diff --git a/qtinterface/tqt.h.cmake b/qtinterface/tqt.h.cmake
index 04ebb33..dda4991 100644
--- a/qtinterface/tqt.h.cmake
+++ b/qtinterface/tqt.h.cmake
@@ -54,7 +54,4 @@ Boston, MA 02110-1301, USA.
 #define tqmoc	moc
 #define TQMOC	MOC
 
-#define TQT_TQOBJECT(x) (static_cast<TQObject*>(static_cast<TQObject*>(x)))
-#define TQT_TQWIDGET(x) (static_cast<TQWidget*>(static_cast<TQWidget*>(x)))
-
 #endif /* TQT_H */