diff --git a/website/blog/2022/08-01-announcing-docusaurus-2.0/ShowcaseCarousel.module.css b/website/blog/2022/08-01-announcing-docusaurus-2.0/ShowcaseCarousel.module.css
index 631f6c1c867d..d6fb5c12756b 100644
--- a/website/blog/2022/08-01-announcing-docusaurus-2.0/ShowcaseCarousel.module.css
+++ b/website/blog/2022/08-01-announcing-docusaurus-2.0/ShowcaseCarousel.module.css
@@ -60,10 +60,6 @@
   left: 0.1rem;
 }
 
-.siteSlide {
-  position: relative;
-}
-
 .siteLink {
   position: absolute;
   bottom: 2px;
diff --git a/website/docs/guides/markdown-features/markdown-features-react.mdx b/website/docs/guides/markdown-features/markdown-features-react.mdx
index 94e51e483d90..d1ffc8ebd13b 100644
--- a/website/docs/guides/markdown-features/markdown-features-react.mdx
+++ b/website/docs/guides/markdown-features/markdown-features-react.mdx
@@ -10,7 +10,6 @@ slug: /markdown-features/react
 import BrowserWindow from '@site/src/components/BrowserWindow';
 import Tabs from '@theme/Tabs';
 import TabItem from '@theme/TabItem';
-import styles from './markdown-features-react.module.css';
 ```
 
 Docusaurus has built-in support for [MDX](https://mdxjs.com/), which allows you to write JSX within your Markdown files and render them as React components.
diff --git a/website/docs/guides/markdown-features/markdown-features-react.module.css b/website/docs/guides/markdown-features/markdown-features-react.module.css
deleted file mode 100644
index 4414169ef024..000000000000
--- a/website/docs/guides/markdown-features/markdown-features-react.module.css
+++ /dev/null
@@ -1,17 +0,0 @@
-/**
- * Copyright (c) Facebook, Inc. and its affiliates.
- *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
- */
-
-.wrappingBlock {
-  width: 50%;
-  display: inline-block;
-  padding: 5px;
-  vertical-align: top;
-}
-
-.wrappingBlock code[class^='codeBlockLines'] {
-  white-space: pre-wrap;
-}
diff --git a/website/src/components/BrowserWindow/styles.module.css b/website/src/components/BrowserWindow/styles.module.css
index bab968586099..6fa4bf395197 100644
--- a/website/src/components/BrowserWindow/styles.module.css
+++ b/website/src/components/BrowserWindow/styles.module.css
@@ -19,21 +19,10 @@
   padding: 0.5rem 1rem;
 }
 
-.row::after {
-  content: '';
-  display: table;
-  clear: both;
-}
-
 .buttons {
   white-space: nowrap;
 }
 
-.right {
-  align-self: center;
-  width: 10%;
-}
-
 [data-theme='light'] {
   --ifm-background-color: #fff;
 }
diff --git a/website/src/pages/styles.module.css b/website/src/pages/styles.module.css
index 81d1bec51615..17429ae1620e 100644
--- a/website/src/pages/styles.module.css
+++ b/website/src/pages/styles.module.css
@@ -13,10 +13,6 @@
   background-color: var(--ifm-color-emphasis-100);
 }
 
-.sectionInner {
-  margin: 0 auto;
-}
-
 .featureImage {
   width: auto;
   max-height: 128px;
@@ -28,27 +24,6 @@
   padding-top: 1rem;
 }
 
-.announcement {
-  font-weight: bold;
-  font-size: 24px;
-  padding: 48px;
-  margin: 0 auto;
-  text-align: center;
-}
-
-.announcementDark {
-  background-color: #20232a;
-  color: #fff;
-  /* Reapply the primary color, because it has been locally overridden as
-   * the dark theme color */
-  --ifm-link-color: var(--ifm-color-primary);
-}
-
-.announcementInner {
-  margin: 0 auto;
-  max-width: 768px;
-}
-
 .topBanner {
   font-size: 20px;
   padding: 30px 20px;
@@ -202,10 +177,6 @@ html[data-theme='dark'] .topBannerTitleText {
   overflow: hidden;
 }
 
-.indexCtaTryNowButton:hover {
-  color: var(--ifm-color-primary);
-}
-
 @media only screen and (width <= 768px) {
   .hero {
     padding-left: 20px;
diff --git a/website/src/plugins/changelog/theme/ChangelogItem/Header/Authors/styles.module.css b/website/src/plugins/changelog/theme/ChangelogItem/Header/Authors/styles.module.css
index 19ec3dd69dd2..c9cffc43e913 100644
--- a/website/src/plugins/changelog/theme/ChangelogItem/Header/Authors/styles.module.css
+++ b/website/src/plugins/changelog/theme/ChangelogItem/Header/Authors/styles.module.css
@@ -32,7 +32,3 @@
   height: var(--ifm-avatar-photo-size);
   background-color: var(--ifm-color-emphasis-100);
 }
-
-.toggleButtonIconExpanded {
-  transform: rotate(180deg);
-}
diff --git a/website/src/utils/__tests__/jsUtils.test.ts b/website/src/utils/__tests__/jsUtils.test.ts
deleted file mode 100644
index 5d4147f77a84..000000000000
--- a/website/src/utils/__tests__/jsUtils.test.ts
+++ /dev/null
@@ -1,18 +0,0 @@
-/**
- * Copyright (c) Facebook, Inc. and its affiliates.
- *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
- */
-
-import {describe, expect, it} from 'vitest';
-import {toggleListItem} from '../jsUtils';
-
-describe('toggleListItem', () => {
-  it('removes item already in list', () => {
-    expect(toggleListItem([1, 2, 3], 2)).toEqual([1, 3]);
-  });
-  it('appends item not in list', () => {
-    expect(toggleListItem([1, 2], 3)).toEqual([1, 2, 3]);
-  });
-});
diff --git a/website/src/utils/jsUtils.ts b/website/src/utils/jsUtils.ts
index 868a32d06167..ee5c5a47decf 100644
--- a/website/src/utils/jsUtils.ts
+++ b/website/src/utils/jsUtils.ts
@@ -17,13 +17,3 @@ export function sortBy<T>(
   );
   return sortedArray;
 }
-
-export function toggleListItem<T>(list: T[], item: T): T[] {
-  const itemIndex = list.indexOf(item);
-  if (itemIndex === -1) {
-    return list.concat(item);
-  }
-  const newList = [...list];
-  newList.splice(itemIndex, 1);
-  return newList;
-}