diff --git a/modules/testing/builder/projects/hello-world-app/angular.json b/modules/testing/builder/projects/hello-world-app/angular.json
index 799af4a7f63e..95607701be8f 100644
--- a/modules/testing/builder/projects/hello-world-app/angular.json
+++ b/modules/testing/builder/projects/hello-world-app/angular.json
@@ -178,7 +178,7 @@
       "projectType": "application",
       "targets": {
         "e2e": {
-          "builder": "@angular-devkit/build-angular:protractor",
+          "builder": "@angular-devkit/build-angular:private-protractor",
           "options": {
             "protractorConfig": "protractor.conf.js",
             "devServerTarget": "app:serve",
diff --git a/packages/angular/cli/lib/config/workspace-schema.json b/packages/angular/cli/lib/config/workspace-schema.json
index 650ae3ae18f2..dce8ecfec6fa 100644
--- a/packages/angular/cli/lib/config/workspace-schema.json
+++ b/packages/angular/cli/lib/config/workspace-schema.json
@@ -368,7 +368,6 @@
                       "@angular-devkit/build-angular:prerender",
                       "@angular-devkit/build-angular:jest",
                       "@angular-devkit/build-angular:web-test-runner",
-                      "@angular-devkit/build-angular:protractor",
                       "@angular-devkit/build-angular:server",
                       "@angular-devkit/build-angular:ssr-dev-server"
                     ]
@@ -656,28 +655,6 @@
                 }
               }
             },
-            {
-              "type": "object",
-              "additionalProperties": false,
-              "properties": {
-                "builder": {
-                  "const": "@angular-devkit/build-angular:protractor"
-                },
-                "defaultConfiguration": {
-                  "type": "string",
-                  "description": "A default named configuration to use when a target configuration is not provided."
-                },
-                "options": {
-                  "$ref": "../../../../angular_devkit/build_angular/src/builders/protractor/schema.json"
-                },
-                "configurations": {
-                  "type": "object",
-                  "additionalProperties": {
-                    "$ref": "../../../../angular_devkit/build_angular/src/builders/protractor/schema.json"
-                  }
-                }
-              }
-            },
             {
               "type": "object",
               "additionalProperties": false,
diff --git a/packages/angular_devkit/build_angular/builders.json b/packages/angular_devkit/build_angular/builders.json
index 5f76fa25d471..9141cdf94f2f 100644
--- a/packages/angular_devkit/build_angular/builders.json
+++ b/packages/angular_devkit/build_angular/builders.json
@@ -42,10 +42,10 @@
       "schema": "./src/builders/web-test-runner/schema.json",
       "description": "Run unit tests with Web Test Runner."
     },
-    "protractor": {
+    "private-protractor": {
       "implementation": "./src/builders/protractor",
       "schema": "./src/builders/protractor/schema.json",
-      "description": "Run protractor over a dev server."
+      "description": "PRIVATE API - Do not use."
     },
     "server": {
       "implementation": "./src/builders/server",
diff --git a/packages/angular_devkit/core/src/workspace/json/test/angular.json b/packages/angular_devkit/core/src/workspace/json/test/angular.json
index f71726e4aba1..94800e0dfa56 100644
--- a/packages/angular_devkit/core/src/workspace/json/test/angular.json
+++ b/packages/angular_devkit/core/src/workspace/json/test/angular.json
@@ -111,7 +111,7 @@
       "prefix": "",
       "architect": {
         "e2e": {
-          "builder": "@angular-devkit/build-angular:protractor",
+          "builder": "@angular-devkit/build-angular:private-protractor",
           "options": {
             "protractorConfig": "e2e/protractor.conf.js",
             "devServerTarget": "my-app:serve"
diff --git a/packages/angular_devkit/core/src/workspace/json/test/cases/AddProject2.json b/packages/angular_devkit/core/src/workspace/json/test/cases/AddProject2.json
index 7c2dd6785183..5ae73ae1eff6 100644
--- a/packages/angular_devkit/core/src/workspace/json/test/cases/AddProject2.json
+++ b/packages/angular_devkit/core/src/workspace/json/test/cases/AddProject2.json
@@ -111,7 +111,7 @@
       "prefix": "",
       "architect": {
         "e2e": {
-          "builder": "@angular-devkit/build-angular:protractor",
+          "builder": "@angular-devkit/build-angular:private-protractor",
           "options": {
             "protractorConfig": "e2e/protractor.conf.js",
             "devServerTarget": "my-app:serve"
