat their gynecomastia. From the photos I've seen the improvement has been modest, but it could be better for some than others and might also be enough to get you comfortable. Do your homework.