diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index cd95bca71..8d1ce2f14 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -106,5 +106,5 @@ jobs:
           jupyter labextension list 2>&1 | grep -ie "@jupyter-notebook/lab-extension.*enabled.*ok" -
           jupyter server extension list
           jupyter server extension list 2>&1 | grep -ie "notebook.*enabled" -
-          jupyter retro --version
-          jupyter retro --help
+          jupyter notebook --version
+          jupyter notebook --help
diff --git a/jupyter_config.json b/jupyter_config.json
index a449c875a..aea94da87 100644
--- a/jupyter_config.json
+++ b/jupyter_config.json
@@ -1,4 +1,3 @@
 {
-  "NotebookApp": { "collaborative": true, "expose_app_in_browser": true },
   "LabApp": { "collaborative": true, "expose_app_in_browser": true }
 }
diff --git a/notebook/app.py b/notebook/app.py
index bde274fa5..3c391d093 100644
--- a/notebook/app.py
+++ b/notebook/app.py
@@ -25,7 +25,7 @@ app_dir = get_app_dir()
 version = __version__
 
 
-class RetroHandler(ExtensionHandlerJinjaMixin, ExtensionHandlerMixin, JupyterHandler):
+class NotebookBaseHandler(ExtensionHandlerJinjaMixin, ExtensionHandlerMixin, JupyterHandler):
     def get_page_config(self):
         config = LabConfig()
         app = self.extensionapp
@@ -37,7 +37,7 @@ class RetroHandler(ExtensionHandlerJinjaMixin, ExtensionHandlerMixin, JupyterHan
             "terminalsAvailable": self.settings.get("terminals_available", False),
             "token": self.settings["token"],
             "fullStaticUrl": ujoin(self.base_url, "static", self.name),
-            "frontendUrl": ujoin(self.base_url, "retro/"),
+            "frontendUrl": ujoin(self.base_url, "/"),
             "exposeAppInBrowser": app.expose_app_in_browser,
             "collaborative": app.collaborative,
         }
@@ -93,13 +93,13 @@ class RetroHandler(ExtensionHandlerJinjaMixin, ExtensionHandlerMixin, JupyterHan
         return page_config
 
 
-class RetroRedirectHandler(RetroHandler):
+class RedirectHandler(NotebookBaseHandler):
     @web.authenticated
     def get(self):
-        return self.redirect(self.base_url+'retro/tree')
+        return self.redirect(self.base_url+'tree')
 
 
-class RetroTreeHandler(RetroHandler):
+class TreeHandler(NotebookBaseHandler):
     @web.authenticated
     async def get(self, path=None):
         """
@@ -137,28 +137,28 @@ class RetroTreeHandler(RetroHandler):
             raise web.HTTPError(404)
 
 
-class RetroConsoleHandler(RetroHandler):
+class ConsoleHandler(NotebookBaseHandler):
     @web.authenticated
     def get(self, path=None):
         tpl = self.render_template("consoles.html", page_config=self.get_page_config())
         return self.write(tpl)
 
 
-class RetroTerminalHandler(RetroHandler):
+class TerminalHandler(NotebookBaseHandler):
     @web.authenticated
     def get(self, path=None):
         tpl = self.render_template("terminals.html", page_config=self.get_page_config())
         return self.write(tpl)
 
 
-class RetroFileHandler(RetroHandler):
+class FileHandler(NotebookBaseHandler):
     @web.authenticated
     def get(self, path=None):
         tpl = self.render_template("edit.html", page_config=self.get_page_config())
         return self.write(tpl)
 
