diff --git a/packages/babel-core/register.js b/packages/babel-core/register.js
index 97d35f276e..2f32d9baaf 100644
--- a/packages/babel-core/register.js
+++ b/packages/babel-core/register.js
@@ -1,3 +1 @@
-/* eslint max-len: 0 */
-// TODO: eventually deprecate this console.trace("use the `babel-register` package instead of `babel-core/register`");
-module.exports = require("babel-register");
+throw new Error("`babel-core/register` has been moved to `babel-register`.");
diff --git a/packages/babel-core/test/fixtures/browserify/register.js b/packages/babel-core/test/fixtures/browserify/register.js
index e1100b136b..21e53a30dd 100644
--- a/packages/babel-core/test/fixtures/browserify/register.js
+++ b/packages/babel-core/test/fixtures/browserify/register.js
@@ -1,3 +1,3 @@
-require("../../../register")({
+require("babel-register")({
   ignore: false
 });