diff --git a/assets/css/custom.css b/assets/css/custom.css
index 2f081897..c261d28c 100644
--- a/assets/css/custom.css
+++ b/assets/css/custom.css
@@ -47,53 +47,6 @@ table.spec__table thead {
 .readcode-code {
 }
 
-.notice {
-  margin-top: 0rem;
-  margin-bottom: 0rem;
-  color: #666;
-}
-
-.notice-type {
-  font-size: 1rem;
-  font-weight: bold;
-  padding: 0rem 1rem 0rem 1rem;
-  width: 100%;
-  color: white;
-  display: inline-block;
-}
-
-.notice-content {
-  padding: 0.5rem 1rem 0.5rem 1rem;
-}
-
-.note-notice .notice-type {
-  background: #6AB0DE;
-}
-.note-notice .notice-content {
-  background: #E7F2FA;
-}
-
-.info-notice .notice-type {
-  background: #F0B37E;
-}
-.info-notice .notice-content {
-  background: #FFF2DB;
-}
-
-.warning-notice .notice-type {
-  background: rgba(217, 83, 79, 0.8);
-}
-.warning-notice .notice-content {
-  background: #FAE2E2;
-}
-.tip-notice .notice-type {
-  background: rgba(92, 184, 92, 0.8);
-}
-
-.tip-notice .notice-content {
-  background: #E6F9E6;
-}
-
 .menu-spacer {
   margin-left: auto;
 }
diff --git a/layouts/shortcodes/mermaid.html b/layouts/shortcodes/mermaid.html
deleted file mode 100644
index 3fc5d220..00000000
--- a/layouts/shortcodes/mermaid.html
+++ /dev/null
@@ -1,5 +0,0 @@
-<!-- TODO: Move the script out of the shortcode -->
-<script async src="https://unpkg.com/mermaid@8.8.4/dist/mermaid.min.js"></script>
-<div class="mermaid">
-  {{.Inner}}
-</div>
diff --git a/layouts/shortcodes/notice.html b/layouts/shortcodes/notice.html
deleted file mode 100644
index 134aad5d..00000000
--- a/layouts/shortcodes/notice.html
+++ /dev/null
@@ -1,6 +0,0 @@
-<div class="notice {{ .Get 0 }}-notice">
-  <div class="notice-type">🛈  &nbsp;{{ .Get 0 | humanize }}</div>
-  <div class="notice-content">
-    {{ .Inner | markdownify }}
-  </div></br>
-</div>
diff --git a/themes/scientific-python-hugo-theme b/themes/scientific-python-hugo-theme
index ca252d08..bbe7fe67 160000
--- a/themes/scientific-python-hugo-theme
+++ b/themes/scientific-python-hugo-theme
@@ -1 +1 @@
-Subproject commit ca252d0814404b88d92ed3d6c385decc94bd5d67
+Subproject commit bbe7fe676ae560d195cf40cda2c3d051be0556c5