diff --git a/lib/pages/analytics/modules/air_quality/blocs/device_location/device_location_event.dart b/lib/pages/analytics/modules/air_quality/blocs/device_location/device_location_event.dart
index 376d055b..37137e4a 100644
--- a/lib/pages/analytics/modules/air_quality/blocs/device_location/device_location_event.dart
+++ b/lib/pages/analytics/modules/air_quality/blocs/device_location/device_location_event.dart
@@ -7,7 +7,7 @@ sealed class DeviceLocationEvent extends Equatable {
   List<Object?> get props => [];
 }
 
-class LoadDeviceLocationEvent extends DeviceLocationEvent {
+final class LoadDeviceLocationEvent extends DeviceLocationEvent {
   const LoadDeviceLocationEvent(this.param);
 
   final GetDeviceLocationDataParam param;
@@ -16,6 +16,6 @@ class LoadDeviceLocationEvent extends DeviceLocationEvent {
   List<Object?> get props => [param];
 }
 
-class ClearDeviceLocationEvent extends DeviceLocationEvent {
+final class ClearDeviceLocationEvent extends DeviceLocationEvent {
   const ClearDeviceLocationEvent();
 }
diff --git a/lib/pages/analytics/modules/air_quality/blocs/device_location/device_location_state.dart b/lib/pages/analytics/modules/air_quality/blocs/device_location/device_location_state.dart
index 15c681b6..8f66ad28 100644
--- a/lib/pages/analytics/modules/air_quality/blocs/device_location/device_location_state.dart
+++ b/lib/pages/analytics/modules/air_quality/blocs/device_location/device_location_state.dart
@@ -2,7 +2,7 @@ part of 'device_location_bloc.dart';
 
 enum DeviceLocationStatus { initial, loading, success, failure }
 
-class DeviceLocationState extends Equatable {
+final class DeviceLocationState extends Equatable {
   const DeviceLocationState({
     this.status = DeviceLocationStatus.initial,
     this.locationInfo,