diff --git a/_layouts/default.html b/_layouts/default.html
index 57e845922dd94650e5dc853f1c6217a9704e976a..cb24228efea1ea6106dfa76426126a6f9df8228d 100644
--- a/_layouts/default.html
+++ b/_layouts/default.html
@@ -7,29 +7,11 @@
 
     {% include header.html %}
 
-    <!DOCTYPE html>
-    <html lang="{{ page.lang | default: site.lang | default: "en" }}">
-      <head>
-        {% include head.html %}
-      </head>
-      <body>
-        <div class="page-content">
-          <div class="wrapper">
-            <aside class="toc-sidebar">
-              <nav id="toc"></nav>
-            </aside>
-            <main class="post-content">
-              {{ content }}
-            </main>
-          </div>
-        </div>
-        {% include footer.html %}
-        <script src="{{ "/assets/js/toc.js" | relative_url }}"></script>
-      </body>
-    </html>
-
     <div class="page-content">
       <div class="wrapper">
+        <aside class="toc-sidebar">
+          <nav id="toc"></nav>
+        </aside>
         {{ content }}
       </div>
     </div>