diff --git a/packages/compiler/test/i18n/integration_common.ts b/packages/compiler/test/i18n/integration_common.ts
index 65d6e6fb08..ac8cdf590d 100644
--- a/packages/compiler/test/i18n/integration_common.ts
+++ b/packages/compiler/test/i18n/integration_common.ts
@@ -19,12 +19,9 @@ import {expect} from '@angular/platform-browser/testing/src/matchers';
   template: '',
 })
 export class I18nComponent {
-  // TODO(issue/24571): remove '!'.
-  count!: number;
-  // TODO(issue/24571): remove '!'.
-  sex!: string;
-  // TODO(issue/24571): remove '!'.
-  sexB!: string;
+  count?: number;
+  sex?: string;
+  sexB?: string;
   response: any = {getItemsList: (): any[] => []};
 }