diff --git a/src/app/components/service/service.component.ts b/src/app/components/service/service.component.ts
index 7c9d06d..6f24438 100644
--- a/src/app/components/service/service.component.ts
+++ b/src/app/components/service/service.component.ts
@@ -12,9 +12,6 @@ import { ServiceItem } from '../../responses';
 })
 
 export class ServiceComponent {
-  ngOnInit() {
-  }
-
   onItemSelected(item: ServiceItem) {
     if (item.is_valid) {
       this.openlpService.setServiceItem(item.id).subscribe();
diff --git a/src/app/components/slides/slide-item/slide-item.component.ts b/src/app/components/slides/slide-item/slide-item.component.ts
index f37c443..02ea22b 100644
--- a/src/app/components/slides/slide-item/slide-item.component.ts
+++ b/src/app/components/slides/slide-item/slide-item.component.ts
@@ -14,7 +14,7 @@ export class SlideItemComponent {
   @Output() select = new EventEmitter<Slide>();
 
   onSlideSelected(slide: Slide) {
-    this.select.emit(slide)
+    this.select.emit(slide);
   }
 }
 
diff --git a/src/app/components/slides/slide-list/slide-list.component.ts b/src/app/components/slides/slide-list/slide-list.component.ts
index 6790933..5a02da5 100644
--- a/src/app/components/slides/slide-list/slide-list.component.ts
+++ b/src/app/components/slides/slide-list/slide-list.component.ts
@@ -1,4 +1,4 @@
-import { Component, EventEmitter, OnInit, Output } from '@angular/core';
+import { Component, EventEmitter, OnDestroy, OnInit, Output } from '@angular/core';
 import { Subscription } from 'rxjs';
 
 import { Slide } from '../../../responses';
@@ -10,7 +10,7 @@ import { OpenLPService } from '../../../openlp.service';
   styleUrls: ['./slide-list.component.scss'],
 })
 
-export class SlideListComponent implements OnInit {
+export class SlideListComponent implements OnInit, OnDestroy {
   slides: Slide[] = null;
   @Output() slideSelected = new EventEmitter<SlideListItem>();
   _subscription: Subscription;