Hi, There is an unused variable in boost/test/progress_monitor.hpp line 49 void assertion_result( bool passed ) {} I noticed it using v1.33.1 but i've also seen that in the CVS-HEAD is still there Compiling with all warnings and warnings as errors stops there. Is there any point for keeping the variable there ? The file includes <boost/test/detail/suppress_warnings.hpp> but that file only suppreses warnings on MSVC. -- Time and tide wait for no man.