diff --git a/lookandfeel/contents/systemdialog/SystemDialog.qml b/lookandfeel/contents/systemdialog/SystemDialog.qml
deleted file mode 100644
index d3a35ac6..00000000
--- a/lookandfeel/contents/systemdialog/SystemDialog.qml
+++ /dev/null
@@ -1,165 +0,0 @@
-// SPDX-FileCopyrightText: 2021-2024 Devin Lin <devin@kde.org>
-// SPDX-License-Identifier: LGPL-2.0-or-later
-
-import QtQuick
-import QtQuick.Controls as QQC2
-import QtQuick.Layouts
-import QtQuick.Window
-import Qt5Compat.GraphicalEffects
-import QtQuick.Templates as T
-import org.kde.kirigami as Kirigami
-
-Item {
-    id: root
-
-    // -- public API: should match plasma-workspace implementation --
-
-    default property Item mainItem
-    property string mainText: ""
-    property string subtitle: ""
-    property string iconName
-    property list<T.Action> actions
-    readonly property alias dialogButtonBox: footerButtonBox
-
-    required property Window window
-    readonly property real minimumHeight: implicitWidth
-    readonly property real minimumWidth: implicitHeight
-    readonly property int flags: Qt.FramelessWindowHint | Qt.Dialog
-    property var standardButtons // footerButtonBox standardButtons
-    readonly property int spacing: Kirigami.Units.gridUnit
-
-    function present() {
-        window.showMaximized();
-    }
-
-    onWindowChanged: {
-        if (window) {
-            window.color = Qt.rgba(0, 0, 0, 0.5);
-        }
-    }
-
-    Item {
-        id: windowItem
-        anchors.centerIn: parent
-        // margins for shadow
-        implicitWidth: Math.min(Screen.width, control.implicitWidth + 2 * Kirigami.Units.gridUnit)
-        implicitHeight: Math.min(Screen.height, control.implicitHeight + 2 * Kirigami.Units.gridUnit)
-
-        // shadow
-        RectangularGlow {
-            id: glow
-            anchors.topMargin: 1
-            anchors.fill: control
-            cached: true
-            glowRadius: 2
-            cornerRadius: Kirigami.Units.gridUnit
-            spread: 0.1
-            color: Qt.rgba(0, 0, 0, 0.4)
-        }
-
-        // actual window
-        QQC2.Control {
-            id: control
-            anchors.fill: parent
-            anchors.margins: glow.cornerRadius
-            topPadding: root.spacing
-            bottomPadding: root.spacing
-            rightPadding: root.spacing
-            leftPadding: root.spacing
-
-            implicitWidth: Kirigami.Units.gridUnit * 22
-
-            background: Item {
-                Rectangle { // border
-                    anchors.fill: parent
-                    anchors.margins: -1
-                    radius: Kirigami.Units.largeSpacing + 1
-                    color: Qt.darker(Kirigami.Theme.backgroundColor, 1.5)
-                }
-                Rectangle { // background colour
-                    anchors.fill: parent
-                    radius: Kirigami.Units.largeSpacing
-                    color: Kirigami.Theme.backgroundColor
-                }
-            }
-
-            contentItem: ColumnLayout {
-                id: column
-                spacing: 0
-
-                // header
-                Kirigami.Heading {
-                    Layout.fillWidth: true
-                    Layout.maximumWidth: root.window.maximumWidth
-                    level: 3
-                    font.weight: Font.Bold
-                    text: root.mainText
-                    wrapMode: Text.Wrap
-                    elide: Text.ElideRight
-                    horizontalAlignment: Text.AlignHCenter
-                }
-
-                QQC2.Label {
-                    Layout.topMargin: Kirigami.Units.largeSpacing
-                    Layout.bottomMargin: Kirigami.Units.largeSpacing
-                    Layout.maximumWidth: root.window.maximumWidth
-                    Layout.fillWidth: true
-                    text: root.subtitle
-                    visible: text.length > 0
-                    wrapMode: Text.Wrap
-                    horizontalAlignment: Text.AlignHCenter
-                }
-
-                Kirigami.Icon {
-                    Layout.topMargin: Kirigami.Units.largeSpacing
-                    Layout.alignment: Qt.AlignCenter
-                    source: root.iconName
-                    implicitWidth: Kirigami.Units.iconSizes.large
-                    implicitHeight: Kirigami.Units.iconSizes.large
-                }
-
-                // content
-                QQC2.Control {
-                    id: content
-
-                    Layout.fillHeight: true
-                    Layout.fillWidth: true
-                    Layout.topMargin: Kirigami.Units.gridUnit
-                    Layout.maximumWidth: root.window.maximumWidth
-
-                    leftPadding: 0
-                    rightPadding: 0
-                    topPadding: 0
-                    bottomPadding: 0
-
-                    contentItem: root.mainItem
-                    background: Item {}
-                }
-
-                QQC2.DialogButtonBox {
-                    id: footerButtonBox
-                    // ensure we never have no buttons, we always must have the cancel button available
-                    standardButtons: (root.standardButtons === QQC2.DialogButtonBox.NoButton) ? QQC2.DialogButtonBox.Cancel : root.standardButtons
-
-                    Layout.topMargin: Kirigami.Units.largeSpacing
-                    Layout.fillWidth: true
-                    Layout.maximumWidth: root.window.maximumWidth
-                    leftPadding: 0
-                    rightPadding: 0
-                    topPadding: 0
-                    bottomPadding: 0
-
-                    onAccepted: root.window.accept()
-                    onRejected: root.window.reject()
-
-                    Repeater {
-                        model: root.actions
-                        delegate: QQC2.Button {
-                            action: modelData
-                        }
-                    }
-                }
-            }
-        }
-    }
-}