diff --git a/lib/content_views/finished_jobs_page.dart b/lib/content_views/finished_jobs_page.dart
index 95815b1..617b2c9 100644
--- a/lib/content_views/finished_jobs_page.dart
+++ b/lib/content_views/finished_jobs_page.dart
@@ -41,10 +41,10 @@ class _FinishedJobsPageState extends State<FinishedJobsPage> {
     return ListView(
       children: <Widget>[
         ListTile(
-          title: Column(
+          title: const Column(
             crossAxisAlignment: CrossAxisAlignment.start,
             mainAxisAlignment: MainAxisAlignment.center,
-            children: const <Widget>[
+            children: <Widget>[
               Text(
                 'Dies ist ein linksbündigerText',
                 textAlign: TextAlign.left,
diff --git a/lib/content_views/main_page.dart b/lib/content_views/main_page.dart
index 1c517b9..ac0fb82 100644
--- a/lib/content_views/main_page.dart
+++ b/lib/content_views/main_page.dart
@@ -27,7 +27,7 @@ class MainPage extends ContentViewWidget {
     return HeaderInfo(
         titleWidget: Container(
           padding: const EdgeInsets.symmetric(horizontal: 5, vertical: 3),
-          child: Column(children: const [
+          child: const Column(children: [
             Text(
               'Zeile 1',
               style: TextStyle(
diff --git a/lib/content_views/messages_page.dart b/lib/content_views/messages_page.dart
index f94f473..d8ad43c 100644
--- a/lib/content_views/messages_page.dart
+++ b/lib/content_views/messages_page.dart
@@ -1,15 +1,11 @@
-import 'dart:convert';
 
 import 'package:flutter/material.dart';
-import 'package:flutter/services.dart';
 import 'package:flutter_chat_ui/flutter_chat_ui.dart';
 import 'package:flutter_chat_types/flutter_chat_types.dart' as types;
 import 'package:stadtbote/content_views/utils/content_view_widget.dart';
 import 'package:stadtbote/content_views/utils/header_info.dart';
 import 'package:stadtbote/popups/infos_popup.dart';
 
-import '../main.dart';
-import '../model/job.dart';
 import '../tools/util.dart';
 
 class MessagesPage extends ContentViewWidget {
@@ -75,22 +71,6 @@ class _MessagesPageState extends State<MessagesPage> {
     );
   }
 
-  void _test() async {
-    var json = await rootBundle.loadString('assets/job.json');
-    var jsonMap = jsonDecode(json);
-    var payload = jsonMap["payload"];
-
-    var jobsPayload = JobsPayload.fromJson(payload);
-
-    if (jobsPayload.jobs != null) {
-      MyApp.isarInstance.writeTxnSync(() {
-        for (var job in jobsPayload.jobs as List<Job>) {
-          MyApp.isarInstance.jobs.putSync(job);
-        }
-      });
-    }
-  }
-
   void _handleAttachmentPressed() {
   }
 
diff --git a/lib/popups/infos_popup.dart b/lib/popups/infos_popup.dart
index 272942a..b3d177f 100644
--- a/lib/popups/infos_popup.dart
+++ b/lib/popups/infos_popup.dart
@@ -41,10 +41,10 @@ void showInfosPopup(BuildContext context) {
                 width: 0.5,
               ),
             ),
-            child: Padding(
-              padding: const EdgeInsets.all(12.0),
+            child: const Padding(
+              padding: EdgeInsets.all(12.0),
               child: Column(
-                children: const [
+                children: [
                   Text('Dies sind die Infos\nBla')
                 ],
               ),
diff --git a/lib/popups/tasks_popups/signature_popup.dart b/lib/popups/tasks_popups/signature_popup.dart
index 0a721b7..7c9a3e6 100644
--- a/lib/popups/tasks_popups/signature_popup.dart
+++ b/lib/popups/tasks_popups/signature_popup.dart
@@ -1,7 +1,4 @@
-import 'dart:math';
 import 'package:flutter/material.dart';
-import 'package:flutter/services.dart';
-import 'package:flutter_barcode_scanner/flutter_barcode_scanner.dart';
 import 'package:kumi_popup_window/kumi_popup_window.dart';
 import 'package:signature/signature.dart';
 import 'package:stadtbote/model/task_info.dart';
diff --git a/lib/popups/tasks_popups/station_notice_popup.dart b/lib/popups/tasks_popups/station_notice_popup.dart
index d4cfc98..55eeeb6 100644
--- a/lib/popups/tasks_popups/station_notice_popup.dart
+++ b/lib/popups/tasks_popups/station_notice_popup.dart
@@ -1,6 +1,5 @@
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
-import 'package:flutter_barcode_scanner/flutter_barcode_scanner.dart';
 import 'package:kumi_popup_window/kumi_popup_window.dart';
 import 'package:stadtbote/model/task_info.dart';
 import 'package:stadtbote/tools/util.dart';
@@ -53,7 +52,7 @@ KumiPopupWindow showStationNoticePopup(BuildContext context, TaskInfo taskInfo,
                 children: [
                   Text(taskInfo.task.topic),
                   const SizedBox(height: 20),
-                  Container(
+                  SizedBox(
                     height: 100,
                     child: Util.getDefaultTextField(taskInfo.task.topic,
                         type: TextInputType.text,
diff --git a/lib/popups/tasks_popups/take_photos_popup.dart b/lib/popups/tasks_popups/take_photos_popup.dart
index c362af4..a73ec42 100644
--- a/lib/popups/tasks_popups/take_photos_popup.dart
+++ b/lib/popups/tasks_popups/take_photos_popup.dart
@@ -1,7 +1,6 @@
 import 'package:carousel_slider/carousel_slider.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
-import 'package:flutter_barcode_scanner/flutter_barcode_scanner.dart';
 import 'package:kumi_popup_window/kumi_popup_window.dart';
 import 'package:stadtbote/model/task_info.dart';
 import 'package:stadtbote/tools/util.dart';