diff --git a/tests/Avalonia.Controls.UnitTests/Utils/HotKeyManagerTests.cs b/tests/Avalonia.Controls.UnitTests/Utils/HotKeyManagerTests.cs
index 2a3db9992c..b0eb694944 100644
--- a/tests/Avalonia.Controls.UnitTests/Utils/HotKeyManagerTests.cs
+++ b/tests/Avalonia.Controls.UnitTests/Utils/HotKeyManagerTests.cs
@@ -10,7 +10,6 @@ using Avalonia.Styling;
 using Avalonia.UnitTests;
 using Moq;
 using Xunit;
-using System;
 using Avalonia.Input.Raw;
 using Factory = System.Func<int, System.Action<object>, Avalonia.Controls.Window, Avalonia.AvaloniaObject>;
 
diff --git a/tests/Avalonia.Input.UnitTests/KeyboardDeviceTests.cs b/tests/Avalonia.Input.UnitTests/KeyboardDeviceTests.cs
index 7730cee78c..c354dbe72e 100644
--- a/tests/Avalonia.Input.UnitTests/KeyboardDeviceTests.cs
+++ b/tests/Avalonia.Input.UnitTests/KeyboardDeviceTests.cs
@@ -2,7 +2,6 @@
 using System.Windows.Input;
 using Avalonia.Controls;
 using Avalonia.Input.Raw;
-using Avalonia.Interactivity;
 using Avalonia.UnitTests;
 using Moq;
 using Xunit;
@@ -126,7 +125,7 @@ namespace Avalonia.Input.UnitTests
         {
             private readonly Action _action;
             public DelegateCommand(Action action) => _action = action;
-            public event EventHandler CanExecuteChanged;
+            public event EventHandler CanExecuteChanged { add { } remove { } }
             public bool CanExecute(object parameter) => true;
             public void Execute(object parameter) => _action();
         }
diff --git a/tests/Avalonia.Markup.Xaml.UnitTests/MarkupExtensions/DynamicResourceExtensionTests.cs b/tests/Avalonia.Markup.Xaml.UnitTests/MarkupExtensions/DynamicResourceExtensionTests.cs
index e7f0230254..592dbfc0d1 100644
--- a/tests/Avalonia.Markup.Xaml.UnitTests/MarkupExtensions/DynamicResourceExtensionTests.cs
+++ b/tests/Avalonia.Markup.Xaml.UnitTests/MarkupExtensions/DynamicResourceExtensionTests.cs
@@ -923,7 +923,7 @@ namespace Avalonia.Markup.Xaml.UnitTests.MarkupExtensions
         public bool HasResources => true;
         public List<object> RequestedResources { get; } = new List<object>();
 
-        public event EventHandler OwnerChanged;
+        public event EventHandler OwnerChanged { add { } remove { } }
 
         public void AddOwner(IResourceHost owner) => Owner = owner;
         public void RemoveOwner(IResourceHost owner) => Owner = null;