diff --git a/internal/ceres/implicit_schur_complement_test.cc b/internal/ceres/implicit_schur_complement_test.cc
index 9cf17af..f948403 100644
--- a/internal/ceres/implicit_schur_complement_test.cc
+++ b/internal/ceres/implicit_schur_complement_test.cc
@@ -31,19 +31,19 @@
 #include "ceres/implicit_schur_complement.h"
 
 #include <cstddef>
-#include <glog/logging.h>
-#include "gtest/gtest.h"
 #include "Eigen/Dense"
 #include "ceres/block_random_access_dense_matrix.h"
 #include "ceres/block_sparse_matrix.h"
 #include "ceres/casts.h"
+#include "ceres/internal/eigen.h"
+#include "ceres/internal/scoped_ptr.h"
 #include "ceres/linear_least_squares_problems.h"
 #include "ceres/linear_solver.h"
 #include "ceres/schur_eliminator.h"
 #include "ceres/triplet_sparse_matrix.h"
-#include "ceres/internal/eigen.h"
-#include "ceres/internal/scoped_ptr.h"
 #include "ceres/types.h"
+#include "glog/logging.h"
+#include "gtest/gtest.h"
 
 namespace ceres {
 namespace internal {