diff --git a/test/addons/load-long-path/test.js b/test/addons/load-long-path/test.js
index ee09230676b..7d1a37bd960 100644
--- a/test/addons/load-long-path/test.js
+++ b/test/addons/load-long-path/test.js
@@ -1,6 +1,6 @@
 'use strict';
 const common = require('../../common');
-if (common.isWOW64)
+if (common.isWindows && (process.env.PROCESSOR_ARCHITEW6432 !== undefined))
   common.skip('doesn\'t work on WOW64');
 
 const fs = require('fs');
diff --git a/test/common/README.md b/test/common/README.md
index e63c83fd806..0a2281b091b 100644
--- a/test/common/README.md
+++ b/test/common/README.md
@@ -213,11 +213,6 @@ Platform check for SunOS.
 
 Platform check for Windows.
 
-### isWOW64
-* [<boolean>]
-
-Platform check for Windows 32-bit on Windows 64-bit.
-
 ### localhostIPv4
 * [<string>]
 
diff --git a/test/common/index.js b/test/common/index.js
index e76dfcce8b0..9cbf9189690 100644
--- a/test/common/index.js
+++ b/test/common/index.js
@@ -46,7 +46,6 @@ const isMainThread = (() => {
 })();
 
 const isWindows = process.platform === 'win32';
-const isWOW64 = isWindows && (process.env.PROCESSOR_ARCHITEW6432 !== undefined);
 const isAIX = process.platform === 'aix';
 const isLinuxPPCBE = (process.platform === 'linux') &&
                      (process.arch === 'ppc64') &&
@@ -721,7 +720,6 @@ module.exports = {
   isOSX,
   isSunOS,
   isWindows,
-  isWOW64,
   localIPv6Hosts,
   mustCall,
   mustCallAsync,
diff --git a/test/common/index.mjs b/test/common/index.mjs
index bb17d9d3717..bead7333d12 100644
--- a/test/common/index.mjs
+++ b/test/common/index.mjs
@@ -5,7 +5,6 @@ import common from './index.js';
 const {
   isMainThread,
   isWindows,
-  isWOW64,
   isAIX,
   isLinuxPPCBE,
   isSunOS,
@@ -54,7 +53,6 @@ const {
 export {
   isMainThread,
   isWindows,
-  isWOW64,
   isAIX,
   isLinuxPPCBE,
   isSunOS,