diff --git a/src/Semi.Avalonia/Controls/TabControl.axaml b/src/Semi.Avalonia/Controls/TabControl.axaml
index f0e5efa..6710481 100644
--- a/src/Semi.Avalonia/Controls/TabControl.axaml
+++ b/src/Semi.Avalonia/Controls/TabControl.axaml
@@ -100,7 +100,6 @@
                         BasedOn="{StaticResource {x:Type TabItem}}"
                         TargetType="TabItem">
                         <Style Selector="^[TabStripPlacement=Left]">
-                            <Setter Property="HorizontalContentAlignment" Value="Right" />
                             <Setter Property="BorderThickness" Value="0 0 2 0" />
                         </Style>
                     </ControlTheme>
@@ -115,7 +114,6 @@
                         BasedOn="{StaticResource {x:Type TabItem}}"
                         TargetType="TabItem">
                         <Style Selector="^[TabStripPlacement=Right]">
-                            <Setter Property="HorizontalContentAlignment" Value="Left" />
                             <Setter Property="BorderThickness" Value="2 0 0 0" />
                         </Style>
                     </ControlTheme>
@@ -283,7 +281,6 @@
                         BasedOn="{StaticResource {x:Type TabItem}}"
                         TargetType="TabItem">
                         <Style Selector="^[TabStripPlacement=Left]">
-                            <Setter Property="HorizontalContentAlignment" Value="Right" />
                             <Setter Property="BorderThickness" Value="0 0 2 0" />
                         </Style>
                     </ControlTheme>
@@ -298,7 +295,6 @@
                         BasedOn="{StaticResource {x:Type TabItem}}"
                         TargetType="TabItem">
                         <Style Selector="^[TabStripPlacement=Right]">
-                            <Setter Property="HorizontalContentAlignment" Value="Left" />
                             <Setter Property="BorderThickness" Value="2 0 0 0" />
                         </Style>
                     </ControlTheme>
diff --git a/src/Semi.Avalonia/Controls/TabItem.axaml b/src/Semi.Avalonia/Controls/TabItem.axaml
index f84aa29..6a55680 100644
--- a/src/Semi.Avalonia/Controls/TabItem.axaml
+++ b/src/Semi.Avalonia/Controls/TabItem.axaml
@@ -53,10 +53,6 @@
                 <Setter Property="Foreground" Value="{DynamicResource TabItemLineHeaderPointeroverForeground}" />
             </Style>
         </Style>
-
-        <Style Selector="^[TabStripPlacement=Right]">
-            <Setter Property="HorizontalContentAlignment" Value="Right" />
-        </Style>
     </ControlTheme>
 
     <ControlTheme
@@ -184,7 +180,6 @@
             </Style>
         </Style>
         <Style Selector="^[TabStripPlacement=Right]">
-            <Setter Property="HorizontalContentAlignment" Value="Right" />
             <Setter Property="Margin" Value="0 0 0 8" />
             <Setter Property="CornerRadius" Value="0 3 3 0" />
             <Style Selector="^:selected">