diff --git a/docs/tutorials/ui-customization.md b/docs/tutorials/ui-customization.md
index 7bb460b485..86447319f7 100644
--- a/docs/tutorials/ui-customization.md
+++ b/docs/tutorials/ui-customization.md
@@ -188,19 +188,6 @@ const config = {
 ui.configure(config);
 ```
 
-If you've chosen to display chapters, you can specify the color for the chapter markers on
-the timeline and the text color of the chapter titles that popup on hover:
- ```js
-const config = {
-  displayChapters: true,
-  seekBarColors: {
-    chapterMarks: 'rgb(27, 27, 27)',
-    chapterLabels: 'rgb(255, 255, 255)'
-  }
-}
-ui.configure(config);
-```
-
 #### Configuring playback, fast forward and rewind rates
 The rate in which the player can play, fast forward and rewind content can be configured using the `playbackRates`, `fastForwardRates` and `rewindRates` options.
 
diff --git a/ui/externs/ui.js b/ui/externs/ui.js
index a66a184196..cd9f523a71 100644
--- a/ui/externs/ui.js
+++ b/ui/externs/ui.js
@@ -21,9 +21,7 @@ shaka.extern = {};
  *   base: string,
  *   buffered: string,
  *   played: string,
- *   adBreaks: string,
- *   chapterMarks: string,
- *   chapterLabels: string
+ *   adBreaks: string
  * }}
  *
  * @property {string} base
@@ -38,13 +36,6 @@ shaka.extern = {};
  * @property {string} adBreaks
  *   The CSS background color applied to the portion of the seek bar showing
  *   when the ad breaks are scheduled to occur on the timeline.
- * @property {string} chapterMarks
- *   The CSS border color applied to sections of the seek bar showing
- *   when the chapters start and end on the timeline.
- *   Defaults to dark grey rgb(27, 27, 27).
- * @property {string} chapterLabels
- *   The CSS text color applied to the chapter labels that appear above the
- *   seek bar on hover. Defaults to white rgb(255, 255, 255).
  * @exportDoc
  */
 shaka.extern.UISeekBarColors;
diff --git a/ui/less/range_elements.less b/ui/less/range_elements.less
index 6af646a0c0..2fbdeed88c 100644
--- a/ui/less/range_elements.less
+++ b/ui/less/range_elements.less
@@ -154,36 +154,3 @@
 .shaka-ad-markers {
   .overlay-child();
 }
-
-#shaka-player-ui-chapters-container {
-  width: 100%;
-  height: 100%;
-  display: flex;
-  flex-direction: row;
-  z-index: 0;
-}
-
-.shaka-chapter {
-  height: 100%;
-  position: relative;
-}
-
-.shaka-chapter-label {
-  position: relative;
-  top: -2.5em;
-  width: 100%;
-  text-align: center;
-  text-shadow: 1px 1px gray;
-  line-height: normal;
-}
-
-.shaka-chapter > div:first-child {
-  width: 100%;
-  height: 100%;
-  border-right: 1px solid;
-  position: absolute;
-}
-
-.shaka-chapter:last-child > div:first-child {
-  border-right: none;
-}
diff --git a/ui/seek_bar.js b/ui/seek_bar.js
index 17c3dfeded..bef3e96501 100644
--- a/ui/seek_bar.js
+++ b/ui/seek_bar.js
@@ -16,7 +16,6 @@ goog.require('shaka.ui.RangeElement');
 goog.require('shaka.ui.Utils');
 goog.require('shaka.util.Dom');
 goog.require('shaka.util.Error');
-goog.require('shaka.util.EventManager');
 goog.require('shaka.util.Mp4Parser');
 goog.require('shaka.util.Networking');
 goog.require('shaka.util.Timer');
@@ -84,18 +83,6 @@ shaka.ui.SeekBar = class extends shaka.ui.RangeElement {
       this.markAdBreaks_();
     });
 
