diff --git a/lib/main.dart b/lib/main.dart
index 0652d1f..cf4ea08 100644
--- a/lib/main.dart
+++ b/lib/main.dart
@@ -4,7 +4,9 @@ import 'model/repositories/local_repository.dart';
 import 'pages/task_edit_page.dart';
 import 'pages/task_overview_page.dart';
 import 'service/controller_scope.dart';
-import 'service/task_controller.dart';
+import 'service/controllers/alarm_controller.dart';
+import 'service/controllers/location_controller.dart';
+import 'service/controllers/task_controller.dart';
 
 void main() async {
   final repository = LocalRepository();
@@ -13,8 +15,14 @@ void main() async {
 
   runApp(
     ControllerScope(
-      controller: TaskController(repository),
-      child: const MainApp(),
+      controller: LocationController(repository),
+      child: ControllerScope(
+        controller: AlarmController(repository),
+        child: ControllerScope(
+          controller: TaskController(repository),
+          child: const MainApp(),
+        ),
+      ),
     ),
   );
 }
diff --git a/lib/model/alarm.dart b/lib/model/alarm.dart
index f8f5844..1f73729 100644
--- a/lib/model/alarm.dart
+++ b/lib/model/alarm.dart
@@ -3,6 +3,7 @@ import 'time_alarm.dart';
 
 abstract class Alarm {
   String get id;
+  String get taskId;
   Map<String, dynamic> toJson();
 
   factory Alarm.fromJson(Map<String, dynamic> json) {
@@ -25,5 +26,5 @@ abstract class Alarm {
   }
 
   @override
-  int get hashCode => id.hashCode;
+  int get hashCode => taskId.hashCode;
 }
diff --git a/lib/model/callback_models/create_task_request.dart b/lib/model/callback_models/create_task_request.dart
index 549a4ba..49c0a38 100644
--- a/lib/model/callback_models/create_task_request.dart
+++ b/lib/model/callback_models/create_task_request.dart
@@ -1,4 +1,3 @@
-import '../location.dart';
 import '../task.dart';
 
 class CreateTaskRequest {
@@ -9,8 +8,6 @@ class CreateTaskRequest {
   final bool isCompleted;
   final String category;
   final List<Task> subtasks;
-  final List<DateTime> alarms;
-  final Location? location;
   final String url;
 
   CreateTaskRequest({
@@ -21,8 +18,6 @@ class CreateTaskRequest {
     required this.isCompleted,
     required this.category,
     required this.subtasks,
-    required this.alarms,
-    required this.location,
     required this.url,
   });
 
@@ -34,8 +29,6 @@ class CreateTaskRequest {
       isCompleted = task.isCompleted,
       category = task.category,
       subtasks = task.subtasks,
-      alarms = task.alarms,
-      location = task.location,
       url = task.url;
 
   Task toTask({required String id}) {
@@ -48,8 +41,6 @@ class CreateTaskRequest {
       isCompleted: isCompleted,
       category: category,
       subtasks: subtasks,
-      alarms: alarms,
-      location: location,
       url: url,
     );
   }
diff --git a/lib/model/location_alarm.dart b/lib/model/location_alarm.dart
index bb1b924..0d8d10a 100644
--- a/lib/model/location_alarm.dart
+++ b/lib/model/location_alarm.dart
@@ -5,12 +5,16 @@ class LocationAlarm implements Alarm {
   @override
   final String id;
 
+  @override
+  final String taskId;
+
   final Location location;
 
   final int radiusMeters;
 
   const LocationAlarm({
     required this.id,
+    required this.taskId,
     required this.location,
     required this.radiusMeters,
   });
@@ -18,6 +22,7 @@ class LocationAlarm implements Alarm {
   factory LocationAlarm.fromJson(Map<String, dynamic> json) {
     return LocationAlarm(
       id: json['id'] as String,
+      taskId: json['taskId'] as String,
       location: Location.fromJson(json['location'] as Map<String, dynamic>),
       radiusMeters: json['radiusMeters'] as int,
     );
@@ -27,6 +32,7 @@ class LocationAlarm implements Alarm {
   Map<String, dynamic> toJson() {
     return {
       'id': id,
+      'taskId': taskId,
       'location': location.toJson(),
       'radiusMeters': radiusMeters,
     };
diff --git a/lib/model/repositories/interfaces/location_repository.dart b/lib/model/repositories/interfaces/location_repository.dart
new file mode 100644
index 0000000..04db6b1
--- /dev/null
+++ b/lib/model/repositories/interfaces/location_repository.dart
@@ -0,0 +1,19 @@
+import '../../location.dart';
+
+abstract class LocationRepository {
+  // Create
+
+  Future<void> createLocation(Location location);
+
+  // Read
+
+  Future<List<Location>> loadLocations();
+
+  // Update
+
+  Future<void> updateLocation(Location location);
+
+  // Delete
+
+  Future<void> deleteLocation(Location location);
+}
diff --git a/lib/model/repositories/local_repository.dart b/lib/model/repositories/local_repository.dart
index a9ce4a0..de6ab1a 100644
--- a/lib/model/repositories/local_repository.dart
+++ b/lib/model/repositories/local_repository.dart
@@ -3,14 +3,18 @@ import 'dart:convert';
 import 'package:shared_preferences/shared_preferences.dart';
 
 import '../alarm.dart';
+import '../location.dart';
 import '../task.dart';
 import 'interfaces/alarm_repository.dart';
+import 'interfaces/location_repository.dart';
 import 'interfaces/task_repository.dart';
 
