diff --git a/tests/core_tests/alias_tests.cpp b/tests/core_tests/alias_tests.cpp
index ffc16bff..07ae4fba 100644
--- a/tests/core_tests/alias_tests.cpp
+++ b/tests/core_tests/alias_tests.cpp
@@ -94,22 +94,10 @@ gen_alias_tests::gen_alias_tests()
   REGISTER_CALLBACK_METHOD(gen_alias_tests, check_height_changed);
   REGISTER_CALLBACK_METHOD(gen_alias_tests, check_too_many_aliases_registration);
 
-  //REGISTER_CALLBACK_METHOD(gen_alias_tests, configure_core);
   m_hardfork_01_height = 0;
   m_hardfork_02_height = 0;
 }
 
-/*bool gen_alias_tests::configure_core(currency::core& c, size_t ev_index, const std::vector<test_event_entry>& events)
-{
-  currency::core_runtime_config pc = c.get_blockchain_storage().get_core_runtime_config();
-  pc.min_coinstake_age = TESTS_POS_CONFIG_MIN_COINSTAKE_AGE;
-  pc.pos_minimum_heigh = TESTS_POS_CONFIG_POS_MINIMUM_HEIGH;
-  pc.hard_fork_01_starts_after_height = m_hardfork_01_height;
-  pc.hard_fork_02_starts_after_height = m_hardfork_02_height;
-  c.get_blockchain_storage().set_core_runtime_config(pc);
-  return true;
-}*/
-
 bool gen_alias_tests::generate(std::vector<test_event_entry>& events) const
 {
   GENERATE_ACCOUNT(preminer_account);
diff --git a/tests/core_tests/tx_validation.cpp b/tests/core_tests/tx_validation.cpp
index 87837bc7..bb53076e 100644
--- a/tests/core_tests/tx_validation.cpp
+++ b/tests/core_tests/tx_validation.cpp
@@ -765,6 +765,8 @@ bool gen_broken_attachments::generate(std::vector<test_event_entry>& events) con
   return true;
 }
 
+//------------------------------------------------------------------------------
+
 gen_crypted_attachments::gen_crypted_attachments()
 {
   REGISTER_CALLBACK("check_crypted_tx", gen_crypted_attachments::check_crypted_tx);