diff --git a/src/frontends/qt4/QLImage.C b/src/frontends/qt4/QLImage.C
index 36c153537e..54d9537fa0 100644
--- a/src/frontends/qt4/QLImage.C
+++ b/src/frontends/qt4/QLImage.C
@@ -9,10 +9,6 @@
  * Full author contact details are available in file CREDITS.
  */
 
-#ifndef QT3_SUPPORT
-// #define QT3_SUPPORT
-#endif
-
 #include <config.h>
 
 #include "QLImage.h"