diff --git a/layouts/partials/footer.html b/layouts/partials/footer.html
index 091ac1a..53b4036 100644
--- a/layouts/partials/footer.html
+++ b/layouts/partials/footer.html
@@ -65,13 +65,9 @@
 </footer>
 
 {{- if .Site.Params.selfHosted -}}
-<script src="{{ "js/katex.min.js" | absURL }}"></script>
-<script src="{{ "js/auto-render.min.js" | absURL }}"></script>
 <script src="{{ "js/jquery-3.5.1.slim.min.js" | absURL }}"></script>
 <script src="{{ "js/bootstrap.min.js" | absURL }}"></script>
 {{- else -}}
-<script src="https://cdn.jsdelivr.net/npm/katex@0.12.0/dist/katex.min.js" integrity="sha384-g7c+Jr9ZivxKLnZTDUhnkOnsh30B4H0rpLUpJ4jAIKs4fnJI+sEnkvrMWph2EDg4" crossorigin="anonymous"></script>
-<script src="https://cdn.jsdelivr.net/npm/katex@0.12.0/dist/contrib/auto-render.min.js" integrity="sha384-mll67QQFJfxn0IYznZYonOWZ644AWYC+Pt2cHqMaRhXVrursRwvLnLaebdGIlYNa" crossorigin="anonymous"></script>
 <script src="https://code.jquery.com/jquery-3.5.1.slim.min.js" integrity="sha384-DfXdz2htPH0lsSSs5nCTpuj/zy4C+OGpamoFVy38MVBnE+IbbVYUew+OrCXaRkfj" crossorigin="anonymous"></script>
 <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js" integrity="sha384-Tc5IQib027qvyjSMfHjOMaLkfuWVxZxUPnCJA7l2mCWNIpG9mGCD8wGNIcPD7Txa" crossorigin="anonymous"></script>
 {{- end }}
@@ -87,15 +83,6 @@
 {{- end -}}
 <script> renderMathInElement(document.body); </script>
 
-{{- if .Site.Params.selfHosted -}}
-<script src="{{ "js/photoswipe.min.js" | absURL }}"></script>
-<script src="{{ "js/photoswipe-ui-default.min.js" | absURL }}"></script>
-{{- else -}}
-<script src="https://cdnjs.cloudflare.com/ajax/libs/photoswipe/4.1.2/photoswipe.min.js" integrity="sha384-QELNnmcmU8IR9ZAykt67vGr9/rZJdHbiWi64V88fCPaOohUlHCqUD/unNN0BXSqy" crossorigin="anonymous"></script>
-<script src="https://cdnjs.cloudflare.com/ajax/libs/photoswipe/4.1.2/photoswipe-ui-default.min.js" integrity="sha384-m67o7SkQ1ALzKZIFh4CiTA8tmadaujiTa9Vu+nqPSwDOqHrDmxLezTdFln8077+q" crossorigin="anonymous"></script>
-{{- end -}}
-<script src="{{ "js/load-photoswipe.js" | absURL }}"></script>
-
 <!-- Google Custom Search Engine -->
 {{ if .Site.Params.gcse }}
 <script>
diff --git a/layouts/partials/head.html b/layouts/partials/head.html
index 71e594d..0d2bf3c 100644
--- a/layouts/partials/head.html
+++ b/layouts/partials/head.html
@@ -46,11 +46,9 @@
   <link rel="alternate" href="{{ "index.xml" | absLangURL }}" type="application/rss+xml" title="{{ .Site.Title }}">
 
   {{- if .Site.Params.selfHosted -}}
-  <link rel="stylesheet" href="{{ "css/katex.min.css" | absURL }}" />
   <link rel="stylesheet" href="{{ "fontawesome/css/all.css" | absURL }}" />
   <link rel="stylesheet" href="{{ "css/bootstrap.min.css" | absURL }}" />
   {{- else -}}
-  <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/KaTeX/0.16.8/katex.min.css" integrity="sha512-7nTa5CnxbzfQgjQrNmHXB7bxGTUVO/DcYX6rpgt06MkzM0rVXP3EYCv/Ojxg5H0dKbY7llbbYaqgfZjnGOAWGA==" crossorigin="anonymous">
   <link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.5.0/css/all.css" integrity="sha384-B4dIYHKNBt8Bc12p+WXckhzcICo0wtJAoU8YZTY5qE0Id1GSseTk6S+L3BlXeVIU" crossorigin="anonymous">
   <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" integrity="sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u" crossorigin="anonymous">
   {{- end -}}
@@ -75,17 +73,5 @@
   {{- end -}}
   <link rel="stylesheet" href="{{ "css/codeblock.css" | absURL }}" />
 
-  {{- if .Site.Params.staticman.recaptcha -}}
-  <script src='https://www.google.com/recaptcha/api.js'></script>
-  {{- end -}}
-
-  {{- if .Site.Params.selfHosted -}}
-  <link rel="stylesheet" href="{{ "css/photoswipe.min.css" | absURL }}" />
-  <link rel="stylesheet" href="{{ "css/photoswipe.default-skin.min.css" | absURL }}" />
-  {{- else -}}
-  <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/photoswipe/4.1.3/photoswipe.min.css" integrity="sha512-yxWNfGm+7EK+hqP2CMJ13hsUNCQfHmOuCuLmOq2+uv/AVQtFAjlAJO8bHzpYGQnBghULqnPuY8NEr7f5exR3Qw==" crossorigin="anonymous">
-  <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/photoswipe/4.1.3/default-skin/default-skin.min.css" integrity="sha512-Rck8F2HFBjAQpszOB9Qy+NVLeIy4vUOMB7xrp46edxB3KXs2RxXRguHfrJqNK+vJ+CkfvcGqAKMJTyWYBiBsGA==" crossorigin="anonymous">
-  {{- end -}}
-
 {{- partial "head_custom.html" . }}
 {{ template "_internal/google_analytics_async.html" . }}