-    /**
-     * @private {shaka.util.EventManager}
-     */
-    this.chaptersEventManager_ = new shaka.util.EventManager();
-
-
-    /** @private {!HTMLElement} */
-    this.chaptersContainer_ = shaka.util.Dom.createHTMLElement('div');
-    this.chaptersContainer_.id = 'shaka-player-ui-chapters-container';
-    this.container.appendChild(this.chaptersContainer_);
-
-    this.setupChapters_();
 
     /**
      * When user is scrubbing the seek bar - we should pause the video - see
@@ -238,8 +225,6 @@ shaka.ui.SeekBar = class extends shaka.ui.RangeElement {
       this.adBreaksTimer_ = null;
     }
 
-    this.chaptersEventManager_.release();
-
     super.release();
   }
 
@@ -693,203 +678,6 @@ shaka.ui.SeekBar = class extends shaka.ui.RangeElement {
       return minutes + ':' + seconds;
     }
   }
-
-  /**
-   * Sets up the chapter element creator and change handling.
-   * @private
-   */
-  setupChapters_() {
-    let language = 'und';
-    /** @type {!Array<shaka.extern.Chapter>} */
-    let chapters = [];
-
-    /**
-    * Does a value compare on chapters.
-    * @param {shaka.extern.Chapter} a
-    * @param {shaka.extern.Chapter} b
-    * @return {boolean}
-    */
-    const chaptersEqual = (a, b) => {
-      return (!a && !b) || (a.id === b.id && a.title === b.title &&
-          a.startTime === b.startTime && a.endTime === b.endTime);
-    };
-
-    /** @type {function(): void} */
-    const handleChapterTrackChange = () => {
-      let nextLanguage = 'und';
-      /** @type {!Array<shaka.extern.Chapter>} */
-      let nextChapters = [];
-
-      const currentLocales = this.localization.getCurrentLocales();
-      for (const locale of Array.from(currentLocales)) {
-        nextLanguage = locale;
-        nextChapters = this.player.getChapters(nextLanguage);
-        if (nextChapters.length) {
-          break;
-        }
-      }
-      if (!nextChapters.length) {
-        nextLanguage = 'und';
-        nextChapters = this.player.getChapters(nextLanguage);
-      }
-
-      const languageChanged = nextLanguage !== language;
-      const chaptersChanged = chapters.length !== nextChapters.length ||
-        !chapters.some((c, idx) => {
-          const n = nextChapters.at(idx);
-          return chaptersEqual(c, n) ||
-            nextChapters.some((n) => chaptersEqual(c, n));
-        });
-
-      language = nextLanguage;
-      chapters = nextChapters;
-      if (!nextChapters.length) {
-        this.deletePreviousChapters_();
-      } else if (languageChanged || chaptersChanged) {
-        this.createChapterElements_(this.container, chapters);
-      }
-    };
-
-    handleChapterTrackChange();
-
-    this.eventManager.listen(
-        this.player, 'unloading', () => {
-          this.deletePreviousChapters_();
-          language = 'und';
-          chapters = [];
-        });
-
-    this.eventManager.listen(
-        this.player, 'trackschanged', handleChapterTrackChange);
-
-    this.eventManager.listen(
-        this.localization, shaka.ui.Localization.LOCALE_UPDATED, () => {
-          handleChapterTrackChange();
-        });
-
-    this.eventManager.listen(
-        this.localization, shaka.ui.Localization.LOCALE_CHANGED, () => {
-          handleChapterTrackChange();
-        });
-  }
-
-  /**
-   * Builds and inserts ChaptersElement into dom container.
-   * @param {!HTMLElement} container
-   * @param {!Array<shaka.extern.Chapter>} chapterTracks
-   * @private
-   */
-  createChapterElements_(container, chapterTracks) {
-    this.deletePreviousChapters_();
-
-    const hiddenClass = 'shaka-hidden';
