Minn. Stat. § 485.15: LAND TITLE REGISTRATION DOCUMENTS, DISPOSAL.

Subdivision 1. Disposal.

The court administrator of district court in any county of this state is hereby authorized to destroy or otherwise dispose of the files, and all documents contained therein, in all cases which are more than ten years old, and which relate only to proceedings subsequent to original registration of land titles wherein there are no defendants.

Subd. 2. Maintenance of books and records.

Nothing herein contained shall relieve such court administrator of district court from maintaining the books and index records required under sections 485.07, 485.08, and 485.10, including the filing data, of any files, of which such disposal is made.