-class LocalRepository implements TaskRepository, AlarmRepository {
+class LocalRepository
+    implements TaskRepository, AlarmRepository, LocationRepository {
   static const String _tasksKey = 'tasks';
   static const String _taskOrderKey = 'taskOrder';
   static const String _alarmsKey = 'alarms';
+  static const String _locationsKey = 'locations';
 
   SharedPreferencesWithCache? _prefs;
 
@@ -18,7 +22,12 @@ class LocalRepository implements TaskRepository, AlarmRepository {
     if (_prefs == null) {
       await SharedPreferencesWithCache.create(
         cacheOptions: const SharedPreferencesWithCacheOptions(
-          allowList: <String>{_tasksKey, _taskOrderKey},
+          allowList: <String>{
+            _tasksKey,
+            _taskOrderKey,
+            _alarmsKey,
+            _locationsKey,
+          },
         ),
       ).then((value) => _prefs = value);
     }
@@ -29,6 +38,13 @@ class LocalRepository implements TaskRepository, AlarmRepository {
     _prefs!.setStringList(_tasksKey, jsonList);
   }
 
+  Future<void> _saveLocations(List<Location> locations) async {
+    final jsonList = locations
+        .map<String>((e) => jsonEncode(e.toJson()))
+        .toList();
+    _prefs!.setStringList(_locationsKey, jsonList);
+  }
+
   Future<void> _saveTaskOrder(List<String> taskOrder) async {
     final jsonList = taskOrder.map((e) => jsonEncode(e)).toList();
     return _prefs!.setStringList(_taskOrderKey, jsonList);
@@ -62,6 +78,13 @@ class LocalRepository implements TaskRepository, AlarmRepository {
     _saveAlarms(alarms);
   }
 
+  @override
+  Future<void> createLocation(Location location) async {
+    final locations = await loadLocations();
+    locations.add(location);
+    _saveLocations(locations);
+  }
+
   // Read
 
   @override
@@ -83,6 +106,15 @@ class LocalRepository implements TaskRepository, AlarmRepository {
     return jsonList.map<Alarm>((e) => Alarm.fromJson(jsonDecode(e))).toList();
   }
 
+  @override
+  Future<List<Location>> loadLocations() async {
+    final Iterable<String> jsonList =
+        _prefs!.getStringList(_locationsKey) ?? [];
+    return jsonList
+        .map<Location>((e) => Location.fromJson(jsonDecode(e)))
+        .toList();
+  }
+
   // Update
 
   @override
@@ -106,6 +138,14 @@ class LocalRepository implements TaskRepository, AlarmRepository {
     _saveAlarms(alarms);
   }
 
+  @override
+  Future<void> updateLocation(Location location) async {
+    final locations = await loadLocations();
+    locations.remove(location);
+    locations.add(location);
+    _saveLocations(locations);
+  }
+
   // Delete
 
   @override
@@ -128,4 +168,11 @@ class LocalRepository implements TaskRepository, AlarmRepository {
     alarms.remove(alarm);
     _saveAlarms(alarms);
   }
+
+  @override
+  Future<void> deleteLocation(Location location) async {
+    final locations = await loadLocations();
+    locations.remove(location);
+    _saveLocations(locations);
+  }
 }
diff --git a/lib/model/task.dart b/lib/model/task.dart
index f4554f9..cecddd7 100644
--- a/lib/model/task.dart
+++ b/lib/model/task.dart
@@ -9,8 +9,6 @@ class Task {
   final bool isCompleted;
   final String category;
   final List<Task> subtasks;
-  final List<DateTime> alarms;
-  final Location? location;
   final String url;
 
   Task({
@@ -22,8 +20,6 @@ class Task {
     this.isCompleted = false,
     this.category = '',
     this.subtasks = const [],
-    this.alarms = const [],
-    this.location,
     this.url = '',
   });
 
