diff --git a/src/app/report/edit-display/encoding-button/encoding-button.component.ts b/src/app/report/edit-display/encoding-button/encoding-button.component.ts
index 71be336b..ae1accc4 100644
--- a/src/app/report/edit-display/encoding-button/encoding-button.component.ts
+++ b/src/app/report/edit-display/encoding-button/encoding-button.component.ts
@@ -19,7 +19,7 @@ export class EncodingButtonComponent implements OnChanges {
 
   constructor(private toastService: ToastService) {}
 
-  ngOnChanges(changes: SimpleChanges) {
+  ngOnChanges() {
     this.showEncodingButton = ReportUtil.isCheckPoint(this.selectedNode) && this.selectedNode.encoding === 'Base64';
   }
 
diff --git a/src/app/shared/util/update-report-util.ts b/src/app/shared/util/update-report-util.ts
deleted file mode 100644
index 2a6df0db..00000000
--- a/src/app/shared/util/update-report-util.ts
+++ /dev/null
@@ -1,12 +0,0 @@
-import { UpdateReport } from '../interfaces/update-report';
-import { UpdateCheckpoint } from '../interfaces/update-checkpoint';
-
-export const UpdateReportUtil = {
-  isUpdateReport(object: UpdateReport | UpdateCheckpoint): object is UpdateReport {
-    return !!(object as UpdateReport).name;
-  },
-
-  isUpdateCheckpoint(object: UpdateReport | UpdateCheckpoint): object is UpdateCheckpoint {
-    return !!(object as UpdateCheckpoint).checkpointMessage;
-  },
-};