diff --git a/libnotificationmanager/jobsmodel.h b/libnotificationmanager/jobsmodel.h
--- a/libnotificationmanager/jobsmodel.h
+++ b/libnotificationmanager/jobsmodel.h
@@ -57,6 +57,7 @@
     QVariant data(const QModelIndex &index, int role) const override;
     bool setData(const QModelIndex &index, const QVariant &value, int role) override;
     int rowCount(const QModelIndex &parent = QModelIndex()) const override;
+    QHash<int, QByteArray> roleNames() const override;
 
     /**
      * @brief Close a job
diff --git a/libnotificationmanager/jobsmodel.cpp b/libnotificationmanager/jobsmodel.cpp
--- a/libnotificationmanager/jobsmodel.cpp
+++ b/libnotificationmanager/jobsmodel.cpp
@@ -22,6 +22,7 @@
 #include "jobsmodel_p.h"
 
 #include "notifications.h"
+#include "utils_p.h"
 
 #include <QDebug>
 #include <QScopedPointer>
@@ -176,6 +177,11 @@
     return d->m_jobViews.count();
 }
 
+QHash<int, QByteArray> JobsModel::roleNames() const
+{
+    return Utils::roleNames();
+}
+
 void JobsModel::close(const QModelIndex &idx)
 {
     if (checkIndex(idx)) {
diff --git a/libnotificationmanager/notifications.cpp b/libnotificationmanager/notifications.cpp
--- a/libnotificationmanager/notifications.cpp
+++ b/libnotificationmanager/notifications.cpp
@@ -843,26 +843,5 @@
 
 QHash<int, QByteArray> Notifications::roleNames() const
 {
-    static QHash<int, QByteArray> s_roles;
-
-    if (s_roles.isEmpty()) {
-        s_roles = QSortFilterProxyModel::roleNames();
-
-        // This generates role names from the Roles enum in the form of: FooRole -> foo
-        const QMetaEnum e = staticMetaObject.enumerator(staticMetaObject.indexOfEnumerator("Roles"));
-
-        for (int i = 0; i < e.keyCount(); ++i) {
-            const int value = e.value(i);
-
-            QByteArray key(e.key(i));
-            key[0] = key[0] + 32; // lower case first letter
-            key.chop(4); // strip "Role" suffix
-
-            s_roles.insert(value, key);
-        }
-
-        s_roles.insert(IdRole, QByteArrayLiteral("notificationId")); // id is QML-reserved
-    }
-
-    return s_roles;
+    return Utils::roleNames();
 }
diff --git a/libnotificationmanager/notificationsmodel.h b/libnotificationmanager/notificationsmodel.h
--- a/libnotificationmanager/notificationsmodel.h
+++ b/libnotificationmanager/notificationsmodel.h
@@ -45,6 +45,7 @@
     QVariant data(const QModelIndex &index, int role) const override;
     bool setData(const QModelIndex &index, const QVariant &value, int role) override;
     int rowCount(const QModelIndex &parent = QModelIndex()) const override;
+    QHash<int, QByteArray> roleNames() const override;
 
     void expire(uint notificationId);
     void close(uint notificationId);
diff --git a/libnotificationmanager/notificationsmodel.cpp b/libnotificationmanager/notificationsmodel.cpp
--- a/libnotificationmanager/notificationsmodel.cpp
+++ b/libnotificationmanager/notificationsmodel.cpp
@@ -23,6 +23,7 @@
 #include "debug.h"
 
 #include "server.h"
+#include "utils_p.h"
 
 #include "notifications.h"
 
@@ -350,6 +351,11 @@
     return d->notifications.count();
 }
 
+QHash<int, QByteArray> NotificationsModel::roleNames() const
+{
+    return Utils::roleNames();
+}
+
 void NotificationsModel::expire(uint notificationId)
 {
     if (d->rowOfNotification(notificationId) > -1) {
diff --git a/libnotificationmanager/utils.cpp b/libnotificationmanager/utils.cpp
--- a/libnotificationmanager/utils.cpp
+++ b/libnotificationmanager/utils.cpp
@@ -20,20 +20,51 @@
 
 #include "utils_p.h"
 
+#include "notifications.h"
+
 #include <QAbstractItemModel>
 #include <QAbstractProxyModel>
 #include <QCoreApplication>
 #include <QDBusConnection>
 #include <QDBusConnectionInterface>
 #include <QFile>
+#include <QMetaEnum>
 #include <QTextStream>
 
 #include <KConcatenateRowsProxyModel>
 
 #include <KProcessList>
 
 using namespace NotificationManager;
 
+QHash<int, QByteArray> Utils::roleNames()
+{
+    static QHash<int, QByteArray> s_roles;
+
+    if (s_roles.isEmpty()) {
+        // This generates role names from the Roles enum in the form of: FooRole -> foo
+        const QMetaEnum e = QMetaEnum::fromType<Notifications::Roles>();
+
+        // Qt built-in roles we use
+        s_roles.insert(Qt::DisplayRole, QByteArrayLiteral("display"));
+        s_roles.insert(Qt::DecorationRole, QByteArrayLiteral("decoration"));
+
+        for (int i = 0; i < e.keyCount(); ++i) {
+            const int value = e.value(i);
+
+            QByteArray key(e.key(i));
+            key[0] = key[0] + 32; // lower case first letter
+            key.chop(4); // strip "Role" suffix
+
+            s_roles.insert(value, key);
+        }
+
+        s_roles.insert(Notifications::IdRole, QByteArrayLiteral("notificationId")); // id is QML-reserved
+    }
+
+    return s_roles;
+}
+
 QString Utils::processNameFromPid(uint pid)
 {
     auto processInfo = KProcessList::processInfo(pid);
diff --git a/libnotificationmanager/utils_p.h b/libnotificationmanager/utils_p.h
--- a/libnotificationmanager/utils_p.h
+++ b/libnotificationmanager/utils_p.h
@@ -32,6 +32,8 @@
 namespace Utils
 {
 
+QHash<int, QByteArray> roleNames();
+
 QString processNameFromPid(uint pid);
 
 QString desktopEntryFromPid(uint pid);