diff --git a/packages/discord.js/src/managers/ApplicationCommandManager.js b/packages/discord.js/src/managers/ApplicationCommandManager.js
index e38c2f7c8..8f6ce5310 100644
--- a/packages/discord.js/src/managers/ApplicationCommandManager.js
+++ b/packages/discord.js/src/managers/ApplicationCommandManager.js
@@ -82,7 +82,7 @@ class ApplicationCommandManager extends CachedManager {
    * Options used to fetch Application Commands from Discord
    * @typedef {BaseFetchOptions} FetchApplicationCommandOptions
    * @property {Snowflake} [guildId] The guild's id to fetch commands for, for when the guild is not cached
-   * @property {LocaleString} [locale] The locale to use when fetching this command
+   * @property {Locale} [locale] The locale to use when fetching this command
    * @property {boolean} [withLocalizations] Whether to fetch all localization data
    */
 
diff --git a/packages/discord.js/src/util/APITypes.js b/packages/discord.js/src/util/APITypes.js
index 8b160aa6c..44f7f80ff 100644
--- a/packages/discord.js/src/util/APITypes.js
+++ b/packages/discord.js/src/util/APITypes.js
@@ -475,11 +475,6 @@
  * @see {@link https://discord-api-types.dev/api/discord-api-types-v10/enum/Locale}
  */
 
-/**
- * @external LocaleString
- * @see {@link https://discord-api-types.dev/api/discord-api-types-v10#LocaleString}
- */
-
 /**
  * @external MessageActivityType
  * @see {@link https://discord-api-types.dev/api/discord-api-types-v10/enum/MessageActivityType}
diff --git a/packages/discord.js/typings/index.d.ts b/packages/discord.js/typings/index.d.ts
index 86cbe62df..f25f54221 100644
--- a/packages/discord.js/typings/index.d.ts
+++ b/packages/discord.js/typings/index.d.ts
@@ -126,7 +126,6 @@ import {
   APIEmbedImage,
   VideoQualityMode,
   LocalizationMap,
-  LocaleString,
   MessageActivityType,
   APIAttachment,
   APIChannel,
@@ -5814,7 +5813,7 @@ export type EmojiResolvable = Snowflake | GuildEmoji | ReactionEmoji | Applicati
 
 export interface FetchApplicationCommandOptions extends BaseFetchOptions {
   guildId?: Snowflake;
-  locale?: LocaleString;
+  locale?: Locale;
   withLocalizations?: boolean;
 }