diff --git a/src/Avalonia.Controls/TreeView.cs b/src/Avalonia.Controls/TreeView.cs
index f0e00e1d7e..b2bd5ab2e5 100644
--- a/src/Avalonia.Controls/TreeView.cs
+++ b/src/Avalonia.Controls/TreeView.cs
@@ -217,7 +217,6 @@ namespace Avalonia.Controls
 
         private void SelectSingleItem(object item)
         {
-            var oldValue = SelectedItem;
             _syncingSelectedItems = true;
             SelectedItems.Clear();            
             SelectedItems.Add(item);
diff --git a/tests/Avalonia.Controls.UnitTests/TreeViewTests.cs b/tests/Avalonia.Controls.UnitTests/TreeViewTests.cs
index b90b74d794..9253d8a07f 100644
--- a/tests/Avalonia.Controls.UnitTests/TreeViewTests.cs
+++ b/tests/Avalonia.Controls.UnitTests/TreeViewTests.cs
@@ -1328,7 +1328,6 @@ namespace Avalonia.Controls.UnitTests
 
         private class TestDataContext : ReactiveObject
         {
-            private int _counter;
             private string _selectedItem;
 
             public TestDataContext()