diff --git a/ipaacalib/cpp/include/ipaaca/ipaaca.h b/ipaacalib/cpp/include/ipaaca/ipaaca.h
index 21b43a797f35f106d6a18ca9f364e712d97df0e5..9906354cf52d26e377ce4f17268fac6933229437 100644
--- a/ipaacalib/cpp/include/ipaaca/ipaaca.h
+++ b/ipaacalib/cpp/include/ipaaca/ipaaca.h
@@ -47,7 +47,7 @@
 
 #include <iostream>
 
-#include <boost/thread.hpp>
+//#include <boost/thread.hpp>
 #include <boost/shared_ptr.hpp>
 #include <boost/pointer_cast.hpp>
 #include <boost/lexical_cast.hpp>