diff --git a/lib/dispatcher/client-h1.js b/lib/dispatcher/client-h1.js
index ddae9831289..92fe69ac540 100644
--- a/lib/dispatcher/client-h1.js
+++ b/lib/dispatcher/client-h1.js
@@ -60,12 +60,12 @@ const removeAllListeners = util.removeAllListeners
 
 let extractBody
 
-async function lazyllhttp () {
+function lazyllhttp () {
   const llhttpWasmData = process.env.JEST_WORKER_ID ? require('../llhttp/llhttp-wasm.js') : undefined
 
   let mod
   try {
-    mod = await WebAssembly.compile(require('../llhttp/llhttp_simd-wasm.js'))
+    mod = new WebAssembly.Module(require('../llhttp/llhttp_simd-wasm.js'))
   } catch (e) {
     /* istanbul ignore next */
 
@@ -73,10 +73,10 @@ async function lazyllhttp () {
     // being enabled, but the occurring of this other error
     // * https://github.com/emscripten-core/emscripten/issues/11495
     // got me to remove that check to avoid breaking Node 12.
-    mod = await WebAssembly.compile(llhttpWasmData || require('../llhttp/llhttp-wasm.js'))
+    mod = new WebAssembly.Module(llhttpWasmData || require('../llhttp/llhttp-wasm.js'))
   }
 
-  return await WebAssembly.instantiate(mod, {
+  return new WebAssembly.Instance(mod, {
     env: {
       /**
        * @param {number} p
@@ -165,11 +165,6 @@ async function lazyllhttp () {
 }
 
 let llhttpInstance = null
-/**
- * @type {Promise<WebAssembly.Instance>|null}
- */
-let llhttpPromise = lazyllhttp()
-llhttpPromise.catch()
 
 /**
  * @type {Parser|null}
@@ -769,11 +764,7 @@ async function connectH1 (client, socket) {
   client[kSocket] = socket
 
   if (!llhttpInstance) {
-    const noop = () => {}
-    socket.on('error', noop)
-    llhttpInstance = await llhttpPromise
-    llhttpPromise = null
-    socket.off('error', noop)
+    llhttpInstance = lazyllhttp()
   }
 
   if (socket.errored) {