diff --git a/website/doc/theme/favicon.png b/website/doc/theme/favicon.png
deleted file mode 100644
index a5b1aa16..00000000
Binary files a/website/doc/theme/favicon.png and /dev/null differ
diff --git a/website/doc/theme/favicon.svg b/website/doc/theme/favicon.svg
deleted file mode 100644
index 90e0ea58..00000000
--- a/website/doc/theme/favicon.svg
+++ /dev/null
@@ -1,22 +0,0 @@
-<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 199.7 184.2">
-  <style>
-    @media (prefers-color-scheme: dark) {
-      svg { fill: white; }
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-  </style>
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-<!-- Original image Copyright Dave Gandy — CC BY 4.0 License -->
diff --git a/website/doc/theme/index.hbs b/website/doc/theme/index.hbs
index 31a74b5c..5136eb09 100644
--- a/website/doc/theme/index.hbs
+++ b/website/doc/theme/index.hbs
@@ -1,3 +1,9 @@
+<!-- Lang: "{{ language }}" -->
+<!-- Title: "{{ title }}" -->
+<!-- Description: "{{ description }}" -->
+<!-- Print: {{#if print_enable}}enabled{{else}}disabled{{/if}} -->
+<!-- MathJax: {{#if mathjax_support}}supported{{else}}unsupported{{/if}} -->
+
 <!-- Provide site root to javascript -->
 <script type="text/javascript">
     var path_to_root = "{{ path_to_root }}";