Definition of "unprotect"

unprotect

verb
third-person singular simple present unprotects, present participle unprotecting, simple past and past participle unprotected
1. (computing, transitive) To remove protection from.
  Quotations
  Caution: When you successfully open a protected file, you’ve just unprotected it. After working with that document and closing it again, you must re-protect it if you still consider it confidential.
  2000, David Pogue, “Icon Management”, in Mac OS 9: The Missing Manual, Sebastopol, Calif.: Pogue Press/O’Reilly & Associates, Inc., published 2002, page 50