He denied her privileges; he strove to deconsecrate her sanctuary.    From Wordnik.com.  [Gathering Clouds: A Tale of the Days of St. Chrysostom] Reference

That the whole of the area which the temple of Jupiter was to occupy might be wholly devoted to that deity, he decided to deconsecrate the fanes and chapels, some of which had been originally vowed by King Tatius at the crisis of his battle with Romulus, and subsequently consecrated and inaugurated.    From Wordnik.com.  [The History of Rome, Vol. I] Reference

Doug, "deconsecrate" is not a new word.    From Wordnik.com.  [Stand Firm] Reference

A construction hard hat and a raincoat to hurriedly deconsecrate a historic Anglican chapel, which had suffered irreparable damage.    From Wordnik.com.  [FOXNews.com] Reference