diff --git a/benchmark/websocket/simple.js b/benchmark/websocket/simple.js
index 1147602a7b1ea7..982f6bc83338e2 100644
--- a/benchmark/websocket/simple.js
+++ b/benchmark/websocket/simple.js
@@ -3,7 +3,6 @@
 const common = require('../common.js');
 const crypto = require('crypto');
 const http = require('http');
-const { WebSocket } = require('../../deps/undici/undici');
 
 const GUID = '258EAFA5-E914-47DA-95CA-C5AB0DC85B11';
 
diff --git a/test/common/index.js b/test/common/index.js
index 2ac981608b4e92..74e583603fda3b 100644
--- a/test/common/index.js
+++ b/test/common/index.js
@@ -369,9 +369,6 @@ if (global.ReadableStream) {
     global.DecompressionStream,
   );
 }
-if (global.WebSocket) {
-  knownGlobals.push(WebSocket);
-}
 
 function allowGlobals(...allowlist) {
   knownGlobals = knownGlobals.concat(allowlist);