diff --git a/scilog/src/app/app.component.spec.ts b/scilog/src/app/app.component.spec.ts
index 7d448ff9..10f6587f 100644
--- a/scilog/src/app/app.component.spec.ts
+++ b/scilog/src/app/app.component.spec.ts
@@ -33,16 +33,4 @@ describe('AppComponent', () => {
   //   expect(app.title).toEqual('SciLog');
   // });
 
-  it('should unset the logbook', () => {
-    const fixture = TestBed.createComponent(AppComponent);
-    const app = fixture.componentInstance;
-    const popStateEvent = new PopStateEvent('popstate');
-    Object.defineProperty(
-      popStateEvent, 
-      'target', 
-      {writable: false, value: {location: {pathname: '/overview'}}}
-    );
-    window.dispatchEvent(popStateEvent);
-    expect(app['logbookInfo'].logbookInfo).toBeNull();
-  });
 });
diff --git a/scilog/src/app/app.component.ts b/scilog/src/app/app.component.ts
index 47122e06..36d325e5 100644
--- a/scilog/src/app/app.component.ts
+++ b/scilog/src/app/app.component.ts
@@ -1,5 +1,4 @@
-import { Component, HostListener, OnInit } from '@angular/core';
-import { LogbookInfoService } from './core/logbook-info.service';
+import { Component, OnInit } from '@angular/core';
 
 
 @Component({
@@ -12,8 +11,7 @@ export class AppComponent implements OnInit {
   light_mode = true;
   disable_log = false;
 
-  constructor(private logbookInfo: LogbookInfoService) {
-  }
+  constructor() {}
 
   ngOnInit(): void {
     
@@ -31,10 +29,4 @@ export class AppComponent implements OnInit {
     }
   }
 
-  @HostListener('window:popstate', ['$event'])
-  onPopState(event: Event & {target: Window}) {
-    if (event.target.location.pathname === '/overview')
-      this.logbookInfo.logbookInfo = null;
-  }
-
 }
diff --git a/scilog/src/app/logbook/logbook.component.spec.ts b/scilog/src/app/logbook/logbook.component.spec.ts
index 7191427a..9fa9b07e 100644
--- a/scilog/src/app/logbook/logbook.component.spec.ts
+++ b/scilog/src/app/logbook/logbook.component.spec.ts
@@ -30,4 +30,16 @@ describe('LogbookComponent', () => {
   it('should create', () => {
     expect(component).toBeTruthy();
   });
+
+  it('should unset the logbook', () => {
+    const popStateEvent = new PopStateEvent('popstate');
+    Object.defineProperty(
+      popStateEvent, 
+      'target', 
+      {writable: false, value: {location: {pathname: '/overview'}}}
+    );
+    window.dispatchEvent(popStateEvent);
+    expect(component['logbookInfo'].logbookInfo).toBeNull();
+  });
+
 });
diff --git a/scilog/src/app/logbook/logbook.component.ts b/scilog/src/app/logbook/logbook.component.ts
index 4d2a8258..5328eca1 100644
--- a/scilog/src/app/logbook/logbook.component.ts
+++ b/scilog/src/app/logbook/logbook.component.ts
@@ -1,7 +1,7 @@
-import { Component, OnInit, ComponentFactoryResolver } from '@angular/core';
+import { Component, OnInit, HostListener } from '@angular/core';
 import { ChangeStreamService } from '@shared/change-stream.service';
 import { ChangeStreamNotification } from '@shared/changestreamnotification.model'
-import { MediaObserver, MediaChange } from '@angular/flex-layout';
+import { MediaObserver } from '@angular/flex-layout';
 import { Subscription } from 'rxjs';
 import { ActivatedRoute, Router } from '@angular/router';
 import { LogbookInfoService } from '@shared/logbook-info.service';
@@ -149,5 +149,10 @@ export class LogbookComponent implements OnInit {
       (subscription) => subscription.unsubscribe());
   }
 
+  @HostListener('window:popstate', ['$event'])
+  onPopState(event: Event & {target: Window}) {
+    if (event.target.location.pathname === '/overview')
+      this.logbookInfo.logbookInfo = null;
+  }
 
 }