diff --git a/src/app/core/data/base/put-data.ts b/src/app/core/data/base/put-data.ts
index bd2a8d2929..6cd61791e7 100644
--- a/src/app/core/data/base/put-data.ts
+++ b/src/app/core/data/base/put-data.ts
@@ -55,7 +55,7 @@ export class PutDataImpl<T extends CacheableObject> extends BaseDataService<T> i
    */
   put(object: T): Observable<RemoteData<T>> {
     const requestId = this.requestService.generateRequestId();
-    const serializedObject = new DSpaceSerializer(object.constructor as GenericConstructor<{}>).serialize(object);
+    const serializedObject = new DSpaceSerializer(object.constructor as GenericConstructor<unknown>).serialize(object);
     const request = new PutRequest(requestId, object._links.self.href, serializedObject);
 
     if (hasValue(this.responseMsToLive)) {
diff --git a/src/app/core/pagination/pagination-route-params.interface.ts b/src/app/core/pagination/pagination-route-params.interface.ts
new file mode 100644
index 0000000000..029b27f255
--- /dev/null
+++ b/src/app/core/pagination/pagination-route-params.interface.ts
@@ -0,0 +1,15 @@
+/**
+ * The contents of this file are subject to the license and copyright
+ * detailed in the LICENSE and NOTICE files at the root of the source
+ * tree and available online at
+ *
+ * http://www.dspace.org/license/
+ */
+import { SortDirection } from '../cache/models/sort-options.model';
+
+export interface PaginationRouteParams {
+  page?: number
+  pageSize?: number
+  sortField?: string
+  sortDirection?: SortDirection
+}
diff --git a/src/app/core/pagination/pagination.service.ts b/src/app/core/pagination/pagination.service.ts
index ce4c3adc3c..90d307ff4f 100644
--- a/src/app/core/pagination/pagination.service.ts
+++ b/src/app/core/pagination/pagination.service.ts
@@ -9,6 +9,7 @@ import { hasValue, isEmpty, isNotEmpty } from '../../shared/empty.util';
 import { difference } from '../../shared/object.util';
 import { FindListOptions } from '../data/find-list-options.model';
 import { isNumeric } from '../../shared/numeric.util';
+import { PaginationRouteParams } from './pagination-route-params.interface';
 
 @Injectable({
   providedIn: 'root',
@@ -121,13 +122,8 @@ export class PaginationService {
    */
   updateRoute(
     paginationId: string,
-    params: {
-      page?: number
-      pageSize?: number
-      sortField?: string
-      sortDirection?: SortDirection
-    },
-    extraParams?,
+    params: PaginationRouteParams,
+    extraParams?: Record<string, unknown>,
     retainScrollPosition?: boolean,
     navigationExtras?: NavigationExtras,
   ) {
@@ -147,13 +143,8 @@ export class PaginationService {
   updateRouteWithUrl(
     paginationId: string,
     url: string[],
-    params: {
-      page?: number
-      pageSize?: number
-      sortField?: string
-      sortDirection?: SortDirection
-    },
-    extraParams?,
+    params: PaginationRouteParams,
+    extraParams?: Record<string, unknown>,
     retainScrollPosition?: boolean,
     navigationExtras?: NavigationExtras,
   ) {
@@ -219,12 +210,7 @@ export class PaginationService {
     );
   }
 
-  private getParametersWithIdName(paginationId: string, params: {
-    page?: number
-    pageSize?: number
-    sortField?: string
-    sortDirection?: SortDirection
-  }) {
+  private getParametersWithIdName(paginationId: string, params: PaginationRouteParams) {
     const paramsWithIdName = {};
     if (hasValue(params.page)) {
       paramsWithIdName[`${paginationId}.page`] = `${params.page}`;
diff --git a/src/app/home-page/recent-item-list/recent-item-list.component.ts b/src/app/home-page/recent-item-list/recent-item-list.component.ts
index 9a8535d970..93bf4a6abf 100644
--- a/src/app/home-page/recent-item-list/recent-item-list.component.ts
+++ b/src/app/home-page/recent-item-list/recent-item-list.component.ts
@@ -48,7 +48,7 @@ export class RecentItemListComponent implements OnInit {
     public searchConfigurationService: SearchConfigurationService,
     protected elementRef: ElementRef,
     @Inject(APP_CONFIG) private appConfig: AppConfig,
-    @Inject(PLATFORM_ID) private platformId: Object,
+    @Inject(PLATFORM_ID) private platformId: any,
   ) {
 
