diff --git a/bin/www.d.ts b/bin/www.d.ts
index 6d453531..cb0ff5c3 100644
--- a/bin/www.d.ts
+++ b/bin/www.d.ts
@@ -1 +1 @@
-import '../helpers/polyfills.js';
+export {};
diff --git a/bin/www.js b/bin/www.js
index 621ec2a7..027a970e 100644
--- a/bin/www.js
+++ b/bin/www.js
@@ -3,7 +3,6 @@ import os from 'node:os';
 import { dirname } from 'node:path';
 import { fileURLToPath } from 'node:url';
 import * as configFunctions from '../helpers/functions.config.js';
-import '../helpers/polyfills.js';
 import exitHook from 'exit-hook';
 import ntfyPublish from '@cityssm/ntfy-publish';
 import Debug from 'debug';
@@ -12,9 +11,15 @@ const directoryName = dirname(fileURLToPath(import.meta.url));
 const processCount = Math.min(configFunctions.getProperty('application.maximumProcesses'), os.cpus().length);
 debug(`Primary pid: ${process.pid}`);
 debug(`Launching ${processCount} processes`);
-cluster.setupPrimary({
+const clusterSettings = {
     exec: directoryName + '/wwwProcess.js'
-});
+};
+if (cluster.setupPrimary) {
+    cluster.setupPrimary(clusterSettings);
+}
+else {
+    cluster.setupMaster(clusterSettings);
+}
 for (let index = 0; index < processCount; index += 1) {
     cluster.fork();
 }
diff --git a/bin/www.ts b/bin/www.ts
index 90b5596b..9967a031 100644
--- a/bin/www.ts
+++ b/bin/www.ts
@@ -4,7 +4,6 @@ import { dirname } from 'node:path'
 import { fileURLToPath } from 'node:url'
 
 import * as configFunctions from '../helpers/functions.config.js'
-import '../helpers/polyfills.js'
 
 import exitHook from 'exit-hook'
 
@@ -24,9 +23,17 @@ const processCount = Math.min(
 debug(`Primary pid: ${process.pid}`)
 debug(`Launching ${processCount} processes`)
 
-cluster.setupPrimary({
+const clusterSettings = {
   exec: directoryName + '/wwwProcess.js'
-})
+}
+
+// eslint-disable-next-line @typescript-eslint/strict-boolean-expressions
+if (cluster.setupPrimary) {
+  cluster.setupPrimary(clusterSettings)
+} else {
+  // Maintain Node 14 support
+  cluster.setupMaster(clusterSettings)
+}
 
 for (let index = 0; index < processCount; index += 1) {
   cluster.fork()
diff --git a/helpers/polyfills.js b/helpers/polyfills.js
index 638a7a1c..33d23c81 100644
--- a/helpers/polyfills.js
+++ b/helpers/polyfills.js
@@ -1,4 +1,3 @@
-import cluster from 'node:cluster';
 import hasOwn from 'object.hasown';
 import Debug from 'debug';
 const debug = Debug('lot-occupancy-system:polyfills');
@@ -7,10 +6,6 @@ export function applyPolyfills() {
         debug('Applying Object.hasOwn(o, v) polyfill');
         Object.hasOwn = hasOwn;
     }
-    if (cluster.setupPrimary === undefined && cluster.setupMaster !== undefined) {
-        debug('Applying cluster.setupPrimary() polyfill');
-        cluster.setupPrimary = cluster.setupMaster;
-    }
 }
 applyPolyfills();
 export default applyPolyfills;
diff --git a/helpers/polyfills.ts b/helpers/polyfills.ts
index 57326637..97c4bc75 100644
--- a/helpers/polyfills.ts
+++ b/helpers/polyfills.ts
@@ -1,4 +1,3 @@
-import cluster from 'node:cluster'
 import hasOwn from 'object.hasown'
 
 import Debug from 'debug'
@@ -9,11 +8,6 @@ export function applyPolyfills(): void {
     debug('Applying Object.hasOwn(o, v) polyfill')
     Object.hasOwn = hasOwn
   }
-
-  if (cluster.setupPrimary === undefined && cluster.setupMaster !== undefined) {
-    debug('Applying cluster.setupPrimary() polyfill')
-    cluster.setupPrimary = cluster.setupMaster
-  }
 }
 
 applyPolyfills()