diff --git a/internals/make-built-in.js b/internals/make-built-in.js
index 5743098512709bd30083b9c1c7c2b4271a248238..edd8cbfd0a59ad050435642bf57ebb0305545ab5 100644
--- a/internals/make-built-in.js
+++ b/internals/make-built-in.js
@@ -50,6 +50,6 @@ var makeBuiltIn = module.exports = function (value, name, options) {
 
 // add fake Function#toString for correct work wrapped methods / constructors with methods like LoDash isNative
 // eslint-disable-next-line no-extend-native -- required
-Function.prototype.toString = makeBuiltIn(function toString() {
-  return isCallable(this) && getInternalState(this).source || inspectSource(this);
-}, 'toString');
+// Function.prototype.toString = makeBuiltIn(function toString() {
+//   return isCallable(this) && getInternalState(this).source || inspectSource(this);
+// }, 'toString');