diff --git a/src/mlpack/methods/hmm/hmm.hpp b/src/mlpack/methods/hmm/hmm.hpp
index adf1e7b139..ef060765fe 100644
--- a/src/mlpack/methods/hmm/hmm.hpp
+++ b/src/mlpack/methods/hmm/hmm.hpp
@@ -365,9 +365,6 @@ class HMM
   template<typename Archive>
   void save(Archive& ar, const unsigned int version) const;
 
-  CEREAL_SPLIT_MEMBER();
-
-
  protected:
   // Helper functions.
   /**
diff --git a/src/mlpack/tests/CMakeLists.txt b/src/mlpack/tests/CMakeLists.txt
index 1d000710b4..2259903d04 100644
--- a/src/mlpack/tests/CMakeLists.txt
+++ b/src/mlpack/tests/CMakeLists.txt
@@ -36,8 +36,8 @@ add_executable(mlpack_test
   facilities_test.cpp
 # feedforward_network_test.cpp
 # gan_test.cpp
-### gmm_test.cpp recompile alone
-### hmm_test.cpp
+  gmm_test.cpp
+  hmm_test.cpp
 ### hoeffding_tree_test.cpp
   hpt_test.cpp
   hyperplane_test.cpp
diff --git a/src/mlpack/tests/hmm_test.cpp b/src/mlpack/tests/hmm_test.cpp
index 60b78b5ef7..7203c03a64 100644
--- a/src/mlpack/tests/hmm_test.cpp
+++ b/src/mlpack/tests/hmm_test.cpp
@@ -1080,7 +1080,7 @@ BOOST_AUTO_TEST_CASE(GMMHMMLoadSaveTest)
   // Save the HMM.
   {
     std::ofstream ofs("test-hmm-save.xml");
-    boost::archive::xml_oarchive ar(ofs);
+    cereal::XMLOutputArchive ar(ofs);
     ar << CEREAL_NVP(hmm);
   }
 
@@ -1088,7 +1088,7 @@ BOOST_AUTO_TEST_CASE(GMMHMMLoadSaveTest)
   HMM<GMM> hmm2(3, GMM(4, 3));
   {
     std::ifstream ifs("test-hmm-save.xml");
-    boost::archive::xml_iarchive ar(ifs);
+    cereal::XMLInputArchive ar(ifs);
     ar >> CEREAL_NVP(hmm2);
   }
 
@@ -1145,7 +1145,7 @@ BOOST_AUTO_TEST_CASE(GaussianHMMLoadSaveTest)
   // Save the HMM.
   {
     std::ofstream ofs("test-hmm-save.xml");
-    boost::archive::xml_oarchive ar(ofs);
+    cereal::XMLOutputArchive ar(ofs);
     ar << CEREAL_NVP(hmm);
   }
 
@@ -1153,7 +1153,7 @@ BOOST_AUTO_TEST_CASE(GaussianHMMLoadSaveTest)
   HMM<GaussianDistribution> hmm2(3, GaussianDistribution(2));
   {
     std::ifstream ifs("test-hmm-save.xml");
-    boost::archive::xml_iarchive ar(ifs);
+    cereal::XMLInputArchive ar(ifs);
     ar >> CEREAL_NVP(hmm2);
   }
 
@@ -1208,7 +1208,7 @@ BOOST_AUTO_TEST_CASE(DiscreteHMMLoadSaveTest)
   // Save the HMM.
   {
     std::ofstream ofs("test-hmm-save.xml");
-    boost::archive::xml_oarchive ar(ofs);
+    cereal::XMLOutputArchive ar(ofs);
     ar << CEREAL_NVP(hmm);
   }
 
@@ -1216,7 +1216,7 @@ BOOST_AUTO_TEST_CASE(DiscreteHMMLoadSaveTest)
   HMM<DiscreteDistribution> hmm2(3, DiscreteDistribution(3));
   {
     std::ifstream ifs("test-hmm-save.xml");
-    boost::archive::xml_iarchive ar(ifs);
+    cereal::XMLInputArchive ar(ifs);
     ar >> CEREAL_NVP(hmm2);
   }
 
@@ -1809,7 +1809,7 @@ BOOST_AUTO_TEST_CASE(DiagonalGMMHMMLoadSaveTest)
   // Save the HMM.
   {
     std::ofstream ofs("test-hmm-save.xml");
-    boost::archive::xml_oarchive ar(ofs);
+    cereal::XMLOutputArchive ar(ofs);
     ar << CEREAL_NVP(hmm);
   }
 
@@ -1817,7 +1817,7 @@ BOOST_AUTO_TEST_CASE(DiagonalGMMHMMLoadSaveTest)
   HMM<DiagonalGMM> hmm2(3, DiagonalGMM(4, 3));
   {
     std::ifstream ifs("test-hmm-save.xml");
-    boost::archive::xml_iarchive ar(ifs);
+    cereal::XMLInputArchive ar(ifs);
     ar >> CEREAL_NVP(hmm2);
   }