diff -uNr PyQt-x11-gpl-4.9.5.orig/QtGui/sipQtGuiQSystemTrayIcon.cpp PyQt-x11-gpl-4.9.5/QtGui/sipQtGuiQSystemTrayIcon.cpp
--- PyQt-x11-gpl-4.9.5.orig/QtGui/sipQtGuiQSystemTrayIcon.cpp	2012-10-01 16:48:16.496700577 +0200
+++ PyQt-x11-gpl-4.9.5/QtGui/sipQtGuiQSystemTrayIcon.cpp	2012-10-01 21:40:43.063130099 +0200
@@ -993,8 +993,6 @@
         qtgui_untrack(sipCpp);
 #line 995 "QtGui/sipQtGuiQSystemTrayIcon.cpp"
 
-    QSystemTrayIcon *sipCpp = reinterpret_cast<QSystemTrayIcon *>(sipCppV);
-
     if (QThread::currentThread() == sipCpp->thread())
         delete sipCpp;
     else