3 files changed, 8 insertions, 0 deletions
diff --git a/src/plugins/platforms/xcb/qxcbconnection.h b/src/plugins/platforms/xcb/qxcbconnection.h
index 51c7c91bf6..f31ecf8e03 100644
--- a/src/plugins/platforms/xcb/qxcbconnection.h
+++ b/src/plugins/platforms/xcb/qxcbconnection.h
@@ -324,6 +324,7 @@ private:
 class QXcbWindowEventListener
 {
 public:
+    virtual ~QXcbWindowEventListener() {}
     virtual bool handleGenericEvent(xcb_generic_event_t *, long *) { return false; }
 
     virtual void handleExposeEvent(const xcb_expose_event_t *) {}
diff --git a/src/plugins/platforms/xcb/qxcbxsettings.cpp b/src/plugins/platforms/xcb/qxcbxsettings.cpp
index 6f2e60c9be..13d42832db 100644
--- a/src/plugins/platforms/xcb/qxcbxsettings.cpp
+++ b/src/plugins/platforms/xcb/qxcbxsettings.cpp
@@ -262,6 +262,12 @@ QXcbXSettings::QXcbXSettings(QXcbScreen *screen)
     d_ptr->initialized = true;
 }
 
+QXcbXSettings::~QXcbXSettings()
+{
+    delete d_ptr;
+    d_ptr = 0;
+}
+
 bool QXcbXSettings::initialized() const
 {
     Q_D(const QXcbXSettings);
diff --git a/src/plugins/platforms/xcb/qxcbxsettings.h b/src/plugins/platforms/xcb/qxcbxsettings.h
index 717fe559c9..3496cedf36 100644
--- a/src/plugins/platforms/xcb/qxcbxsettings.h
+++ b/src/plugins/platforms/xcb/qxcbxsettings.h
@@ -45,6 +45,7 @@ class QXcbXSettings : public QXcbWindowEventListener
     Q_DECLARE_PRIVATE(QXcbXSettings)
 public:
     QXcbXSettings(QXcbScreen *screen);
+    ~QXcbXSettings();
     bool initialized() const;
 
     QVariant setting(const QByteArray &property) const;