@@ -49,8 +45,6 @@ class Task {
       isCompleted: isCompleted ?? this.isCompleted,
       category: category ?? this.category,
       subtasks: subtasks ?? this.subtasks,
-      alarms: alarms ?? this.alarms,
-      location: location ?? this.location,
       url: url ?? this.url,
     );
   }
@@ -71,14 +65,6 @@ class Task {
               ?.map((e) => Task.fromJson(e as Map<String, dynamic>))
               .toList() ??
           [],
-      alarms:
-          (json['alarms'] as List<dynamic>?)
-              ?.map((e) => DateTime.parse(e as String))
-              .toList() ??
-          [],
-      location: json['location'] != null
-          ? Location.fromJson(json['location'] as Map<String, dynamic>)
-          : null,
       url: json['url'] as String? ?? '',
     );
   }
@@ -93,8 +79,6 @@ class Task {
       'isCompleted': isCompleted,
       'category': category,
       'subtasks': subtasks.map((e) => e.toJson()).toList(),
-      'alarms': alarms.map((e) => e.toIso8601String()).toList(),
-      'location': location?.toJson(),
       'url': url,
     };
   }
diff --git a/lib/model/time_alarm.dart b/lib/model/time_alarm.dart
index 04a8f5e..f7aabc5 100644
--- a/lib/model/time_alarm.dart
+++ b/lib/model/time_alarm.dart
@@ -4,19 +4,31 @@ class TimeAlarm implements Alarm {
   @override
   final String id;
 
+  @override
+  final String taskId;
+
   final DateTime triggerAt;
 
-  const TimeAlarm({required this.id, required this.triggerAt});
+  const TimeAlarm({
+    required this.id,
+    required this.taskId,
+    required this.triggerAt,
+  });
 
   factory TimeAlarm.fromJson(Map<String, dynamic> json) {
     return TimeAlarm(
       id: json['id'] as String,
+      taskId: json['taskId'] as String,
       triggerAt: DateTime.parse(json['triggerAt'] as String),
     );
   }
 
   @override
   Map<String, dynamic> toJson() {
-    return {'id': id, 'triggerAt': triggerAt.toIso8601String()};
+    return {
+      'id': id,
+      'taskId': taskId,
+      'triggerAt': triggerAt.toIso8601String(),
+    };
   }
 }
diff --git a/lib/pages/task_edit_page.dart b/lib/pages/task_edit_page.dart
index e31fade..36c2d1d 100644
--- a/lib/pages/task_edit_page.dart
+++ b/lib/pages/task_edit_page.dart
@@ -3,7 +3,7 @@ import 'package:flutter/material.dart';
 import '../model/callback_models/create_task_request.dart';
 import '../model/extensions/controller_context.dart';
 import '../model/task.dart';
-import '../service/task_controller.dart';
+import '../service/controllers/task_controller.dart';
 import '../service/tools.dart';
 import '../widgets/time_selector.dart';
 
@@ -139,8 +139,6 @@ class _TaskEditPageState extends State<TaskEditPage> {
         isCompleted: false,
         category: categoryController.text,
         subtasks: [],
-        alarms: [],
-        location: null,
         url: urlController.text,
       ),
     );
diff --git a/lib/pages/task_overview_page.dart b/lib/pages/task_overview_page.dart
index 92be7a3..9f26226 100644
--- a/lib/pages/task_overview_page.dart
+++ b/lib/pages/task_overview_page.dart
@@ -3,8 +3,9 @@ import 'package:flutter/material.dart';
 import '../model/callback_models/create_task_request.dart';
 import '../model/extensions/controller_context.dart';
 import '../model/task.dart';
-import '../service/task_controller.dart';
+import '../service/controllers/task_controller.dart';
 import '../service/tools.dart';
+import '../widgets/task_dismissible.dart';
 import 'task_edit_page.dart';
 
 class TaskOverviewPage extends StatefulWidget {
@@ -37,24 +38,28 @@ class _TaskOverviewPageState extends State<TaskOverviewPage> {
   Widget itemBuilder(BuildContext context, int index) {
     final task = tasks.elementAt(index);
 
-    return ListTile(
+    return TaskDismissible(
       key: Key(task.id),
-      title: Text(task.title),
-      subtitle: task.description.isNotEmpty ? Text(task.description) : null,
-      trailing: Checkbox(
-        value: task.isCompleted,
-        onChanged: (isCompleted) => context
-            .controller<TaskController>()
-            .saveTask(task.copyWith(isCompleted: isCompleted)),
+      onDismissedRight: () =>
+          context.controller<TaskController>().deleteTask(task),
+      child: ListTile(
+        title: Text(task.title),
+        subtitle: task.description.isNotEmpty ? Text(task.description) : null,
+        trailing: Checkbox(
+          value: task.isCompleted,
+          onChanged: (isCompleted) => context
+              .controller<TaskController>()
+              .saveTask(task.copyWith(isCompleted: isCompleted)),
+        ),
+        onTap: () async {
+          final result = await onTaskTapped(task);
+          if (result != null && context.mounted) {
+            context.controller<TaskController>().saveTask(
+              result.toTask(id: task.id),
+            );
+          }
+        },
       ),
-      onTap: () async {
-        final result = await onTaskTapped(task);
-        if (result != null && context.mounted) {
-          context.controller<TaskController>().saveTask(
-            result.toTask(id: task.id),
-          );
-        }
-      },
     );
   }
 
