diff --git a/src/plugins/platforms/xcb/gl_integrations/qxcbnativeinterfacehandler.cpp b/src/plugins/platforms/xcb/gl_integrations/qxcbnativeinterfacehandler.cpp
index 78c6fe0ccb1..b060c8649d0 100644
--- a/src/plugins/platforms/xcb/gl_integrations/qxcbnativeinterfacehandler.cpp
+++ b/src/plugins/platforms/xcb/gl_integrations/qxcbnativeinterfacehandler.cpp
@@ -46,8 +46,9 @@
 QT_BEGIN_NAMESPACE
 
 QXcbNativeInterfaceHandler::QXcbNativeInterfaceHandler(QXcbNativeInterface *nativeInterface)
+    : m_native_interface(nativeInterface)
 {
-    nativeInterface->addHandler(this);
+    m_native_interface->addHandler(this);
 }
 QXcbNativeInterfaceHandler::~QXcbNativeInterfaceHandler()
 {
diff --git a/src/plugins/platforms/xcb/qxcbconnection.cpp b/src/plugins/platforms/xcb/qxcbconnection.cpp
index 56b4a9abda8..93914c0cbaf 100644
--- a/src/plugins/platforms/xcb/qxcbconnection.cpp
+++ b/src/plugins/platforms/xcb/qxcbconnection.cpp
@@ -406,6 +406,8 @@ QXcbConnection::~QXcbConnection()
     while (!m_screens.isEmpty())
         integration->destroyScreen(m_screens.takeLast());
 
+    delete m_glIntegration;
+
 #ifdef XCB_USE_XLIB
     XCloseDisplay((Display *)m_xlib_display);
 #else