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Yes you should do this.
The trust is funded, but you do have an issue with the title being slightly improper. It is usually easier to deal with it now (when you don't have an escrow date looming over you, or you don't have heirs that are trying to dispose of property that is improperly recorded), than it would be to wait.
It is possible to simply leave the title to the properties in the way that it is, and hope that nothing comes of it, but given that you are talking about significant investments (title to real property), it is probably worth doing the corrective deeds.