diff --git a/src/compiler/transformers/module/module.ts b/src/compiler/transformers/module/module.ts
index 5f0381c7fa5..edecee9d176 100644
--- a/src/compiler/transformers/module/module.ts
+++ b/src/compiler/transformers/module/module.ts
@@ -1914,7 +1914,7 @@ var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (
 var __importStar = (this && this.__importStar) || function (mod) {
     if (mod && mod.__esModule) return mod;
     var result = {};
-    if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
+    if (mod != null) for (var k in mod) if (k !== "default" && Object.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
     __setModuleDefault(result, mod);
     return result;
 };`
diff --git a/tests/baselines/reference/esModuleInterop.js b/tests/baselines/reference/esModuleInterop.js
index 20c009e80a4..14085e89d79 100644
--- a/tests/baselines/reference/esModuleInterop.js
+++ b/tests/baselines/reference/esModuleInterop.js
@@ -35,7 +35,7 @@ var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (
 var __importStar = (this && this.__importStar) || function (mod) {
     if (mod && mod.__esModule) return mod;
     var result = {};
-    if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
+    if (mod != null) for (var k in mod) if (k !== "default" && Object.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
     __setModuleDefault(result, mod);
     return result;
 };
diff --git a/tests/baselines/reference/esModuleInteropImportCall.js b/tests/baselines/reference/esModuleInteropImportCall.js
index cb29b51cd43..d57eafba73b 100644
--- a/tests/baselines/reference/esModuleInteropImportCall.js
+++ b/tests/baselines/reference/esModuleInteropImportCall.js
@@ -26,7 +26,7 @@ var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (
 var __importStar = (this && this.__importStar) || function (mod) {
     if (mod && mod.__esModule) return mod;
     var result = {};
-    if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
+    if (mod != null) for (var k in mod) if (k !== "default" && Object.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
     __setModuleDefault(result, mod);
     return result;
 };
diff --git a/tests/baselines/reference/esModuleInteropImportNamespace.js b/tests/baselines/reference/esModuleInteropImportNamespace.js
index 8704f95b0a8..fee52b0157e 100644
--- a/tests/baselines/reference/esModuleInteropImportNamespace.js
+++ b/tests/baselines/reference/esModuleInteropImportNamespace.js
@@ -27,7 +27,7 @@ var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (
 var __importStar = (this && this.__importStar) || function (mod) {
     if (mod && mod.__esModule) return mod;
     var result = {};
-    if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
+    if (mod != null) for (var k in mod) if (k !== "default" && Object.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
     __setModuleDefault(result, mod);
     return result;
 };
diff --git a/tests/baselines/reference/esModuleInteropNamedDefaultImports.js b/tests/baselines/reference/esModuleInteropNamedDefaultImports.js
index 3d950a2d25c..f87d7fe5f24 100644
--- a/tests/baselines/reference/esModuleInteropNamedDefaultImports.js
+++ b/tests/baselines/reference/esModuleInteropNamedDefaultImports.js
@@ -45,7 +45,7 @@ var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (
 var __importStar = (this && this.__importStar) || function (mod) {
     if (mod && mod.__esModule) return mod;
     var result = {};
-    if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
+    if (mod != null) for (var k in mod) if (k !== "default" && Object.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
     __setModuleDefault(result, mod);
     return result;
 };
diff --git a/tests/baselines/reference/esModuleInteropPrettyErrorRelatedInformation.js b/tests/baselines/reference/esModuleInteropPrettyErrorRelatedInformation.js
index 556414576d1..6d05072a5bb 100644
--- a/tests/baselines/reference/esModuleInteropPrettyErrorRelatedInformation.js
+++ b/tests/baselines/reference/esModuleInteropPrettyErrorRelatedInformation.js
@@ -27,7 +27,7 @@ var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (
 var __importStar = (this && this.__importStar) || function (mod) {
     if (mod && mod.__esModule) return mod;
     var result = {};
-    if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
+    if (mod != null) for (var k in mod) if (k !== "default" && Object.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
     __setModuleDefault(result, mod);
     return result;
 };
diff --git a/tests/baselines/reference/esModuleInteropUsesExportStarWhenDefaultPlusNames.js b/tests/baselines/reference/esModuleInteropUsesExportStarWhenDefaultPlusNames.js
