diff --git a/packages/jest-mock/src/__tests__/index.test.ts b/packages/jest-mock/src/__tests__/index.test.ts
index 7337442c1ef6..31cee40614c8 100644
--- a/packages/jest-mock/src/__tests__/index.test.ts
+++ b/packages/jest-mock/src/__tests__/index.test.ts
@@ -6,8 +6,6 @@
  *
  */
 
-'use strict';
-
 import vm from 'vm';
 
 describe('moduleMocker', () => {
diff --git a/packages/jest-mock/src/index.ts b/packages/jest-mock/src/index.ts
index c6f041f2befa..568173d951b3 100644
--- a/packages/jest-mock/src/index.ts
+++ b/packages/jest-mock/src/index.ts
@@ -1092,4 +1092,5 @@ class ModuleMockerClass {
 }
 
 export type ModuleMocker = ModuleMockerClass;
-module.exports = new ModuleMockerClass(global);
+
+export default new ModuleMockerClass(global);