diff --git a/packages/core/testing/src/before_each.ts b/packages/core/testing/src/before_each.ts
index f438935169..42425bfc66 100644
--- a/packages/core/testing/src/before_each.ts
+++ b/packages/core/testing/src/before_each.ts
@@ -26,7 +26,3 @@ if (_global.beforeEach) {
     resetFakeAsyncZone();
   });
 }
-
-// TODO(juliemr): remove this, only used because we need to export something to have compilation
-// work.
-export const __core_private_testing_placeholder__ = '';