diff --git a/src/Ursa.Themes.Semi/Controls/Form.axaml b/src/Ursa.Themes.Semi/Controls/Form.axaml
index 355414c..67a9a0c 100644
--- a/src/Ursa.Themes.Semi/Controls/Form.axaml
+++ b/src/Ursa.Themes.Semi/Controls/Form.axaml
@@ -27,7 +27,7 @@
                         Height="1"
                         Margin="0,8"
                         HorizontalAlignment="Stretch"
-                        Fill="{DynamicResource FormGroupBorderBrush}" />
+                        Fill="{DynamicResource SemiColorBorder}" />
                     <ItemsPresenter ItemsPanel="{TemplateBinding ItemsPanel}" />
                 </StackPanel>
             </ControlTemplate>
diff --git a/src/Ursa.Themes.Semi/Themes/Dark/Form.axaml b/src/Ursa.Themes.Semi/Themes/Dark/Form.axaml
deleted file mode 100644
index 64b7836..0000000
--- a/src/Ursa.Themes.Semi/Themes/Dark/Form.axaml
+++ /dev/null
@@ -1,5 +0,0 @@
-<ResourceDictionary xmlns="https://github.com/avaloniaui"
-                    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
-    <!-- Add Resources Here -->
-    <SolidColorBrush x:Key="FormGroupBorderBrush" Color="White" Opacity="0.08"></SolidColorBrush>
-</ResourceDictionary>
diff --git a/src/Ursa.Themes.Semi/Themes/Dark/_index.axaml b/src/Ursa.Themes.Semi/Themes/Dark/_index.axaml
index 073516b..f42dc2f 100644
--- a/src/Ursa.Themes.Semi/Themes/Dark/_index.axaml
+++ b/src/Ursa.Themes.Semi/Themes/Dark/_index.axaml
@@ -7,7 +7,6 @@
         <MergeResourceInclude Source="Dialog.axaml" />
         <MergeResourceInclude Source="Divider.axaml" />
         <MergeResourceInclude Source="DualBadge.axaml" />
-        <MergeResourceInclude Source="Form.axaml" />
         <MergeResourceInclude Source="IPv4Box.axaml" />
         <MergeResourceInclude Source="KeyGestureInput.axaml" />
         <MergeResourceInclude Source="Loading.axaml" />
diff --git a/src/Ursa.Themes.Semi/Themes/Light/Form.axaml b/src/Ursa.Themes.Semi/Themes/Light/Form.axaml
deleted file mode 100644
index 64a484e..0000000
--- a/src/Ursa.Themes.Semi/Themes/Light/Form.axaml
+++ /dev/null
@@ -1,5 +0,0 @@
-<ResourceDictionary xmlns="https://github.com/avaloniaui"
-                    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
-    <!-- Add Resources Here -->
-    <SolidColorBrush x:Key="FormGroupBorderBrush" Color="#FF1C1F23" Opacity="0.08"></SolidColorBrush>
-</ResourceDictionary>
diff --git a/src/Ursa.Themes.Semi/Themes/Light/_index.axaml b/src/Ursa.Themes.Semi/Themes/Light/_index.axaml
index 073516b..f42dc2f 100644
--- a/src/Ursa.Themes.Semi/Themes/Light/_index.axaml
+++ b/src/Ursa.Themes.Semi/Themes/Light/_index.axaml
@@ -7,7 +7,6 @@
         <MergeResourceInclude Source="Dialog.axaml" />
         <MergeResourceInclude Source="Divider.axaml" />
         <MergeResourceInclude Source="DualBadge.axaml" />
-        <MergeResourceInclude Source="Form.axaml" />
         <MergeResourceInclude Source="IPv4Box.axaml" />
         <MergeResourceInclude Source="KeyGestureInput.axaml" />
         <MergeResourceInclude Source="Loading.axaml" />