diff --git a/lib/screens/metering/components/bottom_controls/components/widget_button_secondary.dart b/lib/screens/metering/components/bottom_controls/components/widget_button_secondary.dart
index 070d2de..e161bb6 100644
--- a/lib/screens/metering/components/bottom_controls/components/widget_button_secondary.dart
+++ b/lib/screens/metering/components/bottom_controls/components/widget_button_secondary.dart
@@ -14,14 +14,16 @@ class MeteringSecondaryButton extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    return FilledCircle(
-      color: Theme.of(context).colorScheme.surfaceVariant,
-      size: 48,
-      child: Center(
-        child: IconButton(
-          onPressed: onPressed,
-          color: Theme.of(context).colorScheme.onSurface,
-          icon: Icon(icon),
+    return Center(
+      child: FilledCircle(
+        color: Theme.of(context).colorScheme.surfaceVariant,
+        size: 48,
+        child: Center(
+          child: IconButton(
+            onPressed: onPressed,
+            color: Theme.of(context).colorScheme.onSurface,
+            icon: Icon(icon),
+          ),
         ),
       ),
     );
diff --git a/lib/screens/metering/components/bottom_controls/widget_bottom_controls.dart b/lib/screens/metering/components/bottom_controls/widget_bottom_controls.dart
index 1eeb1c7..3bf00e3 100644
--- a/lib/screens/metering/components/bottom_controls/widget_bottom_controls.dart
+++ b/lib/screens/metering/components/bottom_controls/widget_bottom_controls.dart
@@ -5,12 +5,10 @@ import 'components/widget_button_measure.dart';
 import 'components/widget_button_secondary.dart';
 
 class MeteringBottomControls extends StatelessWidget {
-  final VoidCallback onSourceChanged;
   final VoidCallback onMeasure;
   final VoidCallback onSettings;
 
   const MeteringBottomControls({
-    required this.onSourceChanged,
     required this.onMeasure,
     required this.onSettings,
     super.key,
@@ -32,16 +30,15 @@ class MeteringBottomControls extends StatelessWidget {
             child: Row(
               mainAxisAlignment: MainAxisAlignment.spaceEvenly,
               children: [
-                MeteringSecondaryButton(
-                  onPressed: onSourceChanged,
-                  icon: Icons.flip_camera_android,
-                ),
+                const Spacer(),
                 MeteringMeasureButton(
                   onTap: onMeasure,
                 ),
-                MeteringSecondaryButton(
-                  onPressed: onSettings,
-                  icon: Icons.settings,
+                Expanded(
+                  child: MeteringSecondaryButton(
+                    onPressed: onSettings,
+                    icon: Icons.settings,
+                  ),
                 ),
               ],
             ),
diff --git a/lib/screens/metering/screen_metering.dart b/lib/screens/metering/screen_metering.dart
index 477878a..d50cb6d 100644
--- a/lib/screens/metering/screen_metering.dart
+++ b/lib/screens/metering/screen_metering.dart
@@ -86,7 +86,6 @@ class _MeteringScreenState extends State<MeteringScreen> {
                     ),
                   ),
                   MeteringBottomControls(
-                    onSourceChanged: () {},
                     onMeasure: () => context.read<MeteringBloc>().add(const MeasureEvent()),
                     onSettings: () {
                       Navigator.push(context, MaterialPageRoute(builder: (context) => const SettingsScreen()));