diff --git a/src/structures/interfaces/TextBasedChannel.js b/src/structures/interfaces/TextBasedChannel.js
index 554421b..d19c439 100644
--- a/src/structures/interfaces/TextBasedChannel.js
+++ b/src/structures/interfaces/TextBasedChannel.js
@@ -287,7 +287,7 @@ class TextBasedChannel {
    * @param {Collection<Snowflake, Message>|MessageResolvable[]|number} messages
    * Messages or number of messages to delete
    * @param {boolean} [filterOld=false] Filter messages to remove those which are older than two weeks automatically
-   * @returns {Promise<Collection<Snowflake, Message>>} Returns the deleted messages
+   * @returns {Promise<Collection<Snowflake, Message|undefined>>} Returns the deleted messages
    * @example
    * // Bulk delete messages
    * channel.bulkDelete(5)
diff --git a/typings/index.d.ts b/typings/index.d.ts
index bf60474..ad7f0f1 100644
--- a/typings/index.d.ts
+++ b/typings/index.d.ts
@@ -3975,7 +3975,7 @@ export interface TextBasedChannelFields extends PartialTextBasedChannelFields {
   bulkDelete(
     messages: Collection<Snowflake, Message> | readonly MessageResolvable[] | number,
     filterOld?: boolean,
-  ): Promise<Collection<Snowflake, Message>>;
+  ): Promise<Collection<Snowflake, Message | PartialMessage | undefined>>;
   createMessageComponentCollector<T extends MessageComponentTypeResolvable = 'ACTION_ROW'>(
     options?: MessageChannelCollectorOptionsParams<T, true>,
   ): InteractionCollector<MappedInteractionTypes[T]>;