diff --git a/kcms/cellularnetwork/ui/PopupDialog.qml b/kcms/cellularnetwork/ui/PopupDialog.qml
deleted file mode 100644
index f777115c..00000000
--- a/kcms/cellularnetwork/ui/PopupDialog.qml
+++ /dev/null
@@ -1,100 +0,0 @@
-// SPDX-FileCopyrightText: 2021 Devin Lin <devin@kde.org>
-// SPDX-License-Identifier: GPL-2.0-or-later
-
-import QtQuick 2.15
-import QtQuick.Layouts 1.2
-import QtQuick.Controls 2.15 as Controls
-import Qt5Compat.GraphicalEffects
-import org.kde.kirigami 2.12 as Kirigami
-
-Controls.Dialog {
-    id: dialog
-
-    anchors.centerIn: Controls.Overlay.overlay
-    modal: true
-    padding: Kirigami.Units.smallSpacing
-    closePolicy: Controls.Popup.CloseOnEscape | Controls.Popup.CloseOnReleaseOutside
-
-    property int translateY: (1 - opacity) * Kirigami.Units.gridUnit * 2
-
-    NumberAnimation on opacity {
-        from: 0; to: 1;
-        duration: Kirigami.Units.veryShortDuration
-        easing.type: Easing.InOutQuad
-        running: true
-    }
-
-    contentItem.transform: Translate { y: dialog.translateY }
-    footer.transform: Translate { y: dialog.translateY }
-
-    header: Item {
-        transform: Translate { y: dialog.translateY }
-        implicitHeight: heading.implicitHeight + Kirigami.Units.largeSpacing * 2
-
-        Kirigami.Heading {
-            id: heading
-            level: 2
-            text: dialog.title
-            elide: Text.ElideRight
-            anchors.left: parent.left
-            anchors.right: parent.right
-            anchors.leftMargin: Kirigami.Units.largeSpacing
-            anchors.verticalCenter: parent.verticalCenter
-
-            // use tooltip for long text that is elided
-            Controls.ToolTip.visible: truncated && titleHoverHandler.hovered
-            Controls.ToolTip.text: dialog.title
-            HoverHandler {
-                id: titleHoverHandler
-            }
-        }
-    }
-
-    background: Item {
-        transform: Translate { y: dialog.translateY }
-
-        RectangularGlow {
-            anchors.fill: rect
-            anchors.topMargin: 1
-            cornerRadius: rect.radius * 2
-            glowRadius: 2
-            spread: 0.2
-            color: Qt.rgba(0, 0, 0, 0.3)
-        }
-        Rectangle {
-            id: rect
-            anchors.fill: parent
-            Kirigami.Theme.inherit: false
-            Kirigami.Theme.colorSet: Kirigami.Theme.Window
-            color: Kirigami.Theme.backgroundColor
-            radius: Kirigami.Units.smallSpacing
-
-            Kirigami.Separator {
-                id: topSeparator
-                anchors.left: parent.left
-                anchors.right: parent.right
-                anchors.top: parent.top
-                anchors.topMargin: dialog.header.implicitHeight
-            }
-
-            Kirigami.Separator {
-                id: bottomSeparator
-                anchors.left: parent.left
-                anchors.right: parent.right
-                anchors.bottom: parent.bottom
-                anchors.bottomMargin: dialog.footer.implicitHeight
-            }
-
-            Rectangle {
-                Kirigami.Theme.inherit: false
-                Kirigami.Theme.colorSet: Kirigami.Theme.View
-                color: Kirigami.Theme.backgroundColor
-                anchors.left: parent.left
-                anchors.right: parent.right
-                anchors.top: topSeparator.bottom
-                anchors.bottom: bottomSeparator.top
-            }
-        }
-    }
-}
-