index 1e20e8e208c..f463275511f 100644
--- a/tests/baselines/reference/esModuleInteropUsesExportStarWhenDefaultPlusNames.js
+++ b/tests/baselines/reference/esModuleInteropUsesExportStarWhenDefaultPlusNames.js
@@ -20,7 +20,7 @@ var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (
 var __importStar = (this && this.__importStar) || function (mod) {
     if (mod && mod.__esModule) return mod;
     var result = {};
-    if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
+    if (mod != null) for (var k in mod) if (k !== "default" && Object.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
     __setModuleDefault(result, mod);
     return result;
 };
diff --git a/tests/baselines/reference/esModuleInteropWithExportStar(target=es3).js b/tests/baselines/reference/esModuleInteropWithExportStar(target=es3).js
index de77e148cdf..262cc58e281 100644
--- a/tests/baselines/reference/esModuleInteropWithExportStar(target=es3).js
+++ b/tests/baselines/reference/esModuleInteropWithExportStar(target=es3).js
@@ -29,7 +29,7 @@ var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (
 var __importStar = (this && this.__importStar) || function (mod) {
     if (mod && mod.__esModule) return mod;
     var result = {};
-    if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
+    if (mod != null) for (var k in mod) if (k !== "default" && Object.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
     __setModuleDefault(result, mod);
     return result;
 };
diff --git a/tests/baselines/reference/esModuleInteropWithExportStar(target=es5).js b/tests/baselines/reference/esModuleInteropWithExportStar(target=es5).js
index 133a175e1ad..00600c6f31c 100644
--- a/tests/baselines/reference/esModuleInteropWithExportStar(target=es5).js
+++ b/tests/baselines/reference/esModuleInteropWithExportStar(target=es5).js
@@ -29,7 +29,7 @@ var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (
 var __importStar = (this && this.__importStar) || function (mod) {
     if (mod && mod.__esModule) return mod;
     var result = {};
-    if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
+    if (mod != null) for (var k in mod) if (k !== "default" && Object.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
     __setModuleDefault(result, mod);
     return result;
 };
diff --git a/tests/baselines/reference/esModuleIntersectionCrash.js b/tests/baselines/reference/esModuleIntersectionCrash.js
index 5f1b5b2e104..b91f88929b7 100644
--- a/tests/baselines/reference/esModuleIntersectionCrash.js
+++ b/tests/baselines/reference/esModuleIntersectionCrash.js
@@ -29,7 +29,7 @@ var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (
 var __importStar = (this && this.__importStar) || function (mod) {
     if (mod && mod.__esModule) return mod;
     var result = {};
-    if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
+    if (mod != null) for (var k in mod) if (k !== "default" && Object.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
     __setModuleDefault(result, mod);
     return result;
 };
diff --git a/tests/baselines/reference/exportAsNamespace2(module=amd).js b/tests/baselines/reference/exportAsNamespace2(module=amd).js
index 17d850ee505..e166d970e94 100644
--- a/tests/baselines/reference/exportAsNamespace2(module=amd).js
+++ b/tests/baselines/reference/exportAsNamespace2(module=amd).js
@@ -47,7 +47,7 @@ var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (
 var __importStar = (this && this.__importStar) || function (mod) {
     if (mod && mod.__esModule) return mod;
     var result = {};
-    if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
+    if (mod != null) for (var k in mod) if (k !== "default" && Object.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
     __setModuleDefault(result, mod);
     return result;
 };
diff --git a/tests/baselines/reference/exportAsNamespace2(module=commonjs).js b/tests/baselines/reference/exportAsNamespace2(module=commonjs).js
index 0b0522339e1..c258c022a22 100644
--- a/tests/baselines/reference/exportAsNamespace2(module=commonjs).js
+++ b/tests/baselines/reference/exportAsNamespace2(module=commonjs).js
@@ -38,7 +38,7 @@ var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (
 var __importStar = (this && this.__importStar) || function (mod) {
     if (mod && mod.__esModule) return mod;
     var result = {};
-    if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
+    if (mod != null) for (var k in mod) if (k !== "default" && Object.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
     __setModuleDefault(result, mod);
