diff --git a/angular-standalone/base/angular.json b/angular-standalone/base/angular.json
index 2f56cec46..cb78098bb 100644
--- a/angular-standalone/base/angular.json
+++ b/angular-standalone/base/angular.json
@@ -95,7 +95,10 @@
           "builder": "@angular-devkit/build-angular:karma",
           "options": {
             "main": "src/test.ts",
-            "polyfills": "src/polyfills.ts",
+            "polyfills": [
+              "zone.js",
+              "zone.js/testing"
+            ],
             "tsConfig": "tsconfig.spec.json",
             "karmaConfig": "karma.conf.js",
             "inlineStyleLanguage": "scss",
diff --git a/angular-standalone/base/tsconfig.spec.json b/angular-standalone/base/tsconfig.spec.json
index 092345b02..790229a6d 100644
--- a/angular-standalone/base/tsconfig.spec.json
+++ b/angular-standalone/base/tsconfig.spec.json
@@ -9,7 +9,6 @@
   },
   "files": [
     "src/test.ts",
-    "src/polyfills.ts"
   ],
   "include": [
     "src/**/*.spec.ts",