diff --git a/packages/engine.io-parser/lib/index.ts b/packages/engine.io-parser/lib/index.ts
index 43c88fe8..e36b35b5 100644
--- a/packages/engine.io-parser/lib/index.ts
+++ b/packages/engine.io-parser/lib/index.ts
@@ -7,9 +7,6 @@ import {
   BinaryType,
   ERROR_PACKET,
 } from "./commons.js";
-// we can't import TransformStream as a value because it was added in Node.js v16.5.0, so it would break on older Node.js versions
-// reference: https://nodejs.org/api/webstreams.html#class-transformstream
-import type { TransformStream } from "node:stream/web";
 
 const SEPARATOR = String.fromCharCode(30); // see https://en.wikipedia.org/wiki/Delimiter#ASCII_delimited_text
 
@@ -49,8 +46,7 @@ const decodePayload = (
   return packets;
 };
 
-export function createPacketEncoderStream() {
-  // @ts-expect-error
+export function createPacketEncoderStream(): any {
   return new TransformStream({
     transform(packet: Packet, controller) {
       encodePacketToBinary(packet, (encodedPacket) => {
@@ -117,7 +113,7 @@ const enum State {
 export function createPacketDecoderStream(
   maxPayload: number,
   binaryType: BinaryType,
-) {
+): any {
   if (!TEXT_DECODER) {
     TEXT_DECODER = new TextDecoder();
   }
@@ -126,7 +122,6 @@ export function createPacketDecoderStream(
   let expectedLength = -1;
   let isBinary = false;
 
-  // @ts-expect-error
   return new TransformStream({
     transform(chunk: Uint8Array, controller) {
       chunks.push(chunk);