-
-    /** @type {{start: number, end: number}} */
-    const seekRange = this.player.seekRange();
-
-    /**
-     * @type {!Array<{
-     *  start: number,
-     *  end: number,
-     *  size: number,
-     *  title: string,
-     *  id: string
-     * }>}
-     * */
-    const chapters = [];
-
-    for (const c of chapterTracks) {
-      if (c.startTime >= seekRange.end) {
-        continue;
-      }
-      const start = c.startTime > seekRange.start ?
-        c.startTime : seekRange.start;
-      const end = c.endTime < seekRange.end ?
-        c.endTime : seekRange.end;
-      const size = (end-start);
-      chapters.push({start, end, size, title: c.title, id: c.id});
-    }
-
-    if (chapters.length < 2) {
-      return;
-    }
-
-    const totalSize = chapters.reduce((t, c) => {
-      t += c.size;
-      return t;
-    }, 0);
-
-    /**
-     * @type {!Array<{
-     *  start: number,
-     *  end: number,
-     *  el: HTMLElement
-     * }>}
-     * */
-    const chapterElMap = [];
-
-    for (const c of chapters) {
-      /** @type {!HTMLElement} */
-      const chapterEl = shaka.util.Dom.createHTMLElement('div');
-      chapterEl.classList.add('shaka-chapter');
-      chapterEl.style.width = `${c.size * 100 / totalSize}%`;
-
-      this.chaptersContainer_.appendChild(chapterEl);
-
-      /** @type {!HTMLElement} */
-      const chapterMarker = shaka.util.Dom.createHTMLElement('div');
-      chapterMarker.style.borderColor =
-        this.config_.seekBarColors.chapterMarks;
-      chapterEl.appendChild(chapterMarker);
-
-      /** @type {!HTMLElement} */
-      const chapterLabel = shaka.util.Dom.createHTMLElement('p');
-      chapterLabel.classList.add('shaka-chapter-label', hiddenClass);
-      chapterLabel.style.color =
-        this.config_.seekBarColors.chapterLabels;
-      chapterLabel.innerText = c.title;
-      chapterEl.appendChild(chapterLabel);
-
-      chapterElMap.push(
-          {start: c.start, end: c.end, el: chapterLabel});
-    }
-
-    // Add chapter event listeners
-    this.chaptersEventManager_.listen(this.bar, 'pointermove', (e) => {
-      if (!e.target) {
-        return;
-      }
-      const target = /** @type {HTMLElement} */(e.target);
-
-      const screenXDiff = e.offsetX / target.clientWidth;
-      const rangeMax = parseInt(target.getAttribute('max'), 10);
-      const hoverVal = screenXDiff * rangeMax;
-
-      for (const c of chapterElMap) {
-        const hidden = c.el.classList.contains(hiddenClass);
-        const inChapter = c.start <= hoverVal && hoverVal < c.end;
-        if (inChapter === hidden) {
-          c.el.classList.toggle(hiddenClass);
-        }
-      }
-    }, {passive: true});
-
-    this.chaptersEventManager_.listen(this.bar, 'pointerout', () => {
-      for (const c of chapterElMap) {
-        if (!c.el.classList.contains(hiddenClass)) {
-          c.el.classList.add(hiddenClass);
-        }
-      }
-    }, {passive: true});
-  }
-
-  /**
-   * @private
-   */
-  deletePreviousChapters_() {
-    this.chaptersEventManager_.removeAll();
-    shaka.util.Dom.removeAllChildren(this.chaptersContainer_);
-  }
 };
 
 
diff --git a/ui/ui.js b/ui/ui.js
index 23b5101057..3b0f4acdbd 100644
--- a/ui/ui.js
+++ b/ui/ui.js
@@ -229,8 +229,6 @@ shaka.ui.Overlay = class {
         buffered: 'rgba(255, 255, 255, 0.54)',
         played: 'rgb(255, 255, 255)',
         adBreaks: 'rgb(255, 204, 0)',
-        chapterMarks: 'rgb(27, 27, 27)',
-        chapterLabels: 'rgb(255, 255, 255)',
       },
       volumeBarColors: {
         base: 'rgba(255, 255, 255, 0.54)',