diff --git a/apps/red-ui/src/app/modules/file-preview/components/comments/comments.component.ts b/apps/red-ui/src/app/modules/file-preview/components/comments/comments.component.ts
index c8d9027b7..c239b296d 100644
--- a/apps/red-ui/src/app/modules/file-preview/components/comments/comments.component.ts
+++ b/apps/red-ui/src/app/modules/file-preview/components/comments/comments.component.ts
@@ -14,6 +14,7 @@ import { ContextComponent } from '@utils/context.component';
 interface CommentsTemplate {
     dossier: Dossier;
     file: File;
+    hiddenComments: boolean;
 }
 
 @Component({
diff --git a/apps/red-ui/src/app/utils/context.component.ts b/apps/red-ui/src/app/utils/context.component.ts
index 88a67e860..4adf56774 100644
--- a/apps/red-ui/src/app/utils/context.component.ts
+++ b/apps/red-ui/src/app/utils/context.component.ts
@@ -1,17 +1,17 @@
-import { combineLatest, Observable, ObservableInputTuple, of, pipe } from 'rxjs';
+import { combineLatest, Observable, of } from 'rxjs';
 import { map, startWith } from 'rxjs/operators';
-import { OnDetach, ValuesOf } from '@iqser/common-ui';
+import { ValuesOf } from '@iqser/common-ui';
 
-export class ContextComponent<C> {
-    componentContext$: Observable<C> | null = of({} as C);
+export class ContextComponent<T> {
+    componentContext$: Observable<T> | null = of({} as T);
 
-    protected _initContext<T extends Record<string, ValuesOf<T>>>(context: ObservableInputTuple<T>): void {
+    protected _initContext(context: Record<string, Observable<ValuesOf<T>>>): void {
         const observables = Object.values(context).map(obs => obs.pipe(startWith(null)));
         const keys = Object.keys(context);
         this.componentContext$ = combineLatest(observables).pipe(map(values => this._mapKeysToObs(keys, values)));
     }
 
-    protected _mapKeysToObs<T>(keys: string[], observables: Observable<any>[]): T {
+    protected _mapKeysToObs(keys: string[], observables: ValuesOf<T>[]): T {
         return keys.reduce((acc, key, index) => ({ ...acc, [key]: observables[index] }), {} as T);
     }
 }