     this.paginationConfig = Object.assign(new PaginationComponentOptions(), {
diff --git a/src/app/item-page/simple/related-items/related-items-component.ts b/src/app/item-page/simple/related-items/related-items-component.ts
index 2746670abe..29b7425314 100644
--- a/src/app/item-page/simple/related-items/related-items-component.ts
+++ b/src/app/item-page/simple/related-items/related-items-component.ts
@@ -65,7 +65,7 @@ export class RelatedItemsComponent extends AbstractIncrementalListComponent<Obse
   constructor(public relationshipService: RelationshipDataService,
               protected elementRef: ElementRef,
               @Inject(APP_CONFIG) protected appConfig: AppConfig,
-              @Inject(PLATFORM_ID) private platformId: Object
+              @Inject(PLATFORM_ID) private platformId: any
               ) {
     super();
     this.fetchThumbnail = this.appConfig.browseBy.showThumbnails;
diff --git a/src/app/shared/menu/menu-item/models/onclick.model.ts b/src/app/shared/menu/menu-item/models/onclick.model.ts
index 32139001d0..afb533bb24 100644
--- a/src/app/shared/menu/menu-item/models/onclick.model.ts
+++ b/src/app/shared/menu/menu-item/models/onclick.model.ts
@@ -8,5 +8,5 @@ export class OnClickMenuItemModel implements MenuItemModel {
   type = MenuItemType.ONCLICK;
   disabled: boolean;
   text: string;
-  function: () => {};
+  function: () => void;
 }
diff --git a/src/app/shared/mocks/action.mock.ts b/src/app/shared/mocks/action.mock.ts
index e227946f64..f5c7c683b0 100644
--- a/src/app/shared/mocks/action.mock.ts
+++ b/src/app/shared/mocks/action.mock.ts
@@ -2,5 +2,5 @@ import { Action } from '@ngrx/store';
 
 export class ActionMock implements Action {
   type = null;
-  payload: {};
+  payload: any;
 }
diff --git a/src/app/shared/mocks/active-router.mock.ts b/src/app/shared/mocks/active-router.mock.ts
index 672cdcd8f6..12fb45df6b 100644
--- a/src/app/shared/mocks/active-router.mock.ts
+++ b/src/app/shared/mocks/active-router.mock.ts
@@ -22,7 +22,7 @@ export class MockActivatedRoute {
 
   // Test parameters
   get testParams() { return this._testParams; }
-  set testParams(params: {}) {
+  set testParams(params: any) {
     this._testParams = params;
     this.subject.next(params);
   }
diff --git a/src/app/shared/object-collection/object-collection.component.ts b/src/app/shared/object-collection/object-collection.component.ts
index e1f9182562..d16b57af28 100644
--- a/src/app/shared/object-collection/object-collection.component.ts
+++ b/src/app/shared/object-collection/object-collection.component.ts
@@ -189,7 +189,7 @@ export class ObjectCollectionComponent implements OnInit {
     private route: ActivatedRoute,
     private router: Router,
     private elementRef: ElementRef,
-    @Inject(PLATFORM_ID) private platformId: Object) {
+    @Inject(PLATFORM_ID) private platformId: any) {
   }
 
   ngOnInit(): void {
diff --git a/src/app/shared/pagination/pagination.component.ts b/src/app/shared/pagination/pagination.component.ts
index aa6f727c50..3938ca2446 100644
--- a/src/app/shared/pagination/pagination.component.ts
+++ b/src/app/shared/pagination/pagination.component.ts
@@ -24,6 +24,7 @@ import { RemoteData } from '../../core/data/remote-data';
 import { PaginatedList } from '../../core/data/paginated-list.model';
 import { ListableObject } from '../object-collection/shared/listable-object.model';
 import { ViewMode } from '../../core/shared/view-mode.model';
+import { PaginationRouteParams } from '../../core/pagination/pagination-route-params.interface';
 
