diff --git a/desktop/plugins/public/ui-debugger/components/Tree.tsx b/desktop/plugins/public/ui-debugger/components/Tree.tsx
deleted file mode 100644
index c02292cb6..000000000
--- a/desktop/plugins/public/ui-debugger/components/Tree.tsx
+++ /dev/null
@@ -1,306 +0,0 @@
-/**
- * Copyright (c) Meta Platforms, Inc. and affiliates.
- *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
- *
- * @format
- */
-
-import {Id, UINode} from '../types';
-import React, {useEffect, useMemo, useRef} from 'react';
-import {
-  Tree as ComplexTree,
-  ControlledTreeEnvironment,
-  TreeItem,
-  TreeInformation,
-  TreeItemRenderContext,
-  InteractionMode,
-  TreeEnvironmentRef,
-} from 'react-complex-tree';
-
-import {plugin} from '../index';
-import {
-  usePlugin,
-  useValue,
-  HighlightManager,
-  HighlightProvider,
-  useHighlighter,
-  theme,
-  styled,
-} from 'flipper-plugin';
-
-import {head} from 'lodash';
-import {Dropdown, Menu} from 'antd';
-import {UIDebuggerMenuItem} from './util/UIDebuggerMenuItem';
-
-export function Tree(props: {
-  rootId: Id;
-  nodes: Map<Id, UINode>;
-  selectedNode?: Id;
-  onSelectNode: (id: Id) => void;
-}) {
-  const instance = usePlugin(plugin);
-  const expandedItems = useValue(instance.uiState.expandedNodes);
-  const focused = useValue(instance.uiState.focusedNode);
-
-  const items = useMemo(
-    () => toComplexTree(focused || props.rootId, props.nodes),
-    [focused, props.nodes, props.rootId],
-  );
-  const hoveredNodes = useValue(instance.uiState.hoveredNodes);
-  const treeEnvRef = useRef<TreeEnvironmentRef>();
-
-  const searchTerm = useValue(instance.uiState.searchTerm);
-
-  useEffect(() => {
-    //this makes the keyboard arrow  controls work always, even when using the visualiser
-    treeEnvRef.current?.focusTree('tree', true);
-  }, [props.selectedNode]);
-
-  return (
-    <div
-      onMouseLeave={() => {
-        instance.uiState.hoveredNodes.set([]);
-      }}
-      style={
-        {
-          '--rct-color-tree-bg': theme.white,
-          '--rct-color-tree-focus-outline': theme.dividerColor,
-          '--rct-color-focustree-item-focused-border':
-            theme.selectionBackgroundColor,
-          '--rct-color-focustree-item-selected-bg':
-            theme.selectionBackgroundColor,
-          '--rct-color-nonfocustree-item-selected-bg':
-            theme.selectionBackgroundColor,
-        } as React.CSSProperties
-      }>
-      <HighlightProvider
-        text={searchTerm}
-        highlightColor={theme.searchHighlightBackground.yellow}>
-        <ControlledTreeEnvironment
-          ref={treeEnvRef as any}
-          items={items}
-          getItemTitle={(item) => item.data.name}
-          canRename={false}
-          canDragAndDrop={false}
-          viewState={{
-            tree: {
-              focusedItem: head(hoveredNodes),
-              expandedItems: [...expandedItems],
-              selectedItems: props.selectedNode ? [props.selectedNode] : [],
-            },
-          }}
-          onFocusItem={(item) => {
-            instance.uiState.hoveredNodes.set([item.index]);
-          }}
-          onExpandItem={(item) => {
-            instance.uiState.expandedNodes.update((draft) => {
-              draft.add(item.index);
-            });
-          }}
-          onCollapseItem={(item) =>
-            instance.uiState.expandedNodes.update((draft) => {
-              draft.delete(item.index);
-            })
-          }
-          renderItem={renderItem}
-          onSelectItems={(items) => props.onSelectNode(items[0])}
-          defaultInteractionMode={{
-            mode: 'custom',
-            extends: InteractionMode.DoubleClickItemToExpand,
-            createInteractiveElementProps: (
-              item,
-              treeId,
-              actions,
-              renderFlags,
-            ) => ({
-              onClick: () => {
-                if (renderFlags.isSelected) {
-                  actions.unselectItem();
-                } else {
-                  actions.selectItem();
-                }
-              },
-
-              onMouseOver: () => {
-                if (!instance.uiState.isContextMenuOpen.get()) {
-                  instance.uiState.hoveredNodes.set([item.index]);
-                }
-              },
-            }),
-          }}>
-          <ComplexTree
-            treeId="tree"
-            rootItem={FakeNode.id as any} //the typing in in the library is wrong here
-            treeLabel="UI"
-          />
-        </ControlledTreeEnvironment>
-      </HighlightProvider>
-    </div>
-  );
-}
-
-//copied from https://github.com/lukasbach/react-complex-tree/blob/e3dcc435933284376a0fc6e3cc651e67ead678b5/packages/core/src/renderers/createDefaultRenderers.tsx
-const cx = (...classNames: Array<string | undefined | false>) =>
-  classNames.filter((cn) => !!cn).join(' ');
-const renderDepthOffset = 5;
-
-const DecorationImage = styled.img({
-  height: 12,
-  marginRight: 5,
-  width: 12,
-});
-function defaultIcon(node: UINode) {
-  if (node.tags.includes('Litho')) {
-    return <DecorationImage src="icons/litho-logo.png" />;
-  }
-}
-
-function renderItem<C extends string = never>({
-  item,
-  depth,
-  children,
-  arrow,
-  context,
-}: {
-  item: TreeItem<UINode>;
-  depth: number;
-  children: React.ReactNode | null;
-  title: React.ReactNode;
