diff -uNr PyQt-x11-gpl-4.8.4.orig/QtGui/sipQtGuiQSystemTrayIcon.cpp PyQt-x11-gpl-4.8.4/QtGui/sipQtGuiQSystemTrayIcon.cpp
--- PyQt-x11-gpl-4.8.4.orig/QtGui/sipQtGuiQSystemTrayIcon.cpp	2012-08-01 16:37:34.000000000 +0200
+++ PyQt-x11-gpl-4.8.4/QtGui/sipQtGuiQSystemTrayIcon.cpp	2012-08-01 17:05:45.000000000 +0200
@@ -957,8 +957,6 @@
         qtgui_untrack(sipCpp);
 #line 959 "QtGui/sipQtGuiQSystemTrayIcon.cpp"
 
-    QSystemTrayIcon *sipCpp = reinterpret_cast<QSystemTrayIcon *>(sipCppV);
-
     if (QThread::currentThread() == sipCpp->thread())
         delete sipCpp;
     else
diff -uNr PyQt-x11-gpl-4.8.4.orig/QtGui/sipQtGuiQGraphicsScene.cpp PyQt-x11-gpl-4.8.4/QtGui/sipQtGuiQGraphicsScene.cpp
--- PyQt-x11-gpl-4.8.4.orig/QtGui/sipQtGuiQGraphicsScene.cpp	2012-08-01 16:37:35.000000000 +0200
+++ PyQt-x11-gpl-4.8.4/QtGui/sipQtGuiQGraphicsScene.cpp	2012-08-01 17:26:58.000000000 +0200
@@ -4016,8 +4016,6 @@
         qtgui_untrack(sipCpp);
 #line 4018 "QtGui/sipQtGuiQGraphicsScene.cpp"
 
-    QGraphicsScene *sipCpp = reinterpret_cast<QGraphicsScene *>(sipCppV);
-
     if (QThread::currentThread() == sipCpp->thread())
         delete sipCpp;
     else