diff --git a/README.md b/README.md
index 4d9a06686..84aceab25 100644
--- a/README.md
+++ b/README.md
@@ -1,14 +1,10 @@
-Getting Started
-================
+# Getting Started
 
-<!-- WARNING: THIS FILE WAS AUTOGENERATED! DO NOT EDIT! -->
 
-<div>
+<!-- WARNING: THIS FILE WAS AUTOGENERATED! DO NOT EDIT! -->
 
 ![CI](https://github.com/fastai/nbdev/actions/workflows/test.yaml/badge.svg)
 
-</div>
-
 `nbdev` is a notebook-driven development platform. Simply write
 notebooks with lightweight markup and get high-quality documentation,
 tests, continuous integration, and packaging for free!
@@ -66,19 +62,11 @@ The best way to learn how to use nbdev is to complete either the
 [written walkthrough](https://nbdev.fast.ai/tutorials/tutorial.html) or
 video walkthrough:
 
-<div style="text-align: center">
-
-<div>
-
 <a href="http://www.youtube.com/watch?v=l7zS8Ld4_iA" target="_blank"
 title="nbdev walkthrough"><img
 src="https://github.com/fastai/logos/raw/main/nbdev_walkthrough.png"
 style="border-radius: 10px" width="560" height="315" /></a>
 
-</div>
-
-</div>
-
 Alternatively, there’s a [shortened version of the video
 walkthrough](https://youtu.be/67FdzLSt4aA) with coding sections sped up
 using the `unsilence` Python library – it’s 27 minutes faster, but a bit
diff --git a/nbdev/serve.py b/nbdev/serve.py
index db0907acd..75cfe8e4c 100644
--- a/nbdev/serve.py
+++ b/nbdev/serve.py
@@ -62,9 +62,9 @@ def proc_nbs(
     cfg = get_config()
     cache = cfg.config_path/'_proc'
     path = Path(path or cfg.nbs_path)
-    files = nbglob(path, func=Path, file_glob=file_glob, file_re=file_re, **kwargs)
+    files = nbglob(path, func=Path, file_glob='', file_re='', **kwargs)
     if (path/'_quarto.yml').exists(): files.append(path/'_quarto.yml')
-    if (path/'_extensions').exists(): files.extend(nbglob(path/'_extensions', func=Path, file_glob=file_glob, file_re=file_re, skip_file_re='^[.]'))
+    if (path/'_extensions').exists(): files.extend(nbglob(path/'_extensions', func=Path, file_glob='', file_re='', skip_file_re='^[.]'))
 
     # If settings.ini or filter script newer than cache folder modified, delete cache
     chk_mtime = max(cfg.config_file.stat().st_mtime, Path(__file__).stat().st_mtime)
diff --git a/nbs/api/17_serve.ipynb b/nbs/api/17_serve.ipynb
index 4cac6a6df..16d93d085 100644
--- a/nbs/api/17_serve.ipynb
+++ b/nbs/api/17_serve.ipynb
@@ -138,9 +138,9 @@
     "    cfg = get_config()\n",
     "    cache = cfg.config_path/'_proc'\n",
     "    path = Path(path or cfg.nbs_path)\n",
-    "    files = nbglob(path, func=Path, file_glob=file_glob, file_re=file_re, **kwargs)\n",
+    "    files = nbglob(path, func=Path, file_glob='', file_re='', **kwargs)\n",
     "    if (path/'_quarto.yml').exists(): files.append(path/'_quarto.yml')\n",
-    "    if (path/'_extensions').exists(): files.extend(nbglob(path/'_extensions', func=Path, file_glob=file_glob, file_re=file_re, skip_file_re='^[.]'))\n",
+    "    if (path/'_extensions').exists(): files.extend(nbglob(path/'_extensions', func=Path, file_glob='', file_re='', skip_file_re='^[.]'))\n",
     "\n",
     "    # If settings.ini or filter script newer than cache folder modified, delete cache\n",
     "    chk_mtime = max(cfg.config_file.stat().st_mtime, Path(__file__).stat().st_mtime)\n",