Do you need to amend your answer in a civil suit because the plaintiff amended his petition removing one defendant in Texas?

Yes, you may need to amend your answer in a civil suit in Texas if the plaintiff has amended their petition to remove one defendant. This is because the claims being asserted against you may have changed, and it is important to update your response to reflect the current status of the case. It is advisable to consult with a lawyer to determine the best course of action.