diff --git a/packages/angular_devkit/core/src/workspace/json/test/cases/AddProject3.json b/packages/angular_devkit/core/src/workspace/json/test/cases/AddProject3.json
index f025b8ffc0bd..6198c97007a0 100644
--- a/packages/angular_devkit/core/src/workspace/json/test/cases/AddProject3.json
+++ b/packages/angular_devkit/core/src/workspace/json/test/cases/AddProject3.json
@@ -111,7 +111,7 @@
       "prefix": "",
       "architect": {
         "e2e": {
-          "builder": "@angular-devkit/build-angular:protractor",
+          "builder": "@angular-devkit/build-angular:private-protractor",
           "options": {
             "protractorConfig": "e2e/protractor.conf.js",
             "devServerTarget": "my-app:serve"
diff --git a/packages/angular_devkit/core/src/workspace/json/test/cases/ProjectAddTarget.json b/packages/angular_devkit/core/src/workspace/json/test/cases/ProjectAddTarget.json
index 96cc5437c042..1fdf8eeec7ed 100644
--- a/packages/angular_devkit/core/src/workspace/json/test/cases/ProjectAddTarget.json
+++ b/packages/angular_devkit/core/src/workspace/json/test/cases/ProjectAddTarget.json
@@ -114,7 +114,7 @@
       "prefix": "",
       "architect": {
         "e2e": {
-          "builder": "@angular-devkit/build-angular:protractor",
+          "builder": "@angular-devkit/build-angular:private-protractor",
           "options": {
             "protractorConfig": "e2e/protractor.conf.js",
             "devServerTarget": "my-app:serve"
diff --git a/packages/angular_devkit/core/src/workspace/json/test/cases/ProjectDeleteTarget.json b/packages/angular_devkit/core/src/workspace/json/test/cases/ProjectDeleteTarget.json
index 810ed7dc1f4e..81804c2f04b5 100644
--- a/packages/angular_devkit/core/src/workspace/json/test/cases/ProjectDeleteTarget.json
+++ b/packages/angular_devkit/core/src/workspace/json/test/cases/ProjectDeleteTarget.json
@@ -105,7 +105,7 @@
       "prefix": "",
       "architect": {
         "e2e": {
-          "builder": "@angular-devkit/build-angular:protractor",
+          "builder": "@angular-devkit/build-angular:private-protractor",
           "options": {
             "protractorConfig": "e2e/protractor.conf.js",
             "devServerTarget": "my-app:serve"
diff --git a/packages/angular_devkit/core/src/workspace/json/test/cases/ProjectModifyProperties.json b/packages/angular_devkit/core/src/workspace/json/test/cases/ProjectModifyProperties.json
index a1628aafec9e..1debd9ed6e6b 100644
--- a/packages/angular_devkit/core/src/workspace/json/test/cases/ProjectModifyProperties.json
+++ b/packages/angular_devkit/core/src/workspace/json/test/cases/ProjectModifyProperties.json
@@ -111,7 +111,7 @@
       "prefix": "",
       "architect": {
         "e2e": {
-          "builder": "@angular-devkit/build-angular:protractor",
+          "builder": "@angular-devkit/build-angular:private-protractor",
           "options": {
             "protractorConfig": "e2e/protractor.conf.js",
             "devServerTarget": "my-app:serve"
diff --git a/packages/angular_devkit/core/src/workspace/json/test/cases/ProjectSetProperties.json b/packages/angular_devkit/core/src/workspace/json/test/cases/ProjectSetProperties.json
index 21bf85ba9544..9e2bfb88483c 100644
--- a/packages/angular_devkit/core/src/workspace/json/test/cases/ProjectSetProperties.json
+++ b/packages/angular_devkit/core/src/workspace/json/test/cases/ProjectSetProperties.json
@@ -112,7 +112,7 @@
       "prefix": "",
       "architect": {
         "e2e": {
-          "builder": "@angular-devkit/build-angular:protractor",
+          "builder": "@angular-devkit/build-angular:private-protractor",
           "options": {
             "protractorConfig": "e2e/protractor.conf.js",
             "devServerTarget": "my-app:serve"
diff --git a/packages/schematics/angular/collection.json b/packages/schematics/angular/collection.json
index f4def2da5a43..5f691819544f 100755
--- a/packages/schematics/angular/collection.json
+++ b/packages/schematics/angular/collection.json
@@ -23,10 +23,10 @@
       "schema": "./application/schema.json",
       "description": "Create an Angular application."
     },
-    "e2e": {
+    "private-e2e": {
       "factory": "./e2e",
       "schema": "./e2e/schema.json",
-      "description": "Create an Angular e2e application.",
+      "description": "PRIVATE API - Do not use.",
       "hidden": true
     },
     "class": {
diff --git a/packages/schematics/angular/e2e/index_spec.ts b/packages/schematics/angular/e2e/index_spec.ts
index 8b01761346b2..e04e4ca177b5 100644
--- a/packages/schematics/angular/e2e/index_spec.ts
+++ b/packages/schematics/angular/e2e/index_spec.ts
@@ -49,7 +49,7 @@ describe('Application Schematic', () => {
   });
 