     return result;
 };
@@ -63,7 +63,7 @@ var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (
 var __importStar = (this && this.__importStar) || function (mod) {
     if (mod && mod.__esModule) return mod;
     var result = {};
-    if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
+    if (mod != null) for (var k in mod) if (k !== "default" && Object.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
     __setModuleDefault(result, mod);
     return result;
 };
diff --git a/tests/baselines/reference/exportAsNamespace2(module=umd).js b/tests/baselines/reference/exportAsNamespace2(module=umd).js
index ce18b9cef82..5985e966afc 100644
--- a/tests/baselines/reference/exportAsNamespace2(module=umd).js
+++ b/tests/baselines/reference/exportAsNamespace2(module=umd).js
@@ -47,7 +47,7 @@ var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (
 var __importStar = (this && this.__importStar) || function (mod) {
     if (mod && mod.__esModule) return mod;
     var result = {};
-    if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
+    if (mod != null) for (var k in mod) if (k !== "default" && Object.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
     __setModuleDefault(result, mod);
     return result;
 };
@@ -82,7 +82,7 @@ var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (
 var __importStar = (this && this.__importStar) || function (mod) {
     if (mod && mod.__esModule) return mod;
     var result = {};
-    if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
+    if (mod != null) for (var k in mod) if (k !== "default" && Object.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
     __setModuleDefault(result, mod);
     return result;
 };
diff --git a/tests/baselines/reference/exportAsNamespace3(module=amd).js b/tests/baselines/reference/exportAsNamespace3(module=amd).js
index 7c321cb3933..ce2bc8d8a7a 100644
--- a/tests/baselines/reference/exportAsNamespace3(module=amd).js
+++ b/tests/baselines/reference/exportAsNamespace3(module=amd).js
@@ -53,7 +53,7 @@ var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (
 var __importStar = (this && this.__importStar) || function (mod) {
     if (mod && mod.__esModule) return mod;
     var result = {};
-    if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
+    if (mod != null) for (var k in mod) if (k !== "default" && Object.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
     __setModuleDefault(result, mod);
     return result;
 };
diff --git a/tests/baselines/reference/exportAsNamespace3(module=commonjs).js b/tests/baselines/reference/exportAsNamespace3(module=commonjs).js
index 37ce48850f5..a8c3811ae59 100644
--- a/tests/baselines/reference/exportAsNamespace3(module=commonjs).js
+++ b/tests/baselines/reference/exportAsNamespace3(module=commonjs).js
@@ -41,7 +41,7 @@ var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (
 var __importStar = (this && this.__importStar) || function (mod) {
     if (mod && mod.__esModule) return mod;
     var result = {};
-    if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
+    if (mod != null) for (var k in mod) if (k !== "default" && Object.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
     __setModuleDefault(result, mod);
     return result;
 };
@@ -69,7 +69,7 @@ var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (
 var __importStar = (this && this.__importStar) || function (mod) {
     if (mod && mod.__esModule) return mod;
     var result = {};
-    if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
+    if (mod != null) for (var k in mod) if (k !== "default" && Object.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
     __setModuleDefault(result, mod);
     return result;
 };
diff --git a/tests/baselines/reference/exportAsNamespace3(module=umd).js b/tests/baselines/reference/exportAsNamespace3(module=umd).js
index 8cd52471477..89c8e733974 100644
--- a/tests/baselines/reference/exportAsNamespace3(module=umd).js
+++ b/tests/baselines/reference/exportAsNamespace3(module=umd).js
@@ -50,7 +50,7 @@ var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (
 var __importStar = (this && this.__importStar) || function (mod) {
     if (mod && mod.__esModule) return mod;
     var result = {};
-    if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
+    if (mod != null) for (var k in mod) if (k !== "default" && Object.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
     __setModuleDefault(result, mod);
     return result;
 };
@@ -88,7 +88,7 @@ var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (
 var __importStar = (this && this.__importStar) || function (mod) {
