diff --git a/src/app/browse-by/browse-by-page/browse-by-page.component.ts b/src/app/browse-by/browse-by-page/browse-by-page.component.ts
deleted file mode 100644
index e69de29bb2d..00000000000
diff --git a/src/app/browse-by/browse-by-title-page/browse-by-title-page.component.ts b/src/app/browse-by/browse-by-title-page/browse-by-title-page.component.ts
index 58df79ebe85..1b2d2b2973a 100644
--- a/src/app/browse-by/browse-by-title-page/browse-by-title-page.component.ts
+++ b/src/app/browse-by/browse-by-title-page/browse-by-title-page.component.ts
@@ -10,7 +10,7 @@ import { DSpaceObjectDataService } from '../../core/data/dspace-object-data.serv
 import { BrowseService } from '../../core/browse/browse.service';
 import { SortDirection, SortOptions } from '../../core/cache/models/sort-options.model';
 import { PaginationService } from '../../core/pagination/pagination.service';
-import { map } from 'rxjs/operators';
+import { map, take } from 'rxjs/operators';
 import { PaginationComponentOptions } from '../../shared/pagination/pagination-component-options.model';
 import { AppConfig, APP_CONFIG } from '../../../config/app-config.interface';
 import { DSONameService } from '../../core/breadcrumbs/dso-name.service';
@@ -38,12 +38,10 @@ export class BrowseByTitlePageComponent extends BrowseByMetadataPageComponent {
 
   ngOnInit(): void {
     const sortConfig = new SortOptions('dc.title', SortDirection.ASC);
-    // include the thumbnail configuration in browse search options
-    this.updatePage(getBrowseSearchOptions(this.defaultBrowseId, this.paginationConfig, sortConfig, this.fetchThumbnails));
     this.currentPagination$ = this.paginationService.getCurrentPagination(this.paginationConfig.id, this.paginationConfig);
     this.currentSort$ = this.paginationService.getCurrentSort(this.paginationConfig.id, sortConfig);
     this.subs.push(
-      observableCombineLatest([this.route.params, this.route.queryParams, this.currentPagination$, this.currentSort$]).pipe(
+      observableCombineLatest([this.route.params.pipe(take(1)), this.route.queryParams, this.currentPagination$, this.currentSort$]).pipe(
         map(([routeParams, queryParams, currentPage, currentSort]) => {
           return [Object.assign({}, routeParams, queryParams),currentPage,currentSort];
         })
diff --git a/src/app/menu.resolver.ts b/src/app/menu.resolver.ts
index f6931792796..83c9351c7f0 100644
--- a/src/app/menu.resolver.ts
+++ b/src/app/menu.resolver.ts
@@ -1,6 +1,6 @@
 import { Injectable } from '@angular/core';
 import { ActivatedRouteSnapshot, Resolve, RouterStateSnapshot } from '@angular/router';
-import { combineLatest as observableCombineLatest, combineLatest, Observable } from 'rxjs';
+import { combineLatest as observableCombineLatest, combineLatest, Observable, of as observableOf } from 'rxjs';
 import { MenuID } from './shared/menu/menu-id.model';
 import { MenuState } from './shared/menu/menu-state.model';
 import { MenuItemType } from './shared/menu/menu-item-type.model';
@@ -12,7 +12,7 @@ import { RemoteData } from './core/data/remote-data';
 import { TextMenuItemModel } from './shared/menu/menu-item/models/text.model';
 import { BrowseService } from './core/browse/browse.service';
 import { MenuService } from './shared/menu/menu.service';
-import { filter, find, map, take } from 'rxjs/operators';
+import { filter, find, map, mergeMap, take } from 'rxjs/operators';
 import { hasValue } from './shared/empty.util';
 import { FeatureID } from './core/data/feature-authorization/feature-id';
 import {