-  arrow: React.ReactNode;
-  context: TreeItemRenderContext<C>;
-  info: TreeInformation;
-}) {
-  return (
-    <li
-      {...(context.itemContainerWithChildrenProps as any)}
-      className={cx(
-        'rct-tree-item-li',
-        item.hasChildren && 'rct-tree-item-li-hasChildren',
-        context.isSelected && 'rct-tree-item-li-selected',
-        context.isExpanded && 'rct-tree-item-li-expanded',
-        context.isFocused && 'rct-tree-item-li-focused',
-        context.isDraggingOver && 'rct-tree-item-li-dragging-over',
-        context.isSearchMatching && 'rct-tree-item-li-search-match',
-      )}>
-      <ContextMenu node={item.data} id={item.index} title={item.data.name}>
-        <div
-          {...(context.itemContainerWithoutChildrenProps as any)}
-          style={{
-            paddingLeft: `${(depth + 1) * renderDepthOffset}px`,
-          }}
-          className={cx(
-            'rct-tree-item-title-container',
-            item.hasChildren && 'rct-tree-item-title-container-hasChildren',
-            context.isSelected && 'rct-tree-item-title-container-selected',
-            context.isExpanded && 'rct-tree-item-title-container-expanded',
-            context.isFocused && 'rct-tree-item-title-container-focused',
-            context.isDraggingOver &&
-              'rct-tree-item-title-container-dragging-over',
-            context.isSearchMatching &&
-              'rct-tree-item-title-container-search-match',
-          )}>
-          {arrow}
-          <div
-            {...(context.interactiveElementProps as any)}
-            className={cx(
-              'rct-tree-item-button',
-              item.hasChildren && 'rct-tree-item-button-hasChildren',
-              context.isSelected && 'rct-tree-item-button-selected',
-              context.isExpanded && 'rct-tree-item-button-expanded',
-              context.isFocused && 'rct-tree-item-button-focused',
-              context.isDraggingOver && 'rct-tree-item-button-dragging-over',
-              context.isSearchMatching && 'rct-tree-item-button-search-match',
-            )}>
-            {defaultIcon(item.data)}
-            <HighlightedText text={item.data.name} />
-          </div>
-        </div>
-      </ContextMenu>
-
-      {children}
-    </li>
-  );
-}
-
-type ContextMenuProps = {node: UINode; id: Id; title: string};
-
-const ContextMenu: React.FC<ContextMenuProps> = ({id, title, children}) => {
-  const instance = usePlugin(plugin);
-  const focusedNode = instance.uiState.focusedNode.get();
-
-  return (
-    <Dropdown
-      onVisibleChange={(visible) => {
-        instance.uiState.isContextMenuOpen.set(visible);
-      }}
-      overlay={() => (
-        <Menu>
-          {focusedNode !== head(instance.uiState.hoveredNodes.get()) && (
-            <UIDebuggerMenuItem
-              key="focus"
-              text={`Focus ${title}`}
-              onClick={() => {
-                instance.uiState.focusedNode.set(id);
-              }}
-            />
-          )}
-
-          {focusedNode && (
-            <UIDebuggerMenuItem
-              key="remove-focus"
-              text="Remove focus"
-              onClick={() => {
-                instance.uiState.focusedNode.set(undefined);
-              }}
-            />
-          )}
-        </Menu>
-      )}
-      trigger={['contextMenu']}>
-      <div>{children}</div>
-    </Dropdown>
-  );
-};
-
-function HighlightedText(props: {text: string}) {
-  const highlightManager: HighlightManager = useHighlighter();
-  return <span>{highlightManager.render(props.text)}</span>;
-}
-
-const FakeNode: UINode = {
-  id: 'Fakeroot',
-  qualifiedName: 'Fakeroot',
-  name: 'Fakeroot',
-  inlineAttributes: {},
-  children: [],
-  attributes: {},
-  bounds: {x: 0, y: 0, height: 0, width: 0},
-  tags: [],
-};
-
-function toComplexTree(
-  root: Id,
-  nodes: Map<Id, UINode>,
-): Record<Id, TreeItem<UINode>> {
-  const res: Record<Id, TreeItem<UINode>> = {};
-  for (const node of nodes.values()) {
-    res[node.id] = {
-      index: node.id,
-      children: node.children,
-      data: node,
-      hasChildren: node.children.length > 0,
-    };
-  }
-
-  //the library doesnt render the root node so we insert a fake one which will never be rendered
-  //https://github.com/lukasbach/react-complex-tree/issues/42
-  res[FakeNode.id] = {
-    index: FakeNode.id,
-    children: [root],
-    hasChildren: true,
-    data: FakeNode,
-  };
-  return res;
-}
diff --git a/desktop/plugins/public/ui-debugger/components/main.tsx b/desktop/plugins/public/ui-debugger/components/main.tsx
index 05c8512e6..d072746d0 100644
--- a/desktop/plugins/public/ui-debugger/components/main.tsx
+++ b/desktop/plugins/public/ui-debugger/components/main.tsx
@@ -13,12 +13,11 @@ import {DetailSidebar, Layout, usePlugin, useValue} from 'flipper-plugin';
 import {useHotkeys} from 'react-hotkeys-hook';
 import {Id, Metadata, MetadataId, UINode} from '../types';
 import {PerfStats} from './PerfStats';
-import {Tree} from './Tree';
 import {Visualization2D} from './Visualization2D';
 import {useKeyboardModifiers} from '../hooks/useKeyboardModifiers';
 import {Inspector} from './sidebar/Inspector';
 import {Controls} from './Controls';
-import {Input, Spin} from 'antd';
+import {Spin} from 'antd';
 import FeedbackRequest from './fb-stubs/feedback';
 import {Tree2} from './Tree2';
 
