diff --git a/packages/supertape/lib/formatter/communication.js b/packages/supertape/lib/formatter/communication.js
deleted file mode 100644
index 20d3c51..0000000
--- a/packages/supertape/lib/formatter/communication.js
+++ /dev/null
@@ -1,37 +0,0 @@
-'use strict';
-
-const {parentPort, workerData} = require('node:worker_threads');
-
-const {EventEmitter} = require('node:events');
-const process = require('node:process');
-
-const {assign} = Object;
-
-module.exports.createCommunication = () => {
-    if (parentPort)
-        return {
-            parentPort,
-            workerData,
-        };
-    
-    const newWorker = new EventEmitter();
-    const newParentPort = new EventEmitter();
-    
-    assign(newWorker, {
-        postMessage: (a) => {
-            newParentPort.emit('message', a);
-        },
-    });
-    
-    assign(newParentPort, {
-        postMessage: (a) => {
-            newWorker.emit('message', a);
-        },
-    });
-    
-    return {
-        worker: newWorker,
-        parentPort: newParentPort,
-        workerData: process.argv,
-    };
-};