diff --git a/lib/service/controllers/alarm_controller.dart b/lib/service/controllers/alarm_controller.dart
new file mode 100644
index 0000000..985ae25
--- /dev/null
+++ b/lib/service/controllers/alarm_controller.dart
@@ -0,0 +1,31 @@
+import 'package:flutter/material.dart';
+
+import '../../model/alarm.dart';
+import '../../model/repositories/interfaces/alarm_repository.dart';
+
+class AlarmController extends ChangeNotifier {
+  AlarmController(AlarmRepository repository) : _repository = repository {
+    _loadAlarms();
+  }
+
+  final AlarmRepository _repository;
+
+  final List<Alarm> _alarms = [];
+
+  Future<void> addAlarm(Alarm alarm) {
+    _alarms.add(alarm);
+    notifyListeners();
+    return _repository.createAlarm(alarm);
+  }
+
+  Future<void> deleteAlarm(Alarm alarm) {
+    _alarms.remove(alarm);
+    notifyListeners();
+    return _repository.deleteAlarm(alarm);
+  }
+
+  Future<void> _loadAlarms() {
+    _alarms.clear();
+    return _repository.loadAlarms().then((value) => _alarms.addAll(value));
+  }
+}
diff --git a/lib/service/controllers/location_controller.dart b/lib/service/controllers/location_controller.dart
new file mode 100644
index 0000000..ad8850a
--- /dev/null
+++ b/lib/service/controllers/location_controller.dart
@@ -0,0 +1,33 @@
+import 'package:flutter/material.dart';
+
+import '../../model/location.dart';
+import '../../model/repositories/interfaces/location_repository.dart';
+
+class LocationController extends ChangeNotifier {
+  LocationController(LocationRepository repository) : _repository = repository {
+    _loadLocations();
+  }
+
+  final LocationRepository _repository;
+
+  final List<Location> _locations = [];
+
+  Future<void> addLocation(Location location) {
+    _locations.add(location);
+    notifyListeners();
+    return _repository.createLocation(location);
+  }
+
+  Future<void> deleteLocation(Location location) {
+    _locations.remove(location);
+    notifyListeners();
+    return _repository.deleteLocation(location);
+  }
+
+  Future<void> _loadLocations() {
+    _locations.clear();
+    return _repository.loadLocations().then(
+      (value) => _locations.addAll(value),
+    );
+  }
+}
diff --git a/lib/service/task_controller.dart b/lib/service/controllers/task_controller.dart
similarity index 94%
rename from lib/service/task_controller.dart
rename to lib/service/controllers/task_controller.dart
index 00675ea..2e9bba6 100644
--- a/lib/service/task_controller.dart
+++ b/lib/service/controllers/task_controller.dart
@@ -1,7 +1,7 @@
 import 'package:flutter/material.dart' show ChangeNotifier;
 
-import '../model/repositories/interfaces/task_repository.dart';
-import '../model/task.dart';
+import '../../model/repositories/interfaces/task_repository.dart';
+import '../../model/task.dart';
 
 class TaskController extends ChangeNotifier {
   TaskController(TaskRepository repository) : _repository = repository {
diff --git a/lib/widgets/task_dismissible.dart b/lib/widgets/task_dismissible.dart
new file mode 100644
index 0000000..5df9a80
--- /dev/null
+++ b/lib/widgets/task_dismissible.dart
@@ -0,0 +1,41 @@
+import 'package:flutter/material.dart';
+
+class TaskDismissible extends StatelessWidget {
+  const TaskDismissible({
+    required super.key,
+    this.onDismissedRight,
+    required this.child,
+  });
+
+  final VoidCallback? onDismissedRight;
+  final Widget child;
+
+  @override
+  Widget build(BuildContext context) {
+    return Dismissible(
+      key: key!,
+      direction: DismissDirection.startToEnd,
+      background: Container(
+        color: Theme.of(context).colorScheme.error,
+        child: Align(
+          alignment: AlignmentGeometry.centerLeft,
+          child: Padding(
+            padding: const EdgeInsets.symmetric(horizontal: 12),
+            child: Icon(
+              Icons.delete,
+              color: Theme.of(context).colorScheme.onError,
+            ),
+          ),
+        ),
+      ),
+      onDismissed: onDismissed,
+      child: child,
+    );
+  }
+
+  void onDismissed(DismissDirection direction) {
+    if (direction == DismissDirection.startToEnd && onDismissedRight != null) {
+      onDismissedRight!();
+    }
+  }
+}