diff --git a/src/client/websocket/handlers/APPLICATION_COMMAND_CREATE.js b/src/client/websocket/handlers/APPLICATION_COMMAND_CREATE.js
index 158033b5d..17af7d58e 100644
--- a/src/client/websocket/handlers/APPLICATION_COMMAND_CREATE.js
+++ b/src/client/websocket/handlers/APPLICATION_COMMAND_CREATE.js
@@ -12,6 +12,7 @@ module.exports = (client, { d: data }) => {
    * Emitted when a guild application command is created.
    * @event Client#applicationCommandCreate
    * @param {ApplicationCommand} command The command which was created
+   * @deprecated See {@link https://github.com/discord/discord-api-docs/issues/3690 this issue} for more information.
    */
   client.emit(Events.APPLICATION_COMMAND_CREATE, command);
 };
diff --git a/src/client/websocket/handlers/APPLICATION_COMMAND_DELETE.js b/src/client/websocket/handlers/APPLICATION_COMMAND_DELETE.js
index d046461a4..4b09274dd 100644
--- a/src/client/websocket/handlers/APPLICATION_COMMAND_DELETE.js
+++ b/src/client/websocket/handlers/APPLICATION_COMMAND_DELETE.js
@@ -14,6 +14,7 @@ module.exports = (client, { d: data }) => {
    * Emitted when a guild application command is deleted.
    * @event Client#applicationCommandDelete
    * @param {ApplicationCommand} command The command which was deleted
+   * @deprecated See {@link https://github.com/discord/discord-api-docs/issues/3690 this issue} for more information.
    */
   client.emit(Events.APPLICATION_COMMAND_DELETE, command);
 };
diff --git a/src/client/websocket/handlers/APPLICATION_COMMAND_UPDATE.js b/src/client/websocket/handlers/APPLICATION_COMMAND_UPDATE.js
index d959b503d..730d7f1e3 100644
--- a/src/client/websocket/handlers/APPLICATION_COMMAND_UPDATE.js
+++ b/src/client/websocket/handlers/APPLICATION_COMMAND_UPDATE.js
@@ -14,6 +14,7 @@ module.exports = (client, { d: data }) => {
    * @event Client#applicationCommandUpdate
    * @param {?ApplicationCommand} oldCommand The command before the update
    * @param {ApplicationCommand} newCommand The command after the update
+   * @deprecated See {@link https://github.com/discord/discord-api-docs/issues/3690 this issue} for more information.
    */
   client.emit(Events.APPLICATION_COMMAND_UPDATE, oldCommand, newCommand);
 };
diff --git a/src/util/Constants.js b/src/util/Constants.js
index f51579eda..701a1d259 100644
--- a/src/util/Constants.js
+++ b/src/util/Constants.js
@@ -128,8 +128,17 @@ exports.Events = {
   API_RESPONSE: 'apiResponse',
   API_REQUEST: 'apiRequest',
   CLIENT_READY: 'ready',
+  /**
+   * @deprecated See {@link https://github.com/discord/discord-api-docs/issues/3690 this issue} for more information.
+   */
   APPLICATION_COMMAND_CREATE: 'applicationCommandCreate',
+  /**
+   * @deprecated See {@link https://github.com/discord/discord-api-docs/issues/3690 this issue} for more information.
+   */
   APPLICATION_COMMAND_DELETE: 'applicationCommandDelete',
+  /**
+   * @deprecated See {@link https://github.com/discord/discord-api-docs/issues/3690 this issue} for more information.
+   */
   APPLICATION_COMMAND_UPDATE: 'applicationCommandUpdate',
   GUILD_CREATE: 'guildCreate',
   GUILD_DELETE: 'guildDelete',
@@ -220,9 +229,9 @@ exports.PartialTypes = keyMirror(['USER', 'CHANNEL', 'GUILD_MEMBER', 'MESSAGE',
  * The type of a WebSocket message event, e.g. `MESSAGE_CREATE`. Here are the available events:
  * * READY
  * * RESUMED
- * * APPLICATION_COMMAND_CREATE
- * * APPLICATION_COMMAND_DELETE
- * * APPLICATION_COMMAND_UPDATE
+ * * APPLICATION_COMMAND_CREATE (deprecated)
+ * * APPLICATION_COMMAND_DELETE (deprecated)
+ * * APPLICATION_COMMAND_UPDATE (deprecated)
  * * GUILD_CREATE
  * * GUILD_DELETE
  * * GUILD_UPDATE
diff --git a/typings/index.d.ts b/typings/index.d.ts
index e156f2475..619ceaff1 100644
--- a/typings/index.d.ts
+++ b/typings/index.d.ts
@@ -3556,8 +3556,11 @@ export interface ChannelWebhookCreateOptions {
 export interface ClientEvents {
   apiResponse: [request: APIRequest, response: Response];
   apiRequest: [request: APIRequest];
+  /** @deprecated See [this issue](https://github.com/discord/discord-api-docs/issues/3690) for more information. */
   applicationCommandCreate: [command: ApplicationCommand];
+  /** @deprecated See [this issue](https://github.com/discord/discord-api-docs/issues/3690) for more information. */
   applicationCommandDelete: [command: ApplicationCommand];
+  /** @deprecated See [this issue](https://github.com/discord/discord-api-docs/issues/3690) for more information. */
   applicationCommandUpdate: [oldCommand: ApplicationCommand | null, newCommand: ApplicationCommand];
   channelCreate: [channel: GuildChannel];
   channelDelete: [channel: DMChannel | GuildChannel];
@@ -3799,8 +3802,11 @@ export interface ConstantsEvents {
   API_RESPONSE: 'apiResponse';
   API_REQUEST: 'apiRequest';
   CLIENT_READY: 'ready';
+  /** @deprecated See [this issue](https://github.com/discord/discord-api-docs/issues/3690) for more information. */
   APPLICATION_COMMAND_CREATE: 'applicationCommandCreate';
+  /** @deprecated See [this issue](https://github.com/discord/discord-api-docs/issues/3690) for more information. */
   APPLICATION_COMMAND_DELETE: 'applicationCommandDelete';
+  /** @deprecated See [this issue](https://github.com/discord/discord-api-docs/issues/3690) for more information. */
   APPLICATION_COMMAND_UPDATE: 'applicationCommandUpdate';
   GUILD_CREATE: 'guildCreate';
   GUILD_DELETE: 'guildDelete';