diff --git a/gtsam_unstable/slam/tests/testBetweenFactorEM.cpp b/gtsam_unstable/slam/tests/testBetweenFactorEM.cpp
index 340a3202a..a7934c622 100644
--- a/gtsam_unstable/slam/tests/testBetweenFactorEM.cpp
+++ b/gtsam_unstable/slam/tests/testBetweenFactorEM.cpp
@@ -15,10 +15,6 @@
 
 #include <gtsam/slam/BetweenFactor.h>
 
-//#include <gtsam/nonlinear/NonlinearOptimizer.h>
-//#include <gtsam/nonlinear/NonlinearFactorGraph.h>
-//#include <gtsam/linear/GaussianSequentialSolver.h>
-
 
 using namespace std;
 using namespace gtsam;
diff --git a/gtsam_unstable/slam/tests/testTransformBtwRobotsUnaryFactor.cpp b/gtsam_unstable/slam/tests/testTransformBtwRobotsUnaryFactor.cpp
index e20d8bbcf..c8357aba4 100644
--- a/gtsam_unstable/slam/tests/testTransformBtwRobotsUnaryFactor.cpp
+++ b/gtsam_unstable/slam/tests/testTransformBtwRobotsUnaryFactor.cpp
@@ -19,8 +19,6 @@
 #include <gtsam/nonlinear/NonlinearFactorGraph.h>
 #include <gtsam/nonlinear/GaussNewtonOptimizer.h>
 
-//#include <gtsam/linear/GaussianSequentialSolver.h>
-
 
 using namespace std;
 using namespace gtsam;
diff --git a/gtsam_unstable/slam/tests/testTransformBtwRobotsUnaryFactorEM.cpp b/gtsam_unstable/slam/tests/testTransformBtwRobotsUnaryFactorEM.cpp
index 68060997b..1ffb2bebe 100644
--- a/gtsam_unstable/slam/tests/testTransformBtwRobotsUnaryFactorEM.cpp
+++ b/gtsam_unstable/slam/tests/testTransformBtwRobotsUnaryFactorEM.cpp
@@ -19,8 +19,6 @@
 #include <gtsam/nonlinear/NonlinearFactorGraph.h>
 #include <gtsam/nonlinear/GaussNewtonOptimizer.h>
 
-//#include <gtsam/linear/GaussianSequentialSolver.h>
-
 
 using namespace std;
 using namespace gtsam;