 
-class RetroNotebookHandler(RetroHandler):
+class NotebookHandler(NotebookBaseHandler):
     @web.authenticated
     def get(self, path=None):
         tpl = self.render_template("notebooks.html", page_config=self.get_page_config())
@@ -174,9 +174,9 @@ class NotebookApp(LabServerApp):
     description = "Jupyter Notebook - A web-based notebook environment for interactive computing"
     version = version
     app_version = version
-    extension_url = "/retro"
-    default_url = "/retro/tree"
-    file_url_prefix = "/retro/notebooks"
+    extension_url = "/tree"
+    default_url = "/tree"
+    file_url_prefix = "/notebooks"
     load_other_extensions = True
     app_dir = app_dir
     app_settings_dir = pjoin(app_dir, "settings")
@@ -211,15 +211,15 @@ class NotebookApp(LabServerApp):
             (
                 rf"/{self.file_url_prefix}/((?!.*\.ipynb($|\?)).*)",
                 web.RedirectHandler,
-                {"url": "/retro/edit/{0}"},
+                {"url": "/edit/{0}"},
             )
         )
-        self.handlers.append(("/retro/?", RetroRedirectHandler))
-        self.handlers.append(("/retro/tree(.*)", RetroTreeHandler))
-        self.handlers.append(("/retro/notebooks(.*)", RetroNotebookHandler))
-        self.handlers.append(("/retro/edit(.*)", RetroFileHandler))
-        self.handlers.append(("/retro/consoles/(.*)", RetroConsoleHandler))
-        self.handlers.append(("/retro/terminals/(.*)", RetroTerminalHandler))
+        self.handlers.append(("/retro/?", RedirectHandler))
+        self.handlers.append(("/tree(.*)", TreeHandler))
+        self.handlers.append(("/notebooks(.*)", NotebookHandler))
+        self.handlers.append(("/edit(.*)", FileHandler))
+        self.handlers.append(("/consoles/(.*)", ConsoleHandler))
+        self.handlers.append(("/terminals/(.*)", TerminalHandler))
         super().initialize_handlers()
 
     def initialize_templates(self):
diff --git a/packages/application-extension/src/index.ts b/packages/application-extension/src/index.ts
index 9bd1f4695..1888042ed 100644
--- a/packages/application-extension/src/index.ts
+++ b/packages/application-extension/src/index.ts
@@ -137,7 +137,7 @@ const logo: JupyterFrontEndPlugin<void> = {
   activate: (app: JupyterFrontEnd) => {
     const baseUrl = PageConfig.getBaseUrl();
     const node = document.createElement('a');
-    node.href = `${baseUrl}retro/tree`;
+    node.href = `${baseUrl}tree`;
     node.target = '_blank';
     node.rel = 'noopener noreferrer';
     const logo = new Widget({ node });
@@ -258,7 +258,7 @@ const pages: JupyterFrontEndPlugin<void> = {
     app.commands.addCommand(CommandIDs.openTree, {
       label: trans.__('Open Files'),
       execute: () => {
-        window.open(`${baseUrl}retro/tree`);
+        window.open(`${baseUrl}tree`);
       }
     });
 
@@ -490,7 +490,7 @@ const title: JupyterFrontEndPlugin<void> = {
             return;
           }
           const encoded = encodeURIComponent(newPath);
-          router.navigate(`/retro/${route}/${encoded}`, {
+          router.navigate(`/${route}/${encoded}`, {
             skipRouting: true
           });
         }
@@ -596,7 +596,7 @@ const tree: JupyterFrontEndPlugin<JupyterFrontEnd.ITreeResolver> = {
     const set = new DisposableSet();
     const delegate = new PromiseDelegate<JupyterFrontEnd.ITreeResolver.Paths>();
 
-    const treePattern = new RegExp('/retro(/tree/.*)?');
+    const treePattern = new RegExp('/(/tree/.*)?');
 
     set.add(
       commands.addCommand(CommandIDs.resolveTree, {
@@ -651,7 +651,6 @@ const treePathUpdater: JupyterFrontEndPlugin<ITreePathUpdater> = {
       if (treePath !== PageConfig.getOption('treePath')) {
         const path = URLExt.join(
           PageConfig.getOption('baseUrl') || '/',
-          'retro',
           'tree',
           URLExt.encodeParts(treePath)
         );
diff --git a/packages/console-extension/src/index.ts b/packages/console-extension/src/index.ts
index 50ad9e5c0..76839b30e 100644
--- a/packages/console-extension/src/index.ts
+++ b/packages/console-extension/src/index.ts
@@ -63,7 +63,7 @@ const redirect: JupyterFrontEndPlugin<void> = {
         // bail if the console is already added to the main area
         return;
       }
-      window.open(`${baseUrl}retro/consoles/${sessionContext.path}`, '_blank');
+      window.open(`${baseUrl}consoles/${sessionContext.path}`, '_blank');
 
