diff --git a/doric-Qt/example/doric/resources/alert.qml b/doric-Qt/example/doric/resources/alert.qml
index f6431859..70474ea8 100644
--- a/doric-Qt/example/doric/resources/alert.qml
+++ b/doric-Qt/example/doric/resources/alert.qml
@@ -4,7 +4,7 @@ import QtQuick.Controls 2.12
 ApplicationWindow {
     id: window
 
-    flags: flags | Qt.WindowStaysOnTopHint | Qt.Tool | Qt.FramelessWindowHint
+    flags: Qt.WindowStaysOnTopHint | Qt.Tool | Qt.FramelessWindowHint
     visible: true
     modality: Qt.ApplicationModal
 
diff --git a/doric-Qt/example/doric/resources/confirm.qml b/doric-Qt/example/doric/resources/confirm.qml
index d5e26a0d..ab74fedb 100644
--- a/doric-Qt/example/doric/resources/confirm.qml
+++ b/doric-Qt/example/doric/resources/confirm.qml
@@ -4,7 +4,7 @@ import QtQuick.Controls 2.12
 ApplicationWindow {
     id: window
 
-    flags: flags | Qt.WindowStaysOnTopHint | Qt.Tool | Qt.FramelessWindowHint
+    flags: Qt.WindowStaysOnTopHint | Qt.Tool | Qt.FramelessWindowHint
     visible: true
     modality: Qt.ApplicationModal
 
diff --git a/doric-Qt/example/doric/resources/prompt.qml b/doric-Qt/example/doric/resources/prompt.qml
index 893e39d7..71afd705 100644
--- a/doric-Qt/example/doric/resources/prompt.qml
+++ b/doric-Qt/example/doric/resources/prompt.qml
@@ -5,7 +5,7 @@ import QtQuick.Layouts 1.15
 ApplicationWindow {
     id: window
 
-    flags: flags | Qt.WindowStaysOnTopHint | Qt.Tool | Qt.FramelessWindowHint
+    flags: Qt.WindowStaysOnTopHint | Qt.Tool | Qt.FramelessWindowHint
     visible: true
     modality: Qt.ApplicationModal
 
diff --git a/doric-Qt/example/doric/resources/toast.qml b/doric-Qt/example/doric/resources/toast.qml
index 1e49837e..a5702e2d 100644
--- a/doric-Qt/example/doric/resources/toast.qml
+++ b/doric-Qt/example/doric/resources/toast.qml
@@ -5,7 +5,7 @@ import QtQuick.Layouts 1.15
 ApplicationWindow {
     id: window
 
-    flags: flags | Qt.WindowStaysOnTopHint  | Qt.Tool | Qt.FramelessWindowHint | Qt.WindowTransparentForInput
+    flags: Qt.WindowStaysOnTopHint  | Qt.Tool | Qt.FramelessWindowHint | Qt.WindowTransparentForInput
 
     color: "#bb000000"
     visible: true