diff --git a/src/app/components/tree/tree.ts b/src/app/components/tree/tree.ts
index f8652632f7f..522c3ec96cc 100755
--- a/src/app/components/tree/tree.ts
+++ b/src/app/components/tree/tree.ts
@@ -100,7 +100,7 @@ import {
                     (dragend)="onDragStop($event)"
                     [ngClass]="{ 'p-treenode-selectable': tree.selectionMode && node.selectable !== false, 'p-treenode-dragover': draghoverNode, 'p-highlight': isSelected() }"
                 >
-                    <button type="button" [attr.data-pc-section]="'toggler'" class="p-tree-toggler p-link" (click)="toggle($event)" pRipple tabindex="-1" aria-hidden="true">
+                    <button type="button" [attr.data-pc-section]="'toggler'" class="p-tree-toggler p-link" (click)="toggle($event)" pRipple tabindex="-1">
                         <ng-container *ngIf="!tree.togglerIconTemplate">
                             <ng-container *ngIf="!node.loading">
                                 <ChevronRightIcon *ngIf="!node.expanded" [styleClass]="'p-tree-toggler-icon'" />