diff --git a/src/app/tree/tree.component.html b/src/app/tree/tree.component.html
index c8cd4d0..a668666 100644
--- a/src/app/tree/tree.component.html
+++ b/src/app/tree/tree.component.html
@@ -1,5 +1,5 @@
 
-<p-tree #expandingTree [value]="filesTree10"></p-tree>
+<p-tree #expandingTree [value]="filesTree"></p-tree>
 <div style="margin-top: 8px">
   <button pButton type="button" label="Expand all" (click)="expandAll()" style="margin-right: .25em"></button>
   <button pButton type="button" label="Collapse all" (click)="collapseAll()"></button>
diff --git a/src/app/tree/tree.component.ts b/src/app/tree/tree.component.ts
index fb6a84b..bf7a665 100644
--- a/src/app/tree/tree.component.ts
+++ b/src/app/tree/tree.component.ts
@@ -11,45 +11,22 @@ import {NodeService} from '../node.service';
 export class TreeComponent implements OnInit {
   @ViewChild('expandingTree', {static: false})
   expandingTree: Tree;
-  filesTree10: TreeNode[];
+  filesTree: TreeNode[];
 
   constructor(private nodeService: NodeService, private messageService: MessageService) { }
 
   ngOnInit() {
-    this.nodeService.getFiles().then(files => this.filesTree10 = files);
+    this.nodeService.getFiles().then(files => this.filesTree = files);
   }
 
-  // nodeSelect(event) {
-  //   this.messageService.add({severity: 'info', summary: 'Node Selected', detail: event.node.label});
-  // }
-  //
-  // nodeUnselect(event) {
-  //   this.messageService.add({severity: 'info', summary: 'Node Unselected', detail: event.node.label});
-  // }
-  //
-  // nodeExpandMessage(event) {
-  //   this.messageService.add({severity: 'info', summary: 'Node Expanded', detail: event.node.label});
-  // }
-  //
-  // nodeExpand(event) {
-  //   if(event.node) {
-  //     // in a real application, make a call to a remote url to load children of the current node and add the new nodes as children
-  //     this.nodeService.getLazyFiles().then(nodes => event.node.children = nodes);
-  //   }
-  // }
-  //
-  // viewFile(file: TreeNode) {
-  //   this.messageService.add({severity: 'info', summary: 'Node Selected with Right Click', detail: file.label});
-  // }
-
   expandAll(){
-    this.filesTree10.forEach( node => {
+    this.filesTree.forEach( node => {
       this.expandRecursive(node, true);
     } );
   }
 
   collapseAll(){
-    this.filesTree10.forEach( node => {
+    this.filesTree.forEach( node => {
       this.expandRecursive(node, false);
     } );
   }