diff --git a/tests/unit/lp/packet.t.cpp b/tests/unit/lp/packet.t.cpp
index e5a9cdd..5f750c3 100644
--- a/tests/unit/lp/packet.t.cpp
+++ b/tests/unit/lp/packet.t.cpp
@@ -22,9 +22,8 @@
 #include "ndn-cxx/lp/packet.hpp"
 #include "ndn-cxx/prefix-announcement.hpp"
 
-#include "tests/boost-test.hpp"
-#include "tests/identity-management-fixture.hpp"
-#include "tests/make-interest-data.hpp"
+#include "tests/key-chain-fixture.hpp"
+#include "tests/test-common.hpp"
 
 namespace ndn {
 namespace lp {
@@ -428,7 +427,7 @@
   BOOST_CHECK_THROW(packet.wireDecode(wire), Packet::Error);
 }
 
-BOOST_FIXTURE_TEST_CASE(DecodePrefixAnnouncement, ndn::tests::IdentityManagementFixture)
+BOOST_FIXTURE_TEST_CASE(DecodePrefixAnnouncement, ndn::tests::KeyChainFixture)
 {
   // Construct Data which prefix announcement is attached to
   auto data0 = ndn::tests::makeData("/edu/ua/cs/news/index.html");
diff --git a/tests/unit/lp/prefix-announcement-header.t.cpp b/tests/unit/lp/prefix-announcement-header.t.cpp
index 3cccdb7..a107eb5 100644
--- a/tests/unit/lp/prefix-announcement-header.t.cpp
+++ b/tests/unit/lp/prefix-announcement-header.t.cpp
@@ -23,14 +23,14 @@
 #include "ndn-cxx/lp/tlv.hpp"
 
 #include "tests/boost-test.hpp"
-#include "tests/identity-management-fixture.hpp"
+#include "tests/key-chain-fixture.hpp"
 
 namespace ndn {
 namespace lp {
 namespace tests {
 
 BOOST_AUTO_TEST_SUITE(Lp)
-BOOST_FIXTURE_TEST_SUITE(TestPrefixAnnouncementHeader, ndn::tests::IdentityManagementFixture)
+BOOST_FIXTURE_TEST_SUITE(TestPrefixAnnouncementHeader, ndn::tests::KeyChainFixture)
 
 BOOST_AUTO_TEST_CASE(EncodeDecode)
 {