   it('should create all files of e2e in an application', async () => {
-    const tree = await schematicRunner.runSchematic('e2e', defaultOptions, applicationTree);
+    const tree = await schematicRunner.runSchematic('private-e2e', defaultOptions, applicationTree);
 
     const files = tree.files;
     expect(files).toEqual(
@@ -64,7 +64,11 @@ describe('Application Schematic', () => {
 
   describe('workspace config', () => {
     it('should add e2e targets for the app', async () => {
-      const tree = await schematicRunner.runSchematic('e2e', defaultOptions, applicationTree);
+      const tree = await schematicRunner.runSchematic(
+        'private-e2e',
+        defaultOptions,
+        applicationTree,
+      );
 
       const workspace = JSON.parse(tree.readContent('/angular.json'));
       const targets = workspace.projects.foo.architect;
@@ -72,7 +76,11 @@ describe('Application Schematic', () => {
     });
 
     it('should set the e2e options', async () => {
-      const tree = await schematicRunner.runSchematic('e2e', defaultOptions, applicationTree);
+      const tree = await schematicRunner.runSchematic(
+        'private-e2e',
+        defaultOptions,
+        applicationTree,
+      );
 
       const workspace = JSON.parse(tree.readContent('/angular.json'));
       const { options, configurations } = workspace.projects.foo.architect.e2e;
@@ -82,7 +90,7 @@ describe('Application Schematic', () => {
   });
 
   it('should add an e2e script in package.json', async () => {
-    const tree = await schematicRunner.runSchematic('e2e', defaultOptions, applicationTree);
+    const tree = await schematicRunner.runSchematic('private-e2e', defaultOptions, applicationTree);
 
