diff --git a/src/Avalonia.Controls.DataGrid/Properties/AssemblyInfo.cs b/src/Avalonia.Controls.DataGrid/Properties/AssemblyInfo.cs
index d5ad4c75f8..5c30a1b23e 100644
--- a/src/Avalonia.Controls.DataGrid/Properties/AssemblyInfo.cs
+++ b/src/Avalonia.Controls.DataGrid/Properties/AssemblyInfo.cs
@@ -8,7 +8,4 @@ using Avalonia.Metadata;
 [assembly: InternalsVisibleTo("Avalonia.Controls.UnitTests")]
 [assembly: InternalsVisibleTo("Avalonia.DesignerSupport")]
 
-[assembly: XmlnsDefinition("https://github.com/avaloniaui", "Avalonia")]
 [assembly: XmlnsDefinition("https://github.com/avaloniaui", "Avalonia.Controls")]
-[assembly: XmlnsDefinition("https://github.com/avaloniaui", "Avalonia.Controls.Primitives")]
-[assembly: XmlnsDefinition("https://github.com/avaloniaui", "Avalonia.Controls.Collections")]