code: function(name) {
  			if (!_.isArray(name))
  				name = [name];
  			
  			_.each(name, function(key) {
  				if (key in preferences)
  					delete preferences[key];
  				
  				if (key in defaults)
  					delete defaults[key];
  			});
  		}
docs: Completely removes specified preference(s)
  @param {String} name Preference name (or array of names)