diff --git a/lib/util/language_utils.js b/lib/util/language_utils.js
index 296d435317..5edb812c2a 100644
--- a/lib/util/language_utils.js
+++ b/lib/util/language_utils.js
@@ -13,6 +13,7 @@ goog.require('shaka.util.ManifestParserUtils');
 /**
  * @summary A set of language utility functions.
  * @final
+ * @export
  */
 shaka.util.LanguageUtils = class {
   /**
@@ -32,6 +33,7 @@ shaka.util.LanguageUtils = class {
    * @param {string} locale1
    * @param {string} locale2
    * @return {boolean}
+   * @export
    */
   static areLocaleCompatible(locale1, locale2) {
     const LanguageUtils = shaka.util.LanguageUtils;
@@ -62,6 +64,7 @@ shaka.util.LanguageUtils = class {
    * @param {string} locale1
    * @param {string} locale2
    * @return {boolean}
+   * @export
    */
   static areLanguageCompatible(locale1, locale2) {
     const LanguageUtils = shaka.util.LanguageUtils;
@@ -102,6 +105,7 @@ shaka.util.LanguageUtils = class {
    * @param {string} possibleParent
    * @param {string} possibleChild
    * @return {boolean}
+   * @export
    */
   static isParentOf(possibleParent, possibleChild) {
     const LanguageUtils = shaka.util.LanguageUtils;
@@ -146,6 +150,7 @@ shaka.util.LanguageUtils = class {
    * @param {string} localeA
    * @param {string} localeB
    * @return {boolean}
+   * @export
    */
   static isSiblingOf(localeA, localeB) {
     const LanguageUtils = shaka.util.LanguageUtils;
@@ -181,6 +186,7 @@ shaka.util.LanguageUtils = class {
    *
    * @param {string} locale
    * @return {string}
+   * @export
    */
   static normalize(locale) {
     const LanguageUtils = shaka.util.LanguageUtils;
@@ -217,6 +223,7 @@ shaka.util.LanguageUtils = class {
    * @param {string} a
    * @param {string} b
    * @return {boolean}
+   * @export
    */
   static areSiblings(a, b) {
     const LanguageUtils = shaka.util.LanguageUtils;
@@ -235,6 +242,7 @@ shaka.util.LanguageUtils = class {
    * @param {string} target
    * @param {string} candidate
    * @return {number}
+   * @export
    */
   static relatedness(target, candidate) {
     const LanguageUtils = shaka.util.LanguageUtils;
@@ -271,6 +279,7 @@ shaka.util.LanguageUtils = class {
    *
    * @param {string} lang
    * @return {string}
+   * @export
    */
   static getBase(lang) {
     const LanguageUtils = shaka.util.LanguageUtils;
@@ -300,6 +309,7 @@ shaka.util.LanguageUtils = class {
    *
    * @param {shaka.extern.Stream} stream
    * @return {string}
+   * @export
    */
   static getLocaleForText(stream) {
     const LanguageUtils = shaka.util.LanguageUtils;
@@ -322,6 +332,7 @@ shaka.util.LanguageUtils = class {
    *
    * @param {shaka.extern.Variant} variant
    * @return {string}
+   * @export
    */
   static getLocaleForVariant(variant) {
     const LanguageUtils = shaka.util.LanguageUtils;
@@ -356,6 +367,7 @@ shaka.util.LanguageUtils = class {
    * @param {string} target
    * @param {!Iterable.<string>} searchSpace
    * @return {?string}
+   * @export
    */
   static findClosestLocale(target, searchSpace) {
     const LanguageUtils = shaka.util.LanguageUtils;