diff --git a/scripts/test-examples.js b/scripts/test-examples.js
index 75ffce751e..e32f77bfdc 100755
--- a/scripts/test-examples.js
+++ b/scripts/test-examples.js
@@ -34,13 +34,11 @@ const executeTest = (projectPath) => {
     logger.log('installing bundled version of jest-preset-angular');
     logger.log();
 
-    ['build', 'presets', 'jest-preset.js', 'package.json', 'setup-jest.js', 'setup-jest.mjs', 'setup-env'].forEach(
-        (asset) => {
-            const assetToReplace = join(projectPath, 'node_modules', 'jest-preset-angular', asset);
-            const assetToCopy = join(rootDir, asset);
-            copySync(assetToCopy, assetToReplace, {});
-        },
-    );
+    ['build', 'presets', 'jest-preset.js', 'package.json', 'setup-env'].forEach((asset) => {
+        const assetToReplace = join(projectPath, 'node_modules', 'jest-preset-angular', asset);
+        const assetToCopy = join(rootDir, asset);
+        copySync(assetToCopy, assetToReplace, {});
+    });
 
     // then we can run the tests
     const cmdLine = ['yarn', 'test'];
diff --git a/setup-jest.js b/setup-jest.js
deleted file mode 100644
index 4ac9724c84..0000000000
--- a/setup-jest.js
+++ /dev/null
@@ -1,32 +0,0 @@
-console.warn(`
-    Importing "setup-jest.js" directly is deprecated. The file "setup-jest.js" will be removed in the future.
-    Please use "setupZoneTestEnv" function instead. Example:
-
-    // setup-jest.ts
-    import { setupZoneTestEnv } from 'jest-preset-angular/setup-env/zone';
-
-    setupZoneTestEnv();
-`);
-
-require('zone.js');
-require('zone.js/testing');
-const { TextEncoder, TextDecoder } = require('util');
-
-const { getTestBed } = require('@angular/core/testing');
-const {
-    BrowserDynamicTestingModule,
-    platformBrowserDynamicTesting,
-} = require('@angular/platform-browser-dynamic/testing');
-
-if (typeof globalThis.TextEncoder === 'undefined') {
-    globalThis.TextEncoder = TextEncoder;
-    globalThis.TextDecoder = TextDecoder;
-}
-
-const testEnvironmentOptions = globalThis.ngJest?.testEnvironmentOptions ?? Object.create(null);
-
-getTestBed().initTestEnvironment(
-    [BrowserDynamicTestingModule],
-    platformBrowserDynamicTesting(),
-    testEnvironmentOptions,
-);
diff --git a/setup-jest.mjs b/setup-jest.mjs
deleted file mode 100644
index e4bd512a42..0000000000
--- a/setup-jest.mjs
+++ /dev/null
@@ -1,25 +0,0 @@
-console.warn(`
-    Importing "setup-jest.mjs" directly is deprecated. The file "setup-jest.mjs" will be removed in the future.
-    Please use "setupZoneTestEnv" function instead. Example:
-
-    // setup-jest.ts
-    import { setupZoneTestEnv } from 'jest-preset-angular/setup-env/zone/index.mjs';
-
-    setupZoneTestEnv();
-`);
-
-import 'zone.js';
-import 'zone.js/testing';
-import { TextEncoder, TextDecoder } from 'util';
-
-import { getTestBed } from '@angular/core/testing';
-import { BrowserDynamicTestingModule, platformBrowserDynamicTesting } from '@angular/platform-browser-dynamic/testing';
-
-if (typeof globalThis.TextEncoder === 'undefined') {
-    globalThis.TextEncoder = TextEncoder;
-    globalThis.TextDecoder = TextDecoder;
-}
-
-const testEnvironmentOptions = globalThis.ngJest?.testEnvironmentOptions ?? Object.create(null);
-
-getTestBed().initTestEnvironment([BrowserDynamicTestingModule], platformBrowserDynamicTesting(), testEnvironmentOptions);
diff --git a/src/config/setup-jest.spec.ts b/src/config/setup-jest.spec.ts
index 634f6fbbec..1c75c70744 100644
--- a/src/config/setup-jest.spec.ts
+++ b/src/config/setup-jest.spec.ts
@@ -64,33 +64,12 @@ describe('setup-jest', () => {
     };
 
     beforeEach(() => {
-        delete globalThis.ngJest;
         delete globalThis.TextEncoder;
         jest.clearAllMocks();
         jest.resetModules();
     });
 
     describe('for CJS setup-jest, test environment initialization', () => {
-        it('should setup test environment with setup-jest file', async () => {
-            globalThis.ngJest = {
-                testEnvironmentOptions: {
-                    teardown: {
-                        destroyAfterEach: false,
-                        rethrowErrors: true,
-                    },
-                    errorOnUnknownElements: true,
-                    errorOnUnknownProperties: true,
-                },
-            };
-
-            await import('../../setup-jest.js');
-
-            expect(globalThis.TextEncoder).toBeDefined();
-            expect(mockZoneJs).toHaveBeenCalled();
-            expect(mockZoneJsTesting).toHaveBeenCalled();
-            assertOnInitTestEnv();
-        });
-
         it('should setup test environment with setupZoneTestEnv()', async () => {
             const { setupZoneTestEnv } = await import('../../setup-env/zone/index.js');
 
@@ -130,26 +109,6 @@ describe('setup-jest', () => {
     });
 
     describe('for ESM setup-jest, test environment initialization', () => {
-        it('should setup test environment with setup-jest file', async () => {
-            globalThis.ngJest = {
-                testEnvironmentOptions: {
-                    teardown: {
-                        destroyAfterEach: false,
-                        rethrowErrors: true,
-                    },
-                    errorOnUnknownElements: true,
-                    errorOnUnknownProperties: true,
-                },
-            };
-
-            await import('../../setup-jest.mjs');
-
-            expect(globalThis.TextEncoder).toBeDefined();
-            expect(mockZoneJs).toHaveBeenCalled();
-            expect(mockZoneJsTesting).toHaveBeenCalled();
-            assertOnInitTestEnv();
-        });
-
         it('should setup test environment with setupZoneTestEnv()', async () => {
             const { setupZoneTestEnv } = await import('../../setup-env/zone/index.mjs');