diff --git a/thermion_flutter/thermion_flutter/lib/src/widgets/src/camera/camera_options_widget.dart b/thermion_flutter/thermion_flutter/lib/src/widgets/src/camera/camera_options_widget.dart
index 249786bc..3b07ef6c 100644
--- a/thermion_flutter/thermion_flutter/lib/src/widgets/src/camera/camera_options_widget.dart
+++ b/thermion_flutter/thermion_flutter/lib/src/widgets/src/camera/camera_options_widget.dart
@@ -2,8 +2,6 @@ import 'package:thermion_dart/thermion_dart.dart';
 import 'package:flutter/material.dart';
 import '../../../utils/camera_orientation.dart';
 
-import 'dart:math';
-
 class CameraOptionsWidget extends StatefulWidget {
   final Camera camera;
   final CameraOrientation cameraOrientation;
@@ -59,9 +57,6 @@ class _CameraOptionsWidgetState extends State<CameraOptionsWidget> {
     setState(() {});
   }
 
-  double _bloom = 0.0;
-
-  double _focalLength = 26.0;
   @override
   Widget build(BuildContext context) {
     return Theme(
diff --git a/thermion_flutter/thermion_flutter/lib/src/widgets/src/viewer_widget.dart b/thermion_flutter/thermion_flutter/lib/src/widgets/src/viewer_widget.dart
index 465d1a31..8279347b 100644
--- a/thermion_flutter/thermion_flutter/lib/src/widgets/src/viewer_widget.dart
+++ b/thermion_flutter/thermion_flutter/lib/src/widgets/src/viewer_widget.dart
@@ -140,13 +140,13 @@ class _ViewerWidgetState extends State<ViewerWidget> {
         viewport = thermionWidget;
       case ManipulatorType.ORBIT:
         viewport = ThermionListenerWidget(
-            key: ObjectKey(ManipulatorType.ORBIT),
+            key: const ObjectKey(ManipulatorType.ORBIT),
             inputHandler: DelegateInputHandler.fixedOrbit(viewer!,
                 minimumDistance: widget.initialCameraPosition.length),
             child: thermionWidget);
       case ManipulatorType.FREE_FLIGHT:
         viewport = ThermionListenerWidget(
-            key: ObjectKey(ManipulatorType.FREE_FLIGHT),
+            key: const ObjectKey(ManipulatorType.FREE_FLIGHT),
             inputHandler: DelegateInputHandler.flight(viewer!),
             child: thermionWidget);
     }