diff --git a/packages/discord.js/src/index.js b/packages/discord.js/src/index.js
index 2f99e0e7c..8fc4eeadf 100644
--- a/packages/discord.js/src/index.js
+++ b/packages/discord.js/src/index.js
@@ -1,10 +1,7 @@
 'use strict';
 
-const { polyfillDispose } = require('@discordjs/util');
 const { __exportStar } = require('tslib');
 
-polyfillDispose();
-
 // "Root" classes (starting points)
 exports.BaseClient = require('./client/BaseClient.js').BaseClient;
 exports.Client = require('./client/Client.js').Client;
diff --git a/packages/util/src/functions/index.ts b/packages/util/src/functions/index.ts
index 4c4c67ae5..6010ae554 100644
--- a/packages/util/src/functions/index.ts
+++ b/packages/util/src/functions/index.ts
@@ -3,4 +3,3 @@ export * from './range.js';
 export * from './calculateShardId.js';
 export * from './runtime.js';
 export * from './userAgentAppendix.js';
-export * from './polyfillDispose.js';
diff --git a/packages/util/src/functions/polyfillDispose.ts b/packages/util/src/functions/polyfillDispose.ts
deleted file mode 100644
index 8f3977ceb..000000000
--- a/packages/util/src/functions/polyfillDispose.ts
+++ /dev/null
@@ -1,14 +0,0 @@
-/**
- * Polyfill for `Symbol.dispose` and `Symbol.asyncDispose` which is used as a part of
- * {@link https://github.com/tc39/proposal-explicit-resource-management}. Node versions below 18.x
- * don't have these symbols by default, so we need to polyfill them.
- */
-export function polyfillDispose() {
-	// Polyfill for `Symbol.dispose` and `Symbol.asyncDispose` if not available.
-	// Taken from https://www.typescriptlang.org/docs/handbook/release-notes/typescript-5-2.html#using-declarations-and-explicit-resource-management
-
-	// @ts-expect-error This is a polyfill, so it's fine to write
-	Symbol.dispose ??= Symbol('Symbol.dispose');
-	// @ts-expect-error Same as above
-	Symbol.asyncDispose ??= Symbol('Symbol.asyncDispose');
-}
diff --git a/packages/ws/src/ws/WebSocketManager.ts b/packages/ws/src/ws/WebSocketManager.ts
index ba73b43be..0b6c714dc 100644
--- a/packages/ws/src/ws/WebSocketManager.ts
+++ b/packages/ws/src/ws/WebSocketManager.ts
@@ -1,6 +1,5 @@
 import type { REST } from '@discordjs/rest';
 import { range, type Awaitable } from '@discordjs/util';
-import { polyfillDispose } from '@discordjs/util';
 import { AsyncEventEmitter } from '@vladfrangu/async_event_emitter';
 import {
 	Routes,
@@ -18,9 +17,6 @@ import type { IIdentifyThrottler } from '../throttling/IIdentifyThrottler.js';
 import { DefaultWebSocketManagerOptions, type CompressionMethod, type Encoding } from '../utils/constants.js';
 import type { WebSocketShardDestroyOptions, WebSocketShardEvents } from './WebSocketShard.js';
 
-// We put this here because in index.ts WebSocketManager seems to be outputted before polyfillDispose() is called from tsup.
-polyfillDispose();
-
 /**
  * Represents a range of shard ids
  */