Atra du evarinya ono varda.
I haven't exactly used any Pokemon that have become a hindrance for my team, but if I had to choose, it would have to be grass-types. I've used grass-types such as Bellsprout in GSC before and in time found them to be quite not what I had in mind for a good team. Since I focus more on all-out powerful, fast, offensive Pokemon and grass-types aren't what you'd call offensive - they play more of supporter roles, they did little to help me. This is what I think.