diff --git a/frontend/src/app/core/state/in-app-notifications/in-app-notifications.service.ts b/frontend/src/app/core/state/in-app-notifications/in-app-notifications.service.ts
index 08ef206380..79475327c8 100644
--- a/frontend/src/app/core/state/in-app-notifications/in-app-notifications.service.ts
+++ b/frontend/src/app/core/state/in-app-notifications/in-app-notifications.service.ts
@@ -19,7 +19,10 @@ import { IHALCollection } from 'core-app/core/apiv3/types/hal-collection.type';
 import { HttpClient } from '@angular/common/http';
 import { InAppNotificationsQuery } from 'core-app/core/state/in-app-notifications/in-app-notifications.query';
 import { Apiv3ListParameters } from 'core-app/core/apiv3/paths/apiv3-list-resource.interface';
-import { collectionKey } from 'core-app/core/state/collection-store.type';
+import {
+  collectionKey,
+  CollectionResponse,
+} from 'core-app/core/state/collection-store.type';
 import {
   markNotificationsAsRead,
   notificationsMarkedRead,
@@ -81,6 +84,36 @@ export class InAppNotificationsService extends UntilDestroyedMixin {
     this.store.update(id, inAppNotification);
   }
 
+  modifyCollection(params:Apiv3ListParameters, callback:(collection:ID[]) => ID[]) {
+    const key = collectionKey(params);
+    this.store.update(({ collections }) => (
+      {
+        collections: {
+          ...collections,
+          [key]: {
+            ...collections[key],
+            ids: [...callback(collections[key]?.ids || [])],
+          },
+        },
+      }
+    ));
+  }
+
+  removeFromCollection(params:Apiv3ListParameters, ids:ID[]):void {
+    const key = collectionKey(params);
+    this.store.update(({ collections }) => (
+      {
+        collections: {
+          ...collections,
+          [key]: {
+            ...collections[key],
+            ids: (collections[key]?.ids || []).filter((id) => !ids.includes(id)),
+          },
+        },
+      }
+    ));
+  }
+
   markAsRead(notifications:ID[]):Observable<unknown> {
     return this
       .apiV3Service
diff --git a/frontend/src/app/features/in-app-notifications/center/state/ian-center.service.ts b/frontend/src/app/features/in-app-notifications/center/state/ian-center.service.ts
index c953c3c078..7ab14bc5e7 100644
--- a/frontend/src/app/features/in-app-notifications/center/state/ian-center.service.ts
+++ b/frontend/src/app/features/in-app-notifications/center/state/ian-center.service.ts
@@ -89,7 +89,7 @@ export class IanCenterService extends UntilDestroyedMixin {
   }
 
   markAllAsRead():void {
-    selectCollection$(this.ianService, this.store.getValue().params)
+    selectCollection$(this.ianService, this.params)
       .pipe(
         take(1),
       )
@@ -103,7 +103,11 @@ export class IanCenterService extends UntilDestroyedMixin {
    */
   @EffectCallback(notificationsMarkedRead)
   private reloadOnNotificationRead(action:ReturnType<typeof notificationsMarkedRead>) {
-    if (action.caller !== this) {
+    if (action.caller === this) {
+      this
+        .ianService
+        .removeFromCollection(this.params, action.notifications);
+    } else {
       this.reload();
     }
   }