diff --git a/DigitalData.UserManager.API/ClientApp/user_manager_ui/src/app/components/nav-menu/nav-menu.component.html b/DigitalData.UserManager.API/ClientApp/user_manager_ui/src/app/components/nav-menu/nav-menu.component.html
index b6aff6b..ae1c2a3 100644
--- a/DigitalData.UserManager.API/ClientApp/user_manager_ui/src/app/components/nav-menu/nav-menu.component.html
+++ b/DigitalData.UserManager.API/ClientApp/user_manager_ui/src/app/components/nav-menu/nav-menu.component.html
@@ -39,6 +39,9 @@
         <button *ngIf="isLogedIn()" class="btn" (click)="saveAsync()" [ngStyle]="{ 'visibility': updateService.isVisible ? 'visible' : 'hidden' }" matTooltip="strg + S" matTooltipPosition="below" matTooltipClass="pt-3" [matTooltipDisabled]="!updateService.isVisible">
           <mat-icon class="scale-pulse" [matBadge]="updateActCount === 0 ? '' : updateActCount">save</mat-icon>
         </button>
+        <button *ngIf="isLogedIn()" class="btn" (click)="deletionService.executeAll()" [ngStyle]="{ 'visibility': updateService.isVisible ? 'visible' : 'hidden' }" matTooltip="entf" matTooltipPosition="below" matTooltipClass="pt-3" [matTooltipDisabled]="!updateService.isVisible">
+          <mat-icon class="scale-pulse" [matBadge]="updateActCount === 0 ? '' : updateActCount">delete_forever</mat-icon>
+        </button>
         <button *ngIf="isLogedIn()" class="btn" (click)="transferService.executeAll()" [ngStyle]="{ 'visibility': transferService.isVisible ? 'visible' : 'hidden' }" matTooltip="strg + ␣" matTooltipPosition="below" [matTooltipDisabled]="!transferService.isVisible">
           <mat-icon class="move-left-right">swap_horiz</mat-icon>
         </button>
diff --git a/DigitalData.UserManager.API/ClientApp/user_manager_ui/src/app/components/nav-menu/nav-menu.component.ts b/DigitalData.UserManager.API/ClientApp/user_manager_ui/src/app/components/nav-menu/nav-menu.component.ts
index 99740ef..fe64219 100644
--- a/DigitalData.UserManager.API/ClientApp/user_manager_ui/src/app/components/nav-menu/nav-menu.component.ts
+++ b/DigitalData.UserManager.API/ClientApp/user_manager_ui/src/app/components/nav-menu/nav-menu.component.ts
@@ -8,6 +8,7 @@ import { ColorModeBttnComponent } from '../common/color-mode-bttn/color-mode-btt
 import { MatIconModule } from '@angular/material/icon';
 import { RefreshService } from '../../services/button/refresh.service';
 import { CreationService } from '../../services/button/creation.service';
+import { DeletionService } from '../../services/button/deletion.service';
 import { ButtonVisibilityService } from '../../services/button/button-visibility.service';
 import { UpdateService, UpdateEvent } from '../../services/button/update.service';
 import { TransferService } from '../../services/button/transfer.service';
@@ -35,7 +36,7 @@ export class NavMenuComponent {
 
   isChecked = true;
 
-  constructor(private dialog: MatDialog, private authService: AuthenticationService, public refreshService: RefreshService, public creationService: CreationService, public updateService: UpdateService, public transferService: TransferService, public buttonVisibilityService: ButtonVisibilityService) {
+  constructor(private dialog: MatDialog, private authService: AuthenticationService, public refreshService: RefreshService, public creationService: CreationService, public updateService: UpdateService, public transferService: TransferService, public buttonVisibilityService: ButtonVisibilityService, public deletionService: DeletionService) {
     this.authService.isAuthenticated().then().catch()
     this.updateActCount = this.updateService.totalCount;
     this.updateService.addChangeListener(UpdateEvent.CountChange, () => {