diff --git a/src/bugzillaintegration/libbugzilla/models/product.h b/src/bugzillaintegration/libbugzilla/models/product.h
index 309a4566..6c0984d1 100644
--- a/src/bugzillaintegration/libbugzilla/models/product.h
+++ b/src/bugzillaintegration/libbugzilla/models/product.h
@@ -1,116 +1,116 @@
 /*
     Copyright 2019 Harald Sitter <sitter@kde.org>
 
     This library is free software; you can redistribute it and/or
     modify it under the terms of the GNU Lesser General Public
     License as published by the Free Software Foundation; either
     version 2.1 of the License, or (at your option) version 3, or any
     later version accepted by the membership of KDE e.V. (or its
     successor approved by the membership of KDE e.V.), which shall
     act as a proxy defined in Section 6 of version 3 of the license.
 
     This library is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     Lesser General Public License for more details.
 
     You should have received a copy of the GNU Lesser General Public
     License along with this library.  If not, see <http://www.gnu.org/licenses/>.
 */
 
 #ifndef PRODUCT_H
 #define PRODUCT_H
 
 #include <QObject>
 
 #include "connection.h"
 
 namespace Bugzilla {
 
 class ProductVersion : public QObject
 {
     Q_OBJECT
     Q_PROPERTY(int id READ id WRITE setId)
     Q_PROPERTY(QString name READ name WRITE setName)
     Q_PROPERTY(bool active READ isActive WRITE setActive)
 public:
     int id() const { return m_id; }
     QString name() const { return m_name; }
     bool isActive() const { return m_active; }
 
     explicit ProductVersion(const QVariantHash &object, QObject *parent = nullptr);
 private:
     void setId(int id) { m_id = id; }
     void setName(const QString &name) { m_name = name; }
     void setActive(bool active) { m_active = active; }
 
     int m_id = -1;
     QString m_name = QString();
     bool m_active = false;
 };
 
 class ProductComponent : public QObject
 {
     Q_OBJECT
-    Q_PROPERTY(int id READ id WRITE setId CONSTANT)
-    Q_PROPERTY(QString name READ name WRITE setName CONSTANT)
+    Q_PROPERTY(int id READ id WRITE setId)
+    Q_PROPERTY(QString name READ name WRITE setName)
 public:
     int id() const { return m_id; }
     QString name() const { return m_name; }
 
     explicit ProductComponent(const QVariantHash &object, QObject *parent = nullptr);
 private:
     void setId(int id) { m_id = id; }
     void setName(const QString &name) { m_name = name; }
 
     int m_id = -1;
     QString m_name = QString();
 };
 
 class Product : public QObject
 {
     Q_OBJECT
-    Q_PROPERTY(bool is_active READ isActive WRITE setActive CONSTANT)
-    Q_PROPERTY(QList<Bugzilla::ProductComponent *> components READ components WRITE setComponents CONSTANT)
-    Q_PROPERTY(QList<Bugzilla::ProductVersion *> versions READ versions WRITE setVersions CONSTANT)
+    Q_PROPERTY(bool is_active READ isActive WRITE setActive)
+    Q_PROPERTY(QList<Bugzilla::ProductComponent *> components READ components WRITE setComponents)
+    Q_PROPERTY(QList<Bugzilla::ProductVersion *> versions READ versions WRITE setVersions)
 public:
     typedef QSharedPointer<Product> Ptr;
 
     explicit Product(const QVariantHash &object,
                      const Connection &connection = Bugzilla::connection(),
                      QObject *parent = nullptr);
     ~Product();
 
     bool isActive() const;
     void setActive(bool active);
 
     QList<ProductComponent *> components() const;
     void setComponents(const QList<ProductComponent *> &components);
 
     QList<ProductVersion *> versions() const;
     void setVersions(const QList<ProductVersion *> &versions);
 
     // Convenience methods to get useful content out of the
     QStringList componentNames() const;
     QStringList allVersions() const;
     QStringList activeVersions() const;
     QStringList inactiveVersions() const;
 
 private:
     static void registerVariantConverters();
 
     const Connection &m_connection;
 
     bool m_active = false;
     QList<ProductComponent *> m_components;
     QList<ProductVersion *> m_versions;
 };
 
 } // namespace Bugzilla
 
 Q_DECLARE_METATYPE(Bugzilla::ProductComponent *)
 Q_DECLARE_METATYPE(QList<Bugzilla::ProductComponent *>)
 Q_DECLARE_METATYPE(Bugzilla::ProductVersion *)
 Q_DECLARE_METATYPE(QList<Bugzilla::ProductVersion *>)
 
 #endif // PRODUCT_H