       // the widget is not needed anymore
       console.dispose();
diff --git a/packages/docmanager-extension/src/index.ts b/packages/docmanager-extension/src/index.ts
index 68f9ac1db..7c9dd1dce 100644
--- a/packages/docmanager-extension/src/index.ts
+++ b/packages/docmanager-extension/src/index.ts
@@ -41,7 +41,7 @@ const opener: JupyterFrontEndPlugin<void> = {
       }
       const ext = PathExt.extname(path);
       const route = ext === '.ipynb' ? 'notebooks' : 'edit';
-      window.open(`${baseUrl}retro/${route}/${path}`);
+      window.open(`${baseUrl}${route}/${path}`);
       return undefined;
     };
   }
diff --git a/packages/lab-extension/src/index.ts b/packages/lab-extension/src/index.ts
index bf39b4974..7d17ac2b9 100644
--- a/packages/lab-extension/src/index.ts
+++ b/packages/lab-extension/src/index.ts
@@ -137,7 +137,7 @@ const launchButtons: JupyterFrontEndPlugin<void> = {
         command: 'jupyter-notebook:open-retro',
         commandLabel: trans.__('Open With %1', 'Jupyter Notebook'),
         buttonLabel: 'openRetro',
-        urlPrefix: `${baseUrl}retro/tree/`
+        urlPrefix: `${baseUrl}tree/`
       });
     }
 
@@ -186,7 +186,7 @@ const launchRetroTree: JupyterFrontEndPlugin<void> = {
     commands.addCommand(CommandIDs.launchRetroTree, {
       label: trans.__('Launch Jupyter Notebook File Browser'),
       execute: () => {
-        window.open(PageConfig.getBaseUrl() + 'retro/tree');
+        window.open(PageConfig.getBaseUrl() + 'tree');
       }
     });
 
diff --git a/packages/terminal-extension/src/index.ts b/packages/terminal-extension/src/index.ts
index da865bea6..0e65fbabc 100644
--- a/packages/terminal-extension/src/index.ts
+++ b/packages/terminal-extension/src/index.ts
@@ -68,7 +68,7 @@ const redirect: JupyterFrontEndPlugin<void> = {
         return;
       }
       const name = terminal.content.session.name;
-      window.open(`${baseUrl}retro/terminals/${name}`, '_blank');
+      window.open(`${baseUrl}terminals/${name}`, '_blank');
 
       // dispose the widget since it is not used on this page
       terminal.dispose();
diff --git a/ui-tests/package.json b/ui-tests/package.json
index bff0d92f7..2ffc0fd40 100644
--- a/ui-tests/package.json
+++ b/ui-tests/package.json
@@ -6,7 +6,7 @@
   "license": "BSD-3-Clause",
   "description": "Jupyter Notebook UI Tests",
   "scripts": {
-    "start": "jupyter retro --config test/jupyter_server_config.py",
+    "start": "jupyter notebook --config test/jupyter_server_config.py",
     "start:detached": "yarn run start&",
     "test": "playwright test",
     "test:debug": "PWDEBUG=1 playwright test",
diff --git a/ui-tests/playwright.config.ts b/ui-tests/playwright.config.ts
index 27284d559..afc0aa538 100644
--- a/ui-tests/playwright.config.ts
+++ b/ui-tests/playwright.config.ts
@@ -4,7 +4,7 @@ module.exports = {
   ...baseConfig,
   timeout: 240000,
   use: {
-    appPath: '/retro'
+    appPath: '/'
   },
   retries: 1
 };
diff --git a/ui-tests/test/notebook.spec.ts b/ui-tests/test/notebook.spec.ts
index bfcef579b..21414e46e 100644
--- a/ui-tests/test/notebook.spec.ts
+++ b/ui-tests/test/notebook.spec.ts
@@ -26,7 +26,7 @@ test.describe('Notebook', () => {
     const href = await page.evaluate(() => {
       return document.querySelector('#jp-RetroLogo')?.getAttribute('href');
     });
-    expect(href).toContain('/retro/tree');
+    expect(href).toContain('/tree');
   });
 
   test('Renaming the notebook should be possible', async ({
diff --git a/ui-tests/test/tree.spec.ts b/ui-tests/test/tree.spec.ts
index 2725f005a..beef661f4 100644
--- a/ui-tests/test/tree.spec.ts
+++ b/ui-tests/test/tree.spec.ts
@@ -34,5 +34,5 @@ test('should update url when navigating in filebrowser', async ({
   await page.waitForSelector(`.jp-FileBrowser-crumbs >> text=/${SUBFOLDER}/`);
 
   const url = new URL(page.url());
-  expect(url.pathname).toEqual(`/retro/tree/${tmpPath}/${SUBFOLDER}`);
+  expect(url.pathname).toEqual(`/tree/${tmpPath}/${SUBFOLDER}`);
 });