diff --git a/internal/ceres/sparse_cholesky_test.cc b/internal/ceres/sparse_cholesky_test.cc
index 0c6e126..e4efc66 100644
--- a/internal/ceres/sparse_cholesky_test.cc
+++ b/internal/ceres/sparse_cholesky_test.cc
@@ -148,15 +148,23 @@
       << eigen_lhs;
 }
 
-typedef ::std::tr1::tuple<SparseLinearAlgebraLibraryType, OrderingType, bool>
+#ifdef CERES_USE_CXX11
+using std::tuple;
+using std::get;
+#else
+using std::tr1::tuple;
+using std::tr1::get;
+#endif
+
+typedef tuple<SparseLinearAlgebraLibraryType, OrderingType, bool>
     Param;
 
 std::string ParamInfoToString(testing::TestParamInfo<Param> info) {
   Param param = info.param;
   std::stringstream ss;
-  ss << SparseLinearAlgebraLibraryTypeToString(std::tr1::get<0>(param)) << "_"
-     << (std::tr1::get<1>(param) == AMD ? "AMD" : "NATURAL") << "_"
-     << (std::tr1::get<2>(param) ? "UseBlockStructure" : "NoBlockStructure");
+  ss << SparseLinearAlgebraLibraryTypeToString(get<0>(param)) << "_"
+     << (get<1>(param) == AMD ? "AMD" : "NATURAL") << "_"
+     << (get<2>(param) ? "UseBlockStructure" : "NoBlockStructure");
   return ss.str();
 }
 
@@ -175,9 +183,9 @@
     for (int trial = 0; trial < kNumTrials; ++trial) {
       const double block_density = std::max(0.1, RandDouble());
       Param param = GetParam();
-      SparseCholeskySolverUnitTest(std::tr1::get<0>(param),
-                                   std::tr1::get<1>(param),
-                                   std::tr1::get<2>(param),
+      SparseCholeskySolverUnitTest(get<0>(param),
+                                   get<1>(param),
+                                   get<2>(param),
                                    num_blocks,
                                    kMinBlockSize,
                                    kMaxBlockSize,