diff --git a/src/app/item-page/bitstreams/request-a-copy/bitstream-request-a-copy-page.component.html b/src/app/item-page/bitstreams/request-a-copy/bitstream-request-a-copy-page.component.html
index 1f39afbdcf..38b144b442 100644
--- a/src/app/item-page/bitstreams/request-a-copy/bitstream-request-a-copy-page.component.html
+++ b/src/app/item-page/bitstreams/request-a-copy/bitstream-request-a-copy-page.component.html
@@ -86,8 +86,8 @@
 
   <!-- Captcha - to be rendered only if enabled in backend requestitem.cfg -->
   @if (!!(captchaEnabled$ | async)) {
-    <div *ngVar="challengeHref$ | async as href">
-      <ds-altcha-captcha autoload="onload" challengeUrl="{{ href }}" (payload)="handlePayload($event)">
+    <div>
+      <ds-altcha-captcha autoload="onload" challengeUrl="{{ challengeHref$ | async }}" (payload)="handlePayload($event)">
       </ds-altcha-captcha>
     </div>
   }
diff --git a/src/app/item-page/bitstreams/request-a-copy/bitstream-request-a-copy-page.component.ts b/src/app/item-page/bitstreams/request-a-copy/bitstream-request-a-copy-page.component.ts
index 9d4975f9bb..23dd76d4ef 100644
--- a/src/app/item-page/bitstreams/request-a-copy/bitstream-request-a-copy-page.component.ts
+++ b/src/app/item-page/bitstreams/request-a-copy/bitstream-request-a-copy-page.component.ts
@@ -1,5 +1,3 @@
-import 'altcha';
-
 import {
   AsyncPipe,
   Location,
@@ -65,7 +63,6 @@ import {
   isNotEmpty,
 } from '../../../shared/empty.util';
 import { NotificationsService } from '../../../shared/notifications/notifications.service';
-import { VarDirective } from '../../../shared/utils/var.directive';
 import { getItemPageRoute } from '../../item-page-routing-paths';
 import { AltchaCaptchaComponent } from './altcha-captcha.component';
 
@@ -78,7 +75,6 @@ import { AltchaCaptchaComponent } from './altcha-captcha.component';
     AsyncPipe,
     ReactiveFormsModule,
     BtnDisabledDirective,
-    VarDirective,
     AltchaCaptchaComponent,
   ],
   schemas: [CUSTOM_ELEMENTS_SCHEMA],
diff --git a/src/app/request-copy/email-request-copy/email-request-copy.component.ts b/src/app/request-copy/email-request-copy/email-request-copy.component.ts
index 6015fd2ae1..b174cb0ea8 100644
--- a/src/app/request-copy/email-request-copy/email-request-copy.component.ts
+++ b/src/app/request-copy/email-request-copy/email-request-copy.component.ts
@@ -1,5 +1,3 @@
-import 'altcha';
-
 import {
   AsyncPipe,
   Location,
diff --git a/src/modules/app/browser-app.config.ts b/src/modules/app/browser-app.config.ts
index 4173d60d5f..7fee5f2aa0 100644
--- a/src/modules/app/browser-app.config.ts
+++ b/src/modules/app/browser-app.config.ts
@@ -1,3 +1,5 @@
+import 'altcha';
+
 import {
   HttpClient,
   provideHttpClient,