diff --git a/tests/unit/security/tpm/back-end.t.cpp b/tests/unit/security/tpm/back-end.t.cpp
index da22029..d432d73 100644
--- a/tests/unit/security/tpm/back-end.t.cpp
+++ b/tests/unit/security/tpm/back-end.t.cpp
@@ -37,9 +37,8 @@
 
 #include "tests/boost-test.hpp"
 
-#include <openssl/opensslv.h>
-#include <boost/mpl/vector.hpp>
 #include <set>
+#include <boost/mp11/list.hpp>
 
 namespace ndn::tests {
 
@@ -50,7 +49,7 @@
 BOOST_AUTO_TEST_SUITE(Security)
 BOOST_AUTO_TEST_SUITE(TestTpmBackEnd)
 
-using TestBackEnds = boost::mpl::vector<
+using TestBackEnds = boost::mp11::mp_list<
 #if defined(NDN_CXX_HAVE_OSX_FRAMEWORKS) && defined(NDN_CXX_WITH_OSX_KEYCHAIN)
   BackEndWrapperOsx,
 #endif