Kan. Stat. Ann. § 58-215
The voluntary delivery to the owner or claimant of any personal property by any person claiming a lien thereon, as provided in this act, shall be held to be an abandonment of such lien, and such lien may also be waived by special contract.
G.S. 1868, ch. 58, § 10; L. 1872, ch. 142, § 10; March 21; R.S. 1923, 58-215.