diff --git a/src/Avalonia.Base/Data/Core/Plugins/DataAnnotationsValidationPlugin.cs b/src/Avalonia.Base/Data/Core/Plugins/DataAnnotationsValidationPlugin.cs
index ba5f59ea23..bc300386b9 100644
--- a/src/Avalonia.Base/Data/Core/Plugins/DataAnnotationsValidationPlugin.cs
+++ b/src/Avalonia.Base/Data/Core/Plugins/DataAnnotationsValidationPlugin.cs
@@ -10,7 +10,7 @@ namespace Avalonia.Data.Core.Plugins
     /// <summary>
     /// Validates properties on that have <see cref="ValidationAttribute"/>s.
     /// </summary>
-    internal class DataAnnotationsValidationPlugin : IDataValidationPlugin
+    public class DataAnnotationsValidationPlugin : IDataValidationPlugin
     {
         /// <inheritdoc/>
         [RequiresUnreferencedCode(TrimmingMessages.DataValidationPluginRequiresUnreferencedCodeMessage)]
diff --git a/src/Avalonia.Base/Data/Core/Plugins/ExceptionValidationPlugin.cs b/src/Avalonia.Base/Data/Core/Plugins/ExceptionValidationPlugin.cs
index e60a341309..2bb8da2c74 100644
--- a/src/Avalonia.Base/Data/Core/Plugins/ExceptionValidationPlugin.cs
+++ b/src/Avalonia.Base/Data/Core/Plugins/ExceptionValidationPlugin.cs
@@ -7,7 +7,7 @@ namespace Avalonia.Data.Core.Plugins
     /// <summary>
     /// Validates properties that report errors by throwing exceptions.
     /// </summary>
-    internal class ExceptionValidationPlugin : IDataValidationPlugin
+    public class ExceptionValidationPlugin : IDataValidationPlugin
     {
         /// <inheritdoc/>
         [RequiresUnreferencedCode(TrimmingMessages.DataValidationPluginRequiresUnreferencedCodeMessage)]
diff --git a/src/Avalonia.Base/Data/Core/Plugins/IndeiValidationPlugin.cs b/src/Avalonia.Base/Data/Core/Plugins/IndeiValidationPlugin.cs
index 3384a99333..87a2f67ee8 100644
--- a/src/Avalonia.Base/Data/Core/Plugins/IndeiValidationPlugin.cs
+++ b/src/Avalonia.Base/Data/Core/Plugins/IndeiValidationPlugin.cs
@@ -10,7 +10,7 @@ namespace Avalonia.Data.Core.Plugins
     /// <summary>
     /// Validates properties on objects that implement <see cref="INotifyDataErrorInfo"/>.
     /// </summary>
-    internal class IndeiValidationPlugin : IDataValidationPlugin
+    public class IndeiValidationPlugin : IDataValidationPlugin
     {
         private static readonly WeakEvent<INotifyDataErrorInfo, DataErrorsChangedEventArgs>
             ErrorsChangedWeakEvent = WeakEvent.Register<INotifyDataErrorInfo, DataErrorsChangedEventArgs>(