diff --git a/klipper/CMakeLists.txt b/klipper/CMakeLists.txt
--- a/klipper/CMakeLists.txt
+++ b/klipper/CMakeLists.txt
@@ -82,6 +82,7 @@
     KF5::IconThemes
     KF5::KIOWidgets    # PreviewJob
     KF5::Plasma
+    KF5::Notifications
     KF5::Service
     KF5::TextWidgets   # KTextEdit
     KF5::WidgetsAddons # KMessageBox
diff --git a/klipper/klipper.h b/klipper/klipper.h
--- a/klipper/klipper.h
+++ b/klipper/klipper.h
@@ -26,6 +26,7 @@
 #include <QTime>
 #include <QTimer>
 #include <QClipboard>
+#include <QPointer>
 
 #include "urlgrabber.h"
 
@@ -39,6 +40,7 @@
 class QMenu;
 class QMimeData;
 class HistoryItem;
+class KNotification;
 
 enum class KlipperMode {
     Standalone,
@@ -207,6 +209,7 @@
     KActionCollection* m_collection;
     KlipperMode m_mode;
     QTimer *m_saveFileTimer = nullptr;
+    QPointer<KNotification> m_notification;
 };
 
 #endif
diff --git a/klipper/klipper.cpp b/klipper/klipper.cpp
--- a/klipper/klipper.cpp
+++ b/klipper/klipper.cpp
@@ -36,6 +36,7 @@
 
 #include <KGlobalAccel>
 #include <KMessageBox>
+#include <KNotification>
 #include <KActionCollection>
 #include <KToggleAction>
 #include <KTextEdit>
@@ -227,6 +228,17 @@
     if (m_mode == KlipperMode::Standalone) {
         connect(qApp, &QGuiApplication::commitDataRequest, this, &Klipper::saveSession);
     }
+
+    connect(this, &Klipper::passivePopup, this,
+        [this] (const QString &caption, const QString &text) {
+            if (m_notification) {
+                m_notification->setTitle(caption);
+                m_notification->setText(text);
+            } else {
+                m_notification = KNotification::event(KNotification::Notification, caption, text, QStringLiteral("klipper"));
+            }
+        }
+    );
 }
 
 Klipper::~Klipper()
diff --git a/klipper/tray.h b/klipper/tray.h
--- a/klipper/tray.h
+++ b/klipper/tray.h
@@ -20,11 +20,8 @@
 #ifndef TRAY_H
 #define TRAY_H
 
-#include <QPointer>
-
 #include <KStatusNotifierItem>
 
-class KNotification;
 class Klipper;
 
 class KlipperTray : public KStatusNotifierItem
@@ -36,11 +33,9 @@
 
 public Q_SLOTS:
     void slotSetToolTipFromHistory();
-    void slotPassivePopup(const QString& caption, const QString& text);
 
 private:
     Klipper* m_klipper;
-    QPointer<KNotification> m_notification;
 };
 
 #endif
diff --git a/klipper/tray.cpp b/klipper/tray.cpp
--- a/klipper/tray.cpp
+++ b/klipper/tray.cpp
@@ -23,7 +23,6 @@
 #include "tray.h"
 
 #include <KLocalizedString>
-#include <KNotification>
 
 #include "klipper.h"
 #include "history.h"
@@ -46,7 +45,6 @@
     setAssociatedWidget( m_klipper->popup() );
     connect( m_klipper->history(), &History::changed, this, &KlipperTray::slotSetToolTipFromHistory);
     slotSetToolTipFromHistory();
-    connect(m_klipper, &Klipper::passivePopup, this, &KlipperTray::slotPassivePopup);
 }
 
 void KlipperTray::slotSetToolTipFromHistory()
@@ -64,15 +62,4 @@
     }
 }
 
-void KlipperTray::slotPassivePopup(const QString& caption, const QString& text)
-{
-    if (m_notification) {
-        m_notification->setTitle(caption);
-        m_notification->setText(text);
-    } else {
-        m_notification = KNotification::event(KNotification::Notification, caption, text,
-                                              QIcon::fromTheme(QStringLiteral("klipper")).pixmap(QSize(16, 16)));
-    }
-}
-