diff --git a/packages/mix/lib/src/variants/context_variant_util/on_brightness_util.dart b/packages/mix/lib/src/variants/context_variant_util/on_brightness_util.dart
index bafa1e491..08944ca8f 100644
--- a/packages/mix/lib/src/variants/context_variant_util/on_brightness_util.dart
+++ b/packages/mix/lib/src/variants/context_variant_util/on_brightness_util.dart
@@ -21,7 +21,7 @@ class OnBrightnessVariant extends MediaQueryContextVariant {
   /// [brightness] associated with this variant, and `false` otherwise.
   @override
   bool when(BuildContext context) {
-    final mediaBrightness = MediaQuery.of(context).platformBrightness;
+    final mediaBrightness = MediaQuery.platformBrightnessOf(context);
 
     return mediaBrightness == brightness;
   }
diff --git a/packages/mix/lib/src/variants/context_variant_util/on_orientation_util.dart b/packages/mix/lib/src/variants/context_variant_util/on_orientation_util.dart
index 4654126b0..fb4639ce5 100644
--- a/packages/mix/lib/src/variants/context_variant_util/on_orientation_util.dart
+++ b/packages/mix/lib/src/variants/context_variant_util/on_orientation_util.dart
@@ -21,7 +21,7 @@ class OnOrientationVariant extends MediaQueryContextVariant {
   /// [orientation] associated with this variant, and `false` otherwise.
   @override
   bool when(BuildContext context) {
-    return MediaQuery.of(context).orientation == orientation;
+    return MediaQuery.orientationOf(context) == orientation;
   }
 
   /// The properties used for equality comparison.