diff --git a/src/gui/kernel/qinputdevicemanager.cpp b/src/gui/kernel/qinputdevicemanager.cpp
index 11442407e1..254b130461 100644
--- a/src/gui/kernel/qinputdevicemanager.cpp
+++ b/src/gui/kernel/qinputdevicemanager.cpp
@@ -67,6 +67,8 @@ QInputDeviceManager::QInputDeviceManager(QObject *parent)
     qRegisterMetaType<DeviceType>();
 }
 
+QInputDeviceManager::~QInputDeviceManager() = default;
+
 int QInputDeviceManager::deviceCount(DeviceType type) const
 {
     Q_D(const QInputDeviceManager);
diff --git a/src/gui/kernel/qinputdevicemanager_p.h b/src/gui/kernel/qinputdevicemanager_p.h
index 1d20b102e3..03dbde2d54 100644
--- a/src/gui/kernel/qinputdevicemanager_p.h
+++ b/src/gui/kernel/qinputdevicemanager_p.h
@@ -74,7 +74,8 @@ public:
         NumDeviceTypes
     };
 
-    QInputDeviceManager(QObject *parent = nullptr);
+    explicit QInputDeviceManager(QObject *parent = nullptr);
+    ~QInputDeviceManager() override;
 
     int deviceCount(DeviceType type) const;