Okla. Stat. tit. 11 § 42-107
Any decree or written instrument vacating a plat or portion thereof shall be filed and recorded in the office of the county clerk in the county where the land is situated and shall include a metes and bounds legal description of the area being vacated and a separate metes and bounds legal description of the area, if any, remaining platted. The clerk shall write in plain, legible letters across that part of the plat so vacated the word "Vacated". The county clerk shall provide a copy of the metes and bounds legal description of the property being vacated as furnished by the petitioner to the county assessor. The clerk shall also note on the original plat a reference to the decree or instrument and the volume and page where recorded.
Okla. Stat. tit. 11, § 42-107