diff --git a/gtsam/linear/tests/testGaussianBayesNet.cpp b/gtsam/linear/tests/testGaussianBayesNet.cpp
index 608e9b1e1..d65f96f7f 100644
--- a/gtsam/linear/tests/testGaussianBayesNet.cpp
+++ b/gtsam/linear/tests/testGaussianBayesNet.cpp
@@ -15,6 +15,17 @@
  * @author  Frank Dellaert
  */
 
+#include <gtsam/linear/GaussianBayesNet.h>
+#include <gtsam/linear/JacobianFactor.h>
+#include <gtsam/linear/GaussianFactorGraph.h>
+#include <gtsam/base/Testable.h>
+#include <gtsam/base/LieVector.h>
+#include <gtsam/base/numericalDerivative.h>
+
+#include <boost/assign/list_of.hpp>
+#include <boost/assign/std/list.hpp> // for operator +=
+using namespace boost::assign;
+
 // STL/C++
 #include <iostream>
 #include <sstream>
@@ -22,16 +33,6 @@
 #include <boost/tuple/tuple.hpp>
 #include <boost/foreach.hpp>
 
-#include <boost/assign/std/list.hpp> // for operator +=
-using namespace boost::assign;
-
-#include <gtsam/base/Testable.h>
-#include <gtsam/base/LieVector.h>
-#include <gtsam/base/numericalDerivative.h>
-#include <gtsam/linear/GaussianBayesNet.h>
-#include <gtsam/linear/JacobianFactor.h>
-#include <gtsam/linear/GaussianFactorGraph.h>
-
 using namespace std;
 using namespace gtsam;
 
diff --git a/gtsam/linear/tests/testGaussianConditional.cpp b/gtsam/linear/tests/testGaussianConditional.cpp
index 6bb8a05e1..d7f0c2dd5 100644
--- a/gtsam/linear/tests/testGaussianConditional.cpp
+++ b/gtsam/linear/tests/testGaussianConditional.cpp
@@ -25,13 +25,15 @@
 #include <gtsam/linear/GaussianConditional.h>
 #include <gtsam/linear/GaussianBayesNet.h>
 
-#include <iostream>
-#include <sstream>
-#include <vector>
 #include <boost/assign/std/list.hpp>
 #include <boost/assign/std/vector.hpp>
 #include <boost/assign/list_inserter.hpp>
 #include <boost/make_shared.hpp>
+#include <boost/assign/list_of.hpp>
+
+#include <iostream>
+#include <sstream>
+#include <vector>
 
 using namespace gtsam;
 using namespace std;
diff --git a/gtsam/linear/tests/testGaussianFactorGraph.cpp b/gtsam/linear/tests/testGaussianFactorGraph.cpp
index a81c2243a..d789c42fd 100644
--- a/gtsam/linear/tests/testGaussianFactorGraph.cpp
+++ b/gtsam/linear/tests/testGaussianFactorGraph.cpp
@@ -18,20 +18,21 @@
  *  @author Richard Roberts
  **/
 
+#include <gtsam/linear/GaussianFactorGraph.h>
+#include <gtsam/linear/GaussianConditional.h>
+#include <gtsam/linear/GaussianBayesNet.h>
+#include <gtsam/inference/VariableSlots.h>
+#include <gtsam/inference/VariableIndex.h>
+#include <gtsam/base/debug.h>
+#include <gtsam/base/VerticalBlockMatrix.h>
+
+#include <boost/assign/list_of.hpp>
 #include <boost/assign/std/list.hpp> // for operator +=
 using namespace boost::assign;
 
 #include <gtsam/base/TestableAssertions.h>
 #include <CppUnitLite/TestHarness.h>
 
-#include <gtsam/base/debug.h>
-#include <gtsam/base/VerticalBlockMatrix.h>
-#include <gtsam/inference/VariableSlots.h>
-#include <gtsam/inference/VariableIndex.h>
-#include <gtsam/linear/GaussianFactorGraph.h>
-#include <gtsam/linear/GaussianConditional.h>
-#include <gtsam/linear/GaussianBayesNet.h>
-
 using namespace std;
 using namespace gtsam;
 
diff --git a/gtsam/linear/tests/testHessianFactor.cpp b/gtsam/linear/tests/testHessianFactor.cpp
index 84c16bd9c..17ad0bf42 100644
--- a/gtsam/linear/tests/testHessianFactor.cpp
+++ b/gtsam/linear/tests/testHessianFactor.cpp
@@ -15,24 +15,25 @@
  * @date    Dec 15, 2010
  */
 
-#include <vector>
-#include <utility>
-
-#include <boost/assign/std/vector.hpp>
-#include <boost/assign/std/map.hpp>
-
-#include <gtsam/base/debug.h>
 #include <gtsam/linear/HessianFactor.h>
 #include <gtsam/linear/JacobianFactor.h>
 #include <gtsam/linear/GaussianFactorGraph.h>
 #include <gtsam/linear/GaussianConditional.h>
 #include <gtsam/linear/VectorValues.h>
-
+#include <gtsam/base/debug.h>
 #include <gtsam/base/TestableAssertions.h>
+
 #include <CppUnitLite/TestHarness.h>
 
-using namespace std;
+#include <boost/assign/list_of.hpp>
+#include <boost/assign/std/vector.hpp>
+#include <boost/assign/std/map.hpp>
 using namespace boost::assign;
+
+#include <vector>
+#include <utility>
+
+using namespace std;
 using namespace gtsam;
 
 const double tol = 1e-5;