private void removeItemFromTree(DItemElement itemElement, DClassElement classElement) {
    DynamicToolWindowWrapper wrapper = DynamicToolWindowWrapper.getInstance(myProject);
    ListTreeTableModelOnColumns model = wrapper.getTreeTableModel();
    Object classNode = TreeUtil.findNodeWithObject(classElement, model, model.getRoot());
    final DefaultMutableTreeNode node = (DefaultMutableTreeNode) TreeUtil.findNodeWithObject(itemElement, model, classNode);
    if (node == null) return;
    DefaultMutableTreeNode parent = (DefaultMutableTreeNode) node.getParent();

    doRemove(wrapper, node, parent);
  }
private void removeItemFromTree(DItemElement itemElement, DClassElement classElement)