 /**
  * The default pagination controls component.
@@ -273,7 +274,7 @@ export class PaginationComponent implements OnDestroy, OnInit {
    *    The page being navigated to.
    */
   public doPageChange(page: number) {
-    this.updateParams({page: page.toString()});
+    this.updateParams({page: page});
     this.emitPaginationChange();
   }
 
@@ -284,7 +285,7 @@ export class PaginationComponent implements OnDestroy, OnInit {
    *    The page size being navigated to.
    */
   public doPageSizeChange(pageSize: number) {
-    this.updateParams({ pageId: this.id, page: 1, pageSize: pageSize });
+    this.updateParams({ page: 1, pageSize: pageSize });
     this.emitPaginationChange();
   }
 
@@ -295,7 +296,7 @@ export class PaginationComponent implements OnDestroy, OnInit {
    *    The sort direction being navigated to.
    */
   public doSortDirectionChange(sortDirection: SortDirection) {
-    this.updateParams({ pageId: this.id, page: 1, sortDirection: sortDirection });
+    this.updateParams({ page: 1, sortDirection: sortDirection });
     this.emitPaginationChange();
   }
 
@@ -306,7 +307,7 @@ export class PaginationComponent implements OnDestroy, OnInit {
    *    The sort field being navigated to.
    */
   public doSortFieldChange(field: string) {
-    this.updateParams({ pageId: this.id, page: 1, sortField: field });
+    this.updateParams({ page: 1, sortField: field });
     this.emitPaginationChange();
   }
 
@@ -321,7 +322,7 @@ export class PaginationComponent implements OnDestroy, OnInit {
    * Update the current query params and optionally update the route
    * @param params
    */
-  private updateParams(params: {}) {
+  private updateParams(params: PaginationRouteParams) {
     this.paginationService.updateRoute(this.id, params, {}, this.retainScrollPosition);
   }
 
@@ -407,7 +408,7 @@ export class PaginationComponent implements OnDestroy, OnInit {
    */
   updatePagination(value: number) {
     this.paginationService.getCurrentPagination(this.id, this.paginationOptions).pipe(take(1)).subscribe((currentPaginationOptions) => {
-      this.updateParams({page: (currentPaginationOptions.currentPage + value).toString()});
+      this.updateParams({ page: (currentPaginationOptions.currentPage + value) });
     });
   }
 
diff --git a/src/app/shared/testing/action.mock.ts b/src/app/shared/testing/action.mock.ts
index e227946f64..fc1e741c20 100644
--- a/src/app/shared/testing/action.mock.ts
+++ b/src/app/shared/testing/action.mock.ts
@@ -2,5 +2,5 @@ import { Action } from '@ngrx/store';
 
 export class ActionMock implements Action {
   type = null;
-  payload: {};
+  payload: unknown;
 }
diff --git a/src/app/shared/testing/active-router.stub.ts b/src/app/shared/testing/active-router.stub.ts
index 495920555b..28993a9a04 100644
--- a/src/app/shared/testing/active-router.stub.ts
+++ b/src/app/shared/testing/active-router.stub.ts
@@ -35,7 +35,7 @@ export class ActivatedRouteStub {
     return this._testParams;
   }
 
-  set testParams(params: {}) {
+  set testParams(params: unknown) {
     this._testParams = params;
     this.subject.next(params);
   }
@@ -45,7 +45,7 @@ export class ActivatedRouteStub {
     return this._testParams;
   }
 
-  set testData(data: {}) {
+  set testData(data: unknown) {
     this._testData = data;
     this.dataSubject.next(data);
   }
diff --git a/src/app/system-wide-alert/alert-banner/system-wide-alert-banner.component.ts b/src/app/system-wide-alert/alert-banner/system-wide-alert-banner.component.ts
index 27bdb14f1d..c564663044 100644
--- a/src/app/system-wide-alert/alert-banner/system-wide-alert-banner.component.ts
+++ b/src/app/system-wide-alert/alert-banner/system-wide-alert-banner.component.ts
@@ -48,7 +48,7 @@ export class SystemWideAlertBannerComponent implements OnInit, OnDestroy {
   subscriptions: Subscription[] = [];
 
   constructor(
-    @Inject(PLATFORM_ID) protected platformId: Object,
+    @Inject(PLATFORM_ID) protected platformId: any,
     protected systemWideAlertDataService: SystemWideAlertDataService,
     protected notificationsService: NotificationsService,
   ) {