diff --git a/src/Dock.Avalonia.Themes.Default/ToolControl.xaml b/src/Dock.Avalonia.Themes.Default/ToolControl.xaml
index a957cd2d8..49abc5b65 100644
--- a/src/Dock.Avalonia.Themes.Default/ToolControl.xaml
+++ b/src/Dock.Avalonia.Themes.Default/ToolControl.xaml
@@ -17,7 +17,6 @@
                         </Style>
                         <Style Selector="Border.panel">
                             <Setter Property="Margin" Value="0" />
-                            <Setter Property="Padding" Value="4" />
                             <Setter Property="BorderBrush" Value="{DynamicResource ThemeBorderLowBrush}" />
                             <Setter Property="BorderThickness" Value="1 0 1 1" />
                         </Style>