User blog comment:MisterWoodhouse/This Month at Fandom - October 2019/@comment-36159587-20191103214610/@comment-39117959-20191103232156

Yes, they will remove the Message Walls becuase it's old code but they will have a replacement in place on the UCP (Unified Community Platform). They will be transitioning your Message Wall content to the replacement according to MisterWoodhouse.