diff --git a/desktop/plugins/public/ui-debugger/index.tsx b/desktop/plugins/public/ui-debugger/index.tsx
index fc7be0d32..3598d1e08 100644
--- a/desktop/plugins/public/ui-debugger/index.tsx
+++ b/desktop/plugins/public/ui-debugger/index.tsx
@@ -23,7 +23,6 @@ import {
   Snapshot,
   UINode,
 } from './types';
-import './node_modules/react-complex-tree/lib/style.css';
 import {Draft} from 'immer';
 
 type SnapshotInfo = {nodeId: Id; base64Image: Snapshot};
diff --git a/desktop/plugins/public/ui-debugger/package.json b/desktop/plugins/public/ui-debugger/package.json
index f49560a1c..42af7acea 100644
--- a/desktop/plugins/public/ui-debugger/package.json
+++ b/desktop/plugins/public/ui-debugger/package.json
@@ -15,7 +15,6 @@
   "dependencies": {
     "lodash": "^4.17.21",
     "react-color": "^2.19.3",
-    "react-complex-tree" : "^1.1.11",
     "react-hotkeys-hook": "^3.4.7"
   },
   "bugs": {
diff --git a/desktop/plugins/public/ui-debugger/types.tsx b/desktop/plugins/public/ui-debugger/types.tsx
index 37f916fbf..3dd076e5c 100644
--- a/desktop/plugins/public/ui-debugger/types.tsx
+++ b/desktop/plugins/public/ui-debugger/types.tsx
@@ -7,8 +7,6 @@
  * @format
  */
 
-import {TreeItemIndex} from 'react-complex-tree';
-
 export type Events = {
   init: InitEvent;
   subtreeUpdate: SubtreeUpdateEvent;
@@ -121,7 +119,7 @@ export type Color = {
 };
 
 export type Snapshot = string;
-export type Id = number | TreeItemIndex;
+export type Id = number;
 
 export type MetadataId = number;
 export type TreeState = {expandedNodes: Id[]};
diff --git a/desktop/plugins/public/yarn.lock b/desktop/plugins/public/yarn.lock
index 9d8cf2472..573cd4398 100644
--- a/desktop/plugins/public/yarn.lock
+++ b/desktop/plugins/public/yarn.lock
@@ -1644,11 +1644,6 @@ react-color@^2.19.3:
     reactcss "^1.2.0"
     tinycolor2 "^1.4.1"
 
-react-complex-tree@^1.1.11:
-  version "1.1.11"
-  resolved "https://registry.yarnpkg.com/react-complex-tree/-/react-complex-tree-1.1.11.tgz#430520d12908b033a4b278be0dfd8d0aa6654a85"
-  integrity sha512-hAkm2ZRH2lwZd7NEzZMQI8db/jI5T2fJsbwHX8oNPrG/WPdakc3eNpm2A4gLk2SBa88HeU6mnauVXg6Q6fJLow==
-
 react-devtools-core@^4.26.1:
   version "4.26.1"
   resolved "https://registry.yarnpkg.com/react-devtools-core/-/react-devtools-core-4.26.1.tgz#2893fea58089be64c5356d5bd0eebda8d1bbf317"