diff --git a/scripts/check-entry-point-setup.js b/scripts/check-entry-point-setup.js
index 15c5c7f1e327..96782f9081be 100644
--- a/scripts/check-entry-point-setup.js
+++ b/scripts/check-entry-point-setup.js
@@ -21,7 +21,13 @@ const packagesDir = join(__dirname, '../src');
  * Globs that matches directories which should never be considered
  * as entry-points.
  */
-const excludeGlobs = ['cdk/testing/private', '*/schematics/**'];
+const excludeGlobs = [
+  'cdk/testing/private',
+  '*/schematics/**',
+  // The protractor testing entry-point is no longer publicly available,
+  // but exists in the repository until it can be removed in g3.
+  'cdk/testing/protractor',
+];
 
 /** List of detected entry-points which are not properly configured. */
 const nonConfigured = [];
diff --git a/src/cdk/config.bzl b/src/cdk/config.bzl
index 583a9e317e07..ba749f162c2d 100644
--- a/src/cdk/config.bzl
+++ b/src/cdk/config.bzl
@@ -19,7 +19,6 @@ CDK_ENTRYPOINTS = [
     "text-field",
     "tree",
     "testing",
-    "testing/protractor",
     "testing/testbed",
     "testing/selenium-webdriver",
 ]
diff --git a/src/cdk/testing/protractor/README.md b/src/cdk/testing/protractor/README.md
new file mode 100644
index 000000000000..2df7d650ee89
--- /dev/null
+++ b/src/cdk/testing/protractor/README.md
@@ -0,0 +1,4 @@
+### No longer publicly available
+
+The protractor harness environment is no longer part of the public API. It was
+deprecated in v12 and removed from the API in v14.