unfile

From un- +‎ file.

unfile (third-person singular simple present unfiles, present participle unfiling, simple past and past participle unfiled)

1. (transitive) To remove from a file or record.
2. to cancel (a formal request)

   unfile a complaint

• “unfile”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.

• unlife