diff --git a/tests/core_tests/chaingen.h b/tests/core_tests/chaingen.h
index 2af9bcfe..663593c7 100644
--- a/tests/core_tests/chaingen.h
+++ b/tests/core_tests/chaingen.h
@@ -957,7 +957,7 @@ bool test_generator::construct_block_gentime_with_coinbase_cb(const currency::bl
 
   uint64_t block_reward_without_fee = 0;
 
-  keypair tx_sec_key = keypair::generate();
+  currency::keypair tx_sec_key = currency::keypair::generate();
   r = construct_miner_tx(height, epee::misc_utils::median(block_sizes), already_generated_coins, 0 /* current_block_size !HACK! */, 0,
     acc.get_public_address(), acc.get_public_address(), miner_tx, block_reward_without_fee, get_tx_version(height, m_hardforks), currency::blobdata(), /* max outs: */ 1,
     /* pos: */ false, currency::pos_entry(), /* ogc_ptr: */ nullptr, &tx_sec_key);
diff --git a/tests/core_tests/chaingen_helpers.h b/tests/core_tests/chaingen_helpers.h
index fd3994ab..a5e59ab8 100644
--- a/tests/core_tests/chaingen_helpers.h
+++ b/tests/core_tests/chaingen_helpers.h
@@ -292,7 +292,7 @@ inline bool put_alias_via_tx_to_list(const currency::hard_forks_descriptor& hf,
   uint64_t alias_reward = 0;
   if (get_block_height(head_block) < ALIAS_MEDIAN_RECALC_INTERWAL)
   {
-    alias_reward = get_alias_coast_from_fee(ae.m_alias, ALIAS_VERY_INITAL_COAST); // don't ask why
+    alias_reward = currency::get_alias_coast_from_fee(ae.m_alias, ALIAS_VERY_INITAL_COAST); // don't ask why
   }
   else
   {
diff --git a/tests/core_tests/chaingen_main.cpp b/tests/core_tests/chaingen_main.cpp
index 4bb38b20..1904ce7b 100644
--- a/tests/core_tests/chaingen_main.cpp
+++ b/tests/core_tests/chaingen_main.cpp
@@ -118,7 +118,7 @@ bool test_parse_hardfork_str_mask()
 {
   static_assert(ZANO_HARDFORKS_TOTAL >= 5, "this test was made in assumption that this condition holds");
   auto v_range = [](size_t a, size_t b) -> std::vector<size_t> { std::vector<size_t> r; for(size_t i = a; i <= b; ++i) r.push_back(i); return r; };
-  auto v_concat = [](const std::vector<size_t>& a, const std::vector<size_t>& b) -> std::vector<size_t> { std::vector<size_t> r = a; r.insert(r.end(), b.begin(), b.end()); };
+  auto v_concat = [](const std::vector<size_t>& a, const std::vector<size_t>& b) -> std::vector<size_t> { std::vector<size_t> r = a; r.insert(r.end(), b.begin(), b.end()); return r; };
   const std::vector<size_t> res_empty;
   const std::vector<size_t> res_all_hf = v_range(0, ZANO_HARDFORKS_TOTAL - 1);
   std::string hf_total_num_str_m_1 = epee::string_tools::num_to_string_fast(ZANO_HARDFORKS_TOTAL - 1);