"It is a massive weight off my mind," he said. "Over the last 12 months there has been a lot of speculation about my future and it hasn't helped my football.
"So it is nice to sign a four-year deal with no caluses to make sure this situation doesn't happen again.
"Next season you will see a Steven Gerrard who has got a clear mind and who is focused on his football. I'll be a better player next season.
"Liverpool will get the best out of me because I feel ready to move into the prime years of my career.