     const pkg = JSON.parse(tree.readContent('/package.json'));
     expect(pkg.scripts['e2e']).toBe('ng e2e');
diff --git a/packages/schematics/angular/utility/workspace-models.ts b/packages/schematics/angular/utility/workspace-models.ts
index 49330e29e2bd..41c41345f736 100644
--- a/packages/schematics/angular/utility/workspace-models.ts
+++ b/packages/schematics/angular/utility/workspace-models.ts
@@ -30,7 +30,7 @@ export enum Builders {
   NgPackagr = '@angular-devkit/build-angular:ng-packagr',
   DevServer = '@angular-devkit/build-angular:dev-server',
   ExtractI18n = '@angular-devkit/build-angular:extract-i18n',
-  Protractor = '@angular-devkit/build-angular:protractor',
+  Protractor = '@angular-devkit/build-angular:private-protractor',
   BuildApplication = '@angular/build:application',
 }
 
diff --git a/tests/legacy-cli/e2e/tests/build/jit-ngmodule.ts b/tests/legacy-cli/e2e/tests/build/jit-ngmodule.ts
index 2c13255bb17f..a66311f0e27f 100644
--- a/tests/legacy-cli/e2e/tests/build/jit-ngmodule.ts
+++ b/tests/legacy-cli/e2e/tests/build/jit-ngmodule.ts
@@ -4,7 +4,7 @@ import { updateJsonFile, useCIChrome, useCIDefaults } from '../../utils/project'
 
 export default async function () {
   await ng('generate', 'app', 'test-project-two', '--no-standalone', '--skip-install');
-  await ng('generate', 'e2e', '--related-app-name=test-project-two');
+  await ng('generate', 'private-e2e', '--related-app-name=test-project-two');
 
   // Setup testing to use CI Chrome.
   await useCIChrome('test-project-two', './projects/test-project-two/e2e');
diff --git a/tests/legacy-cli/e2e/tests/build/server-rendering/express-engine-ngmodule.ts b/tests/legacy-cli/e2e/tests/build/server-rendering/express-engine-ngmodule.ts
index 67b003fab334..6cb4d9e15ed2 100644
--- a/tests/legacy-cli/e2e/tests/build/server-rendering/express-engine-ngmodule.ts
+++ b/tests/legacy-cli/e2e/tests/build/server-rendering/express-engine-ngmodule.ts
@@ -16,7 +16,7 @@ export default async function () {
   await rimraf('node_modules/@angular/ssr');
 
   await ng('generate', 'app', 'test-project-two', '--no-standalone', '--skip-install');
-  await ng('generate', 'e2e', '--related-app-name=test-project-two');
+  await ng('generate', 'private-e2e', '--related-app-name=test-project-two');
 
   // Setup testing to use CI Chrome.
   await useCIChrome('test-project-two', 'projects/test-project-two/e2e/');
diff --git a/tests/legacy-cli/e2e/tests/update/update.ts b/tests/legacy-cli/e2e/tests/update/update.ts
index b6f3bdda5754..2e4317023a81 100644
--- a/tests/legacy-cli/e2e/tests/update/update.ts
+++ b/tests/legacy-cli/e2e/tests/update/update.ts
@@ -72,7 +72,7 @@ export default async function () {
   await ng('update', '@angular/cli', ...extraUpdateArgs);
 
   // Generate E2E setup
-  await ng('generate', 'e2e', '--related-app-name=fifteen-project');
+  await ng('generate', 'private-e2e', '--related-app-name=fifteen-project');
 
   // Setup testing to use CI Chrome.
   await useCIChrome('fifteen-project', './');
diff --git a/tests/legacy-cli/e2e/utils/project.ts b/tests/legacy-cli/e2e/utils/project.ts
index 24316ed954c5..99a2958ceb4f 100644
--- a/tests/legacy-cli/e2e/utils/project.ts
+++ b/tests/legacy-cli/e2e/utils/project.ts
@@ -51,7 +51,7 @@ export async function prepareProjectForE2e(name: string) {
 
   console.log(`Project ${name} created... Installing packages.`);
   await installWorkspacePackages();
-  await ng('generate', 'e2e', '--related-app-name', name);
+  await ng('generate', 'private-e2e', '--related-app-name', name);
 
   await useCIChrome(name, 'e2e');
   await useCIChrome(name, '');