diff --git a/src/Admin/elf-admin/src/environments/environment.ts b/src/Admin/elf-admin/src/environments/environment.ts
index 619748ef..0031b3ab 100644
--- a/src/Admin/elf-admin/src/environments/environment.ts
+++ b/src/Admin/elf-admin/src/environments/environment.ts
@@ -10,12 +10,3 @@ export const environment = {
   applicationIdUri: window["env"]["applicationIdUri"] || "api://elf",
   applicationInsightKey: window["env"]["elfApiBaseUrl"] || '00000000-0000-0000-0000-000000000000'
 };
-
-/*
- * For easier debugging in development mode, you can import the following file
- * to ignore zone related error stack frames such as `zone.run`, `zoneDelegate.invokeTask`.
- *
- * This import should be commented out in production mode because it will have a negative impact
- * on performance if an error is thrown.
- */
-// import 'zone.js/plugins/zone-error';  // Included with Angular CLI.