chore: More cleanup

src/Uno.UI/UI/Xaml/DependencyObjectStore.cs

@@ -1936,8 +1936,8 @@ namespace Microsoft.UI.Xaml
 			if (propertyMetadata.HasPropertyChanged)
 			{
 				eventArgs ??= new DependencyPropertyChangedEventArgs(property, previousValue, newValue
-#if __IOS__ || __MACOS__ || IS_UNIT_TESTS
-					, previousPrecedence, newPrecedence
+#if IS_UNIT_TESTS
+					, newPrecedence
 #endif
 				);
 				propertyMetadata.RaisePropertyChangedNoNullCheck(actualInstanceAlias, eventArgs);
@@ -1952,8 +1952,8 @@ namespace Microsoft.UI.Xaml
 			if (actualInstanceAlias is IDependencyObjectInternal doInternal)
 			{
 				eventArgs ??= new DependencyPropertyChangedEventArgs(property, previousValue, newValue
-#if __IOS__ || __MACOS__ || IS_UNIT_TESTS
-					, previousPrecedence, newPrecedence
+#if IS_UNIT_TESTS
+					, newPrecedence
 #endif
 );
 				doInternal.OnPropertyChanged2(eventArgs);
@@ -1963,8 +1963,8 @@ namespace Microsoft.UI.Xaml
 			if (propertyDetails.CanRaisePropertyChanged)
 			{
 				eventArgs ??= new DependencyPropertyChangedEventArgs(property, previousValue, newValue
-#if __IOS__ || __MACOS__ || IS_UNIT_TESTS
-					, previousPrecedence, newPrecedence
+#if IS_UNIT_TESTS
+					, newPrecedence
 #endif
 				);
 				propertyDetails.RaisePropertyChangedNoNullCheck(actualInstanceAlias, eventArgs);
@@ -1976,8 +1976,8 @@ namespace Microsoft.UI.Xaml
 			{
 				var callback = currentCallbacks[callbackIndex];
 				eventArgs ??= new DependencyPropertyChangedEventArgs(property, previousValue, newValue
-#if __IOS__ || __MACOS__ || IS_UNIT_TESTS
-					, previousPrecedence, newPrecedence
+#if IS_UNIT_TESTS
+					, newPrecedence
 #endif
 				);
 				callback.Invoke(instanceRef, property, eventArgs);

src/Uno.UI/UI/Xaml/DependencyPropertyChangedEventArgs.cs

@@ -28,17 +28,15 @@ namespace Microsoft.UI.Xaml
 			DependencyProperty property,
 			object oldValue,
 			object newValue
-#if __IOS__ || __MACOS__ || IS_UNIT_TESTS
-			, DependencyPropertyValuePrecedences oldPrecedence,
-			DependencyPropertyValuePrecedences newPrecedence
+#if IS_UNIT_TESTS
+			, DependencyPropertyValuePrecedences newPrecedence
 #endif
 			)
 		{
 			Property = property;
 			OldValue = oldValue;
 			NewValue = newValue;
-#if __IOS__ || __MACOS__ || IS_UNIT_TESTS
-			OldPrecedence = oldPrecedence;
+#if IS_UNIT_TESTS
 			NewPrecedence = newPrecedence;
 #endif
 		}
@@ -55,7 +53,7 @@ namespace Microsoft.UI.Xaml
 
 		public DependencyProperty Property { get; }
 
-#if __IOS__ || __MACOS__ || IS_UNIT_TESTS
+#if IS_UNIT_TESTS
 		/// <summary>
 		/// Gets the dependency property value precedence of the new value
 		/// </summary>
@@ -64,15 +62,6 @@ namespace Microsoft.UI.Xaml
 			get;
 			private set;
 		}
-
-		/// <summary>
-		/// Gets the dependency property value precedence of the old value
-		/// </summary>
-		internal DependencyPropertyValuePrecedences OldPrecedence
-		{
-			get;
-			private set;
-		}
 #endif
 	}
 }