diff --git a/CMakeLists.txt b/CMakeLists.txt
index 63266e92..ac0f5861 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -8,7 +8,6 @@ list(APPEND CMAKE_MODULE_PATH ${FLUENTUI_DIRECTORY}/.cmake/)
 include(GetGitRevisionDescription)
 
 option(FLUENTUI_BUILD_EXAMPLES "Build FluentUI demo applications." ON)
-option(FLUENTUI_BUILD_FRAMELESSHEPLER "Build FramelessHelper." ON)
 option(FLUENTUI_BUILD_STATIC_LIB "Build static library." OFF)
 
 find_package(QT NAMES Qt6 Qt5 REQUIRED COMPONENTS Core)
@@ -32,15 +31,12 @@ if (FLUENTUI_BUILD_EXAMPLES)
     add_subdirectory(example)
 endif ()
 
-if (FLUENTUI_BUILD_FRAMELESSHEPLER)
-    set(FRAMELESSHELPER_BUILD_STATIC ON)
-    set(FRAMELESSHELPER_NO_DEBUG_OUTPUT ON)
-    set(FRAMELESSHELPER_BUILD_WIDGETS OFF)
-    add_subdirectory(framelesshelper)
-endif ()
+set(FRAMELESSHELPER_BUILD_STATIC ON)
+set(FRAMELESSHELPER_NO_DEBUG_OUTPUT ON)
+set(FRAMELESSHELPER_BUILD_WIDGETS OFF)
+add_subdirectory(framelesshelper)
 
 message("------------------------ FluentUI ------------------------")
 message("Build FluentUI demo applications.: ${FLUENTUI_BUILD_EXAMPLES}")
-message("Build FramelessHelper.: ${FLUENTUI_BUILD_FRAMELESSHEPLER}")
 message("Build static library.: ${FLUENTUI_BUILD_STATIC_LIB}")
 message("Path to FluentUI plugin.: ${FLUENTUI_QML_PLUGIN_DIRECTORY}")
diff --git a/example/qml-Qt6/component/CustomWindow.qml b/example/qml-Qt6/component/CustomWindow.qml
deleted file mode 100644
index 588cc008..00000000
--- a/example/qml-Qt6/component/CustomWindow.qml
+++ /dev/null
@@ -1,15 +0,0 @@
-import QtQuick
-import QtQuick.Layouts
-import FluentUI
-
-FluWindow {
-    id:window
-    property bool fixSize
-    property bool titleVisible: true
-    property bool appBarVisible: true
-
-    function setHitTestVisible(com){
-    }
-    function setTitleBarItem(com){
-    }
-}
diff --git a/src/Qt5/imports/FluentUI/Controls/FluWindow.qml b/src/Qt5/imports/FluentUI/Controls/FluWindow.qml
index 3ca47e8d..369aee15 100644
--- a/src/Qt5/imports/FluentUI/Controls/FluWindow.qml
+++ b/src/Qt5/imports/FluentUI/Controls/FluWindow.qml
@@ -31,7 +31,6 @@ Window {
         }
     }
     signal initArgument(var argument)
-    property bool showSystemAppBar: true
     id:window
     color:"transparent"
     Component.onCompleted: {
@@ -168,7 +167,7 @@ Window {
     FramelessHelper{
         id:framless_helper
         onReady: {
-            if(appBar && !showSystemAppBar){
+            if(appBar){
                 var title_bar = loader_title_bar.item
                 setTitleBarItem(title_bar)
                 moveWindowToDesktopCenter()
diff --git a/src/Qt6/imports/FluentUI/Controls/FluWindow.qml b/src/Qt6/imports/FluentUI/Controls/FluWindow.qml
index 946ff13c..b0a5a9c2 100644
--- a/src/Qt6/imports/FluentUI/Controls/FluWindow.qml
+++ b/src/Qt6/imports/FluentUI/Controls/FluWindow.qml
@@ -30,7 +30,6 @@ Window {
         }
     }
     signal initArgument(var argument)
-    property bool showSystemAppBar: true
     id:window
     color:"transparent"
     Component.onCompleted: {
@@ -167,7 +166,7 @@ Window {
     FramelessHelper{
         id:framless_helper
         onReady: {
-            if(appBar && !showSystemAppBar){
+            if(appBar){
                 var title_bar = loader_title_bar.item
                 setTitleBarItem(title_bar)
                 moveWindowToDesktopCenter()