diff --git a/src/corelib/tools/qsharedpointer_impl.h b/src/corelib/tools/qsharedpointer_impl.h
index f05adf8fc51..d3d34aa3512 100644
--- a/src/corelib/tools/qsharedpointer_impl.h
+++ b/src/corelib/tools/qsharedpointer_impl.h
@@ -155,9 +155,6 @@ namespace QtSharedPointer {
 #endif
         inline void checkQObjectShared(...) { }
         inline void setQObjectShared(...) { }
-
-        inline void operator delete(void *ptr) { ::operator delete(ptr); }
-        inline void operator delete(void *, void *) { }
     };
     // sizeof(ExternalRefCountData) = 12 (32-bit) / 16 (64-bit)
 
diff --git a/src/plugins/platforms/xcb/qxcbwindow.cpp b/src/plugins/platforms/xcb/qxcbwindow.cpp
index 2eff0e21648..21434d728e0 100644
--- a/src/plugins/platforms/xcb/qxcbwindow.cpp
+++ b/src/plugins/platforms/xcb/qxcbwindow.cpp
@@ -706,7 +706,7 @@ void QXcbWindow::show()
         if (isTransient(window())) {
             const QWindow *tp = window()->transientParent();
             if (tp && tp->handle())
-                transientXcbParent = static_cast<const QXcbWindow *>(tp->handle())->winId();
+                transientXcbParent = tp->handle()->winId();
             // Default to client leader if there is no transient parent, else modal dialogs can
             // be hidden by their parents.
             if (!transientXcbParent)