diff --git a/demo/Semi.Avalonia.Demo/Pages/ExpanderDemo.axaml b/demo/Semi.Avalonia.Demo/Pages/ExpanderDemo.axaml
index bd2cc1e..c52c5b3 100644
--- a/demo/Semi.Avalonia.Demo/Pages/ExpanderDemo.axaml
+++ b/demo/Semi.Avalonia.Demo/Pages/ExpanderDemo.axaml
@@ -9,7 +9,6 @@
     mc:Ignorable="d">
     <StackPanel Spacing="20">
         <StackPanel>
-            <Slider Name="SliderTest" Maximum="400" Minimum="0" TickFrequency="1" IsSnapToTickEnabled="True" />
             <Expander Header="Expander 1">
                 <TextBlock Text="Hello Avalonia!" />
             </Expander>