diff --git a/qtinterface/interface_tqt3/tqfiledef.h b/qtinterface/interface_tqt3/tqfiledef.h
index db85a68..65576ec 100644
--- a/qtinterface/interface_tqt3/tqfiledef.h
+++ b/qtinterface/interface_tqt3/tqfiledef.h
@@ -23,19 +23,6 @@ Boston, MA 02110-1301, USA.
 #define TQT_TQFILEDEF_H
 
 #include <tqt.h>
-
-#ifdef USE_QT3
-
-// Pull in legacy qfiledef defines
-
 #include <ntqfiledef.h>
 
-#endif // USE_QT3
-
-#ifdef USE_QT4
-
-// Do not pull in legacy qfiledef defines
-
-#endif // USE_QT4
-
 #endif /* TQT_TQFILEDEF_H */
diff --git a/qtinterface/interface_tqt3/tqsemimodal.h b/qtinterface/interface_tqt3/tqsemimodal.h
index bc85ef2..e5fa6b1 100644
--- a/qtinterface/interface_tqt3/tqsemimodal.h
+++ b/qtinterface/interface_tqt3/tqsemimodal.h
@@ -23,21 +23,6 @@ Boston, MA 02110-1301, USA.
 #define TQT_TQSEMIMODAL_H
 
 #include <tqt.h>
-
-#ifdef USE_QT3
-
-// Reimplement the QSemiModal class
-// For Qt3, no changes are needed
-
 #include <ntqsemimodal.h>
 
-#endif // USE_QT3
-
-#ifdef USE_QT4
-
-// Reimplement the QSemiModal class
-// For Qt4, this class was removed!
-
-#endif // USE_QT4
-
 #endif /* TQT_TQSEMIMODAL_H */
diff --git a/qtinterface/interface_tqt3/tqsortedlist.h b/qtinterface/interface_tqt3/tqsortedlist.h
index 25c2bd2..1c70460 100644
--- a/qtinterface/interface_tqt3/tqsortedlist.h
+++ b/qtinterface/interface_tqt3/tqsortedlist.h
@@ -23,23 +23,6 @@ Boston, MA 02110-1301, USA.
 #define TQT_TQSORTEDLIST_H
 
 #include <tqt.h>
-
-#ifdef USE_QT3
-
-// Reimplement the QAccel class
-// For Qt3, no changes are needed
-
 #include <ntqsortedlist.h>
 
-#endif // USE_QT3
-
-#ifdef USE_QT4
-
-// Reimplement the QAccel class
-// For Qt4, some changes are needed
-
-#include <Qt/q3sortedlist.h>
-
-#endif // USE_QT4
-
 #endif /* TQT_TQSORTEDLIST_H */