diff --git a/packages/voici/src/main.ts b/packages/voici/src/main.ts
index aa7df3b..dbd8fc0 100644
--- a/packages/voici/src/main.ts
+++ b/packages/voici/src/main.ts
@@ -25,11 +25,6 @@ import plugins from './voiciplugins';
 
 const serverExtensions = [import('@jupyterlite/server-extension')];
 
-const disabled = [
-  '@jupyter-widgets/jupyterlab-manager:plugin',
-  '@jupyter-widgets/jupyterlab-manager:saveWidgetState',
-];
-
 /**
  * The main function
  */
@@ -45,6 +40,9 @@ async function main() {
     require('@jupyterlab/rendermime-extension'),
     require('@jupyterlab/theme-light-extension'),
     require('@jupyterlab/theme-dark-extension'),
+    require('@jupyter-widgets/jupyterlab-manager/lib/plugin').default.filter(
+      (p: any) => p.id !== '@jupyter-widgets/jupyterlab-manager:plugin'
+    ),
     themesManagerPlugin,
     plugins,
   ];
@@ -110,7 +108,7 @@ async function main() {
   );
   federatedExtensions.forEach((p) => {
     if (p.status === 'fulfilled') {
-      for (const plugin of activePlugins(p.value, disabled)) {
+      for (const plugin of activePlugins(p.value, [])) {
         mods.push(plugin);
       }
     } else {
@@ -124,7 +122,7 @@ async function main() {
   );
   federatedMimeExtensions.forEach((p) => {
     if (p.status === 'fulfilled') {
-      for (const plugin of activePlugins(p.value, disabled)) {
+      for (const plugin of activePlugins(p.value, [])) {
         mimeExtensions.push(plugin);
       }
     } else {
@@ -142,7 +140,7 @@ async function main() {
   const litePluginsToRegister: any[] = [];
   const baseServerExtensions = await Promise.all(serverExtensions);
   baseServerExtensions.forEach((p) => {
-    for (const plugin of activePlugins(p, disabled)) {
+    for (const plugin of activePlugins(p, [])) {
       litePluginsToRegister.push(plugin);
     }
   });
@@ -153,7 +151,7 @@ async function main() {
   );
   federatedLiteExtensions.forEach((p) => {
     if (p.status === 'fulfilled') {
-      for (const plugin of activePlugins(p.value, disabled)) {
+      for (const plugin of activePlugins(p.value, [])) {
         litePluginsToRegister.push(plugin);
       }
     } else {
diff --git a/packages/voici/src/tree.ts b/packages/voici/src/tree.ts
index 046f23e..3e7d60e 100644
--- a/packages/voici/src/tree.ts
+++ b/packages/voici/src/tree.ts
@@ -25,14 +25,6 @@ import { treeWidgetPlugin } from './plugins/tree';
 
 const serverExtensions = [import('@jupyterlite/server-extension')];
 
-export const TREE_DISABLED_EXTENSIONS = [
-  '@jupyter-widgets/jupyterlab-manager:plugin',
-  '@jupyter-widgets/jupyterlab-manager:saveWidgetState',
-  '@jupyter-widgets/jupyterlab-manager:base-2.0.0',
-  '@jupyter-widgets/jupyterlab-manager:controls-2.0.0',
-  '@jupyter-widgets/jupyterlab-manager:output-1.0.0',
-];
-
 /**
  * The main function
  */
@@ -99,7 +91,7 @@ async function main() {
   );
   federatedExtensions.forEach((p) => {
     if (p.status === 'fulfilled') {
-      for (const plugin of activePlugins(p.value, TREE_DISABLED_EXTENSIONS)) {
+      for (const plugin of activePlugins(p.value, [])) {
         mods.push(plugin);
       }
     } else {
@@ -113,7 +105,7 @@ async function main() {
   );
   federatedMimeExtensions.forEach((p) => {
     if (p.status === 'fulfilled') {
-      for (const plugin of activePlugins(p.value, TREE_DISABLED_EXTENSIONS)) {
+      for (const plugin of activePlugins(p.value, [])) {
         mimeExtensions.push(plugin);
       }
     } else {
@@ -131,7 +123,7 @@ async function main() {
   const litePluginsToRegister: any[] = [];
   const baseServerExtensions = await Promise.all(serverExtensions);
   baseServerExtensions.forEach((p) => {
-    for (const plugin of activePlugins(p, TREE_DISABLED_EXTENSIONS)) {
+    for (const plugin of activePlugins(p, [])) {
       litePluginsToRegister.push(plugin);
     }
   });
diff --git a/voici/addon.py b/voici/addon.py
index 3ff46bb..7754534 100644
--- a/voici/addon.py
+++ b/voici/addon.py
@@ -25,15 +25,6 @@
 
 from .tree_exporter import VoiciTreeExporter
 
-# Try to patch xeus-python's jupyter-widgets version st. we pull the right one
-try:
-    from jupyterlite_xeus_python.env_build_addon import XeusPythonEnv
-
-    if hasattr(XeusPythonEnv, "pin_packages"):
-        XeusPythonEnv.pin_packages = ["ipywidgets=8.0.6", "jupyterlab_widgets=3.0.7"]
-except ImportError:
-    pass
-
 
 class VoiciAddon(BaseAddon):
     """The Voici JupyterLite app"""
diff --git a/voici/tree_exporter.py b/voici/tree_exporter.py
index adaee8e..42464af 100644
--- a/voici/tree_exporter.py
+++ b/voici/tree_exporter.py
@@ -9,7 +9,7 @@
 from jupyter_server.utils import url_escape, url_path_join
 from nbconvert.exporters.html import HTMLExporter
 from voila.configuration import VoilaConfiguration
-from voila.utils import include_lab_theme
+from voila.utils import include_lab_theme, filter_extension
 
 from .exporter import VoiciExporter
 
@@ -75,6 +75,17 @@ def patch_page_config(
     page_config_copy[
         "fullMathjaxUrl"
     ] = f'{page_config_copy["baseUrl"]}{page_config_copy["fullMathjaxUrl"]}'
+
+    federated_extensions = page_config_copy["federated_extensions"]
+    disabled_extensions = [
+        "@voila-dashboards/jupyterlab-preview",
+        "@jupyter/collaboration-extension",
+        "@jupyter-widgets/jupyterlab-manager",
+    ]
+    page_config_copy["federated_extensions"] = filter_extension(
+        federated_extensions=federated_extensions,
+        disabled_extensions=disabled_extensions,
+    )
     return page_config_copy