diff --git a/frontends/dnet-is-application/src/app/wf-history/wf-history.component.html b/frontends/dnet-is-application/src/app/wf-history/wf-history.component.html
index 87576383..0630a642 100644
--- a/frontends/dnet-is-application/src/app/wf-history/wf-history.component.html
+++ b/frontends/dnet-is-application/src/app/wf-history/wf-history.component.html
@@ -5,7 +5,6 @@
   <input matInput (keyup)="applyFilter($event)" placeholder="Filter..." #input />
 </mat-form-field>
 
-
 <p>
   <span *ngIf="from < 0 && to < 0"><b>Recent workflows</b> (max {{total}})</span>
   <span *ngIf="from >= 0 && to >= 0"><b>Workflows from </b>{{from | date:"yyyy-MM-dd HH:mm:ss"}} <b>to</b> {{to |
@@ -18,7 +17,7 @@
   <span><b>Count :</b> {{historyDatasource.filteredData.length}}</span>
 </p>
 
-<table mat-table [dataSource]="historyDatasource" matSort (matSortChange)="updateSort($event)" class="mat-elevation-z8">
+<table mat-table [dataSource]="historyDatasource" matSort class="mat-elevation-z8">
 
   <ng-container matColumnDef="processId">
     <th mat-header-cell *matHeaderCellDef style="width: 15%;" mat-sort-header sortActionDescription="Sort by Process ID"> Process Id </th>
diff --git a/frontends/dnet-is-application/src/app/wf-history/wf-history.component.ts b/frontends/dnet-is-application/src/app/wf-history/wf-history.component.ts
index 081b5c4b..ea83eed5 100644
--- a/frontends/dnet-is-application/src/app/wf-history/wf-history.component.ts
+++ b/frontends/dnet-is-application/src/app/wf-history/wf-history.component.ts
@@ -8,7 +8,6 @@ import { Observable } from 'rxjs';
 import { map } from 'rxjs/operators';
 import { MatDialog, MAT_DIALOG_DATA, MatDialogRef } from '@angular/material/dialog';
 import { KeyValue } from '../model/controller.model';
-import {LiveAnnouncer} from '@angular/cdk/a11y';
 
 @Component({
   selector: 'app-wf-history',
@@ -25,7 +24,7 @@ export class WfHistoryComponent implements AfterViewInit {
   from: number = -1
   to: number = -1
 
-  constructor(public service: ISService, public route: ActivatedRoute, public dialog: MatDialog, private _liveAnnouncer: LiveAnnouncer) {
+  constructor(public service: ISService, public route: ActivatedRoute, public dialog: MatDialog) {
 
     let totalP = route.snapshot.paramMap.get('total');
     let fromP = route.snapshot.queryParamMap.get('from');
@@ -59,14 +58,7 @@ export class WfHistoryComponent implements AfterViewInit {
       data: wf
     });
   }
-
-  updateSort(sortState: Sort) {
-    if (sortState.direction) {
-      this._liveAnnouncer.announce(`Sorted ${sortState.direction}ending`);
-    } else {
-      this._liveAnnouncer.announce('Sorting cleared');
-    }
-  }
+  
 }
 
 @Component({