diff --git a/gtsam_unstable/slam/SmartProjectionFactorsCreator.h b/gtsam_unstable/slam/SmartProjectionFactorsCreator.h
index 605fe758b..6f10381a0 100644
--- a/gtsam_unstable/slam/SmartProjectionFactorsCreator.h
+++ b/gtsam_unstable/slam/SmartProjectionFactorsCreator.h
@@ -21,11 +21,11 @@
 
 #include <gtsam/geometry/PinholeCamera.h>
 
-//#include <boost/foreach.hpp>
-//#include <boost/assign.hpp>
-//#include <boost/assign/std/vector.hpp>
-//#include <fstream>
-//#include <iostream>
+#include <boost/foreach.hpp>
+#include <boost/assign.hpp>
+#include <boost/assign/std/vector.hpp>
+#include <fstream>
+#include <iostream>
 #include <utility>
 
 namespace gtsam {