diff --git a/lib/internal/bootstrap/switches/is_main_thread.js b/lib/internal/bootstrap/switches/is_main_thread.js
index 08623898edafac..d9cb5f39b6e242 100644
--- a/lib/internal/bootstrap/switches/is_main_thread.js
+++ b/lib/internal/bootstrap/switches/is_main_thread.js
@@ -1,6 +1,9 @@
 'use strict';
 
-const { ObjectDefineProperty } = primordials;
+const {
+  FunctionPrototype,
+  ObjectDefineProperty
+} = primordials;
 const rawMethods = internalBinding('process_methods');
 
 // TODO(joyeecheung): deprecate and remove these underscore methods
@@ -10,8 +13,8 @@ process._debugEnd = rawMethods._debugEnd;
 // See the discussion in https://github.com/nodejs/node/issues/19009 and
 // https://github.com/nodejs/node/pull/34010 for why these are no-ops.
 // Five word summary: they were broken beyond repair.
-process._startProfilerIdleNotifier = () => {};
-process._stopProfilerIdleNotifier = () => {};
+process._startProfilerIdleNotifier = FunctionPrototype;
+process._stopProfilerIdleNotifier = FunctionPrototype;
 
 function defineStream(name, getter) {
   ObjectDefineProperty(process, name, {