code: function(items) {
              items = $.makeArray(items);
  
              var itemsChanged = false,
                  selectionChanged = false;
  
              for (var i = 0; i < items.length; i++) {
                  var item = items[i];
  
                  // Make sure we actually know about this item
                  var index = $.inArray(item, this.$items);
                  if (index !== -1) {
                      this._deinitItem(item);
                      this.$items.splice(index, 1);
                      itemsChanged = true;
  
                      var selectedIndex = $.inArray(item, this.$selectedItems);
                      if (selectedIndex !== -1) {
                          this.$selectedItems.splice(selectedIndex, 1);
                          selectionChanged = true;
                      }
                  }
              }
  
              if (itemsChanged) {
                  this.updateIndexes();
  
                  if (selectionChanged) {
                      $(items).removeClass(this.settings.selectedClass);
                      this.onSelectionChange();
                  }
              }
          }
docs: Remove Items