     if (mod && mod.__esModule) return mod;
     var result = {};
-    if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
+    if (mod != null) for (var k in mod) if (k !== "default" && Object.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
     __setModuleDefault(result, mod);
     return result;
 };
diff --git a/tests/baselines/reference/exportAsNamespace_exportAssignment.js b/tests/baselines/reference/exportAsNamespace_exportAssignment.js
index 36e08b627da..08dce502bf4 100644
--- a/tests/baselines/reference/exportAsNamespace_exportAssignment.js
+++ b/tests/baselines/reference/exportAsNamespace_exportAssignment.js
@@ -27,7 +27,7 @@ var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (
 var __importStar = (this && this.__importStar) || function (mod) {
     if (mod && mod.__esModule) return mod;
     var result = {};
-    if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
+    if (mod != null) for (var k in mod) if (k !== "default" && Object.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
     __setModuleDefault(result, mod);
     return result;
 };
diff --git a/tests/baselines/reference/exportDefault.js b/tests/baselines/reference/exportDefault.js
index ba61dc3d48f..c02053175da 100644
--- a/tests/baselines/reference/exportDefault.js
+++ b/tests/baselines/reference/exportDefault.js
@@ -59,7 +59,7 @@ var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (
 var __importStar = (this && this.__importStar) || function (mod) {
     if (mod && mod.__esModule) return mod;
     var result = {};
-    if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
+    if (mod != null) for (var k in mod) if (k !== "default" && Object.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
     __setModuleDefault(result, mod);
     return result;
 };
@@ -92,7 +92,7 @@ var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (
 var __importStar = (this && this.__importStar) || function (mod) {
     if (mod && mod.__esModule) return mod;
     var result = {};
-    if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
+    if (mod != null) for (var k in mod) if (k !== "default" && Object.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
     __setModuleDefault(result, mod);
     return result;
 };
diff --git a/tests/baselines/reference/importEquals1.js b/tests/baselines/reference/importEquals1.js
index 3b4dfd176d5..099c6c4221b 100644
--- a/tests/baselines/reference/importEquals1.js
+++ b/tests/baselines/reference/importEquals1.js
@@ -58,7 +58,7 @@ var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (
 var __importStar = (this && this.__importStar) || function (mod) {
     if (mod && mod.__esModule) return mod;
     var result = {};
-    if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
+    if (mod != null) for (var k in mod) if (k !== "default" && Object.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
     __setModuleDefault(result, mod);
     return result;
 };
diff --git a/tests/baselines/reference/importEquals2.js b/tests/baselines/reference/importEquals2.js
index a96a14a6514..43f05ceea40 100644
--- a/tests/baselines/reference/importEquals2.js
+++ b/tests/baselines/reference/importEquals2.js
@@ -38,7 +38,7 @@ var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (
 var __importStar = (this && this.__importStar) || function (mod) {
     if (mod && mod.__esModule) return mod;
     var result = {};
-    if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
+    if (mod != null) for (var k in mod) if (k !== "default" && Object.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
     __setModuleDefault(result, mod);
     return result;
 };
diff --git a/tests/baselines/reference/tsbuild/sample1/incremental-declaration-changes/when-esModuleInterop-option-changes.js b/tests/baselines/reference/tsbuild/sample1/incremental-declaration-changes/when-esModuleInterop-option-changes.js
index ac73290258c..a5387d98d5e 100644
--- a/tests/baselines/reference/tsbuild/sample1/incremental-declaration-changes/when-esModuleInterop-option-changes.js
+++ b/tests/baselines/reference/tsbuild/sample1/incremental-declaration-changes/when-esModuleInterop-option-changes.js
@@ -34,7 +34,7 @@ var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (
 var __importStar = (this && this.__importStar) || function (mod) {
     if (mod && mod.__esModule) return mod;
     var result = {};
-    if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
+    if (mod != null) for (var k in mod) if (k !== "default" && Object.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
     __setModuleDefault(result, mod);
     return result;
 };