diff --git a/SConstruct b/SConstruct
index 3c6fa6b..0c05c61 100644
--- a/SConstruct
+++ b/SConstruct
@@ -163,7 +163,7 @@ env.Append( CPPFLAGS = ['-DQT_NO_TRANSLATION'] )
 ## in generic.py automatically when you do scons configure debug=1
 
 ## There are also many other defines :
-### -D_XOPEN_SOURCE=500 -D_BSD_SOURCE -DQT_CLEAN_NAMESPACE -DQT_NO_ASCII_CAST -DQT_NO_STL -DQT_NO_COMPAT -DQT_NO_TRANSLATION
+### -D_XOPEN_SOURCE=500 -D_BSD_SOURCE -DQT_NO_ASCII_CAST -DQT_NO_STL -DQT_NO_COMPAT -DQT_NO_TRANSLATION
 # where are they documented ? if you know, mail tnagyemail-mail@yahoo@fr please
 
 ## Important : export the environment so that SConscript files can the