diff --git a/Styles/Theme.xaml b/Styles/Theme.xaml
index 164a455..16687e9 100644
--- a/Styles/Theme.xaml
+++ b/Styles/Theme.xaml
@@ -31,16 +31,6 @@
     <FontFamily x:Key="ModernFont">Segoe UI, Apple SD Gothic Neo, Malgun Gothic</FontFamily>
     <FontFamily x:Key="IconFont">Segoe MDL2 Assets, Segoe Fluent Icons</FontFamily>
 
-    <!-- Global System Brushes Override (WPF DataGrid & Control 기본 시스템 브러시 덮어쓰기) -->
-    <SolidColorBrush x:Key="{x:Static SystemColors.HighlightBrushKey}" Color="#2563EB" />
-    <SolidColorBrush x:Key="{x:Static SystemColors.HighlightTextBrushKey}" Color="#FFFFFF" />
-    <SolidColorBrush x:Key="{x:Static SystemColors.InactiveSelectionHighlightBrushKey}" Color="#1D4ED8" />
-    <SolidColorBrush x:Key="{x:Static SystemColors.InactiveSelectionHighlightTextBrushKey}" Color="#FFFFFF" />
-    <SolidColorBrush x:Key="{x:Static SystemColors.WindowBrushKey}" Color="#1E293B" />
-    <SolidColorBrush x:Key="{x:Static SystemColors.WindowTextBrushKey}" Color="#F8FAFC" />
-    <SolidColorBrush x:Key="{x:Static SystemColors.ControlBrushKey}" Color="#0F172A" />
-    <SolidColorBrush x:Key="{x:Static SystemColors.ControlTextBrushKey}" Color="#F8FAFC" />
-
     <!-- Nav Button Style -->
     <Style x:Key="NavButtonStyle" TargetType="RadioButton">
         <Setter Property="Background" Value="Transparent" />