diff --git a/src/currency_core/blockchain_storage.cpp b/src/currency_core/blockchain_storage.cpp
index 7ecc4a3a..df6fb3f8 100644
--- a/src/currency_core/blockchain_storage.cpp
+++ b/src/currency_core/blockchain_storage.cpp
@@ -3909,7 +3909,7 @@ bool blockchain_storage::check_tx_inputs(const transaction& tx, const crypto::ha
   const std::vector<crypto::signature>* psig = &sig_stub;
 
   TIME_MEASURE_START_PD(tx_check_inputs_loop);
-  BOOST_FOREACH(const auto& txin,  tx.vin)
+  for(const auto& txin : tx.vin)
   {
     if (!m_is_in_checkpoint_zone)
     {
diff --git a/src/rpc/core_rpc_server.cpp b/src/rpc/core_rpc_server.cpp
index 28706e83..dc00ae0c 100644
--- a/src/rpc/core_rpc_server.cpp
+++ b/src/rpc/core_rpc_server.cpp
@@ -880,10 +880,10 @@ namespace currency
     }
     //@#@
     //temporary double check timestamp
-    if (time(NULL) - get_actual_timestamp(b) > 5)
+    if (time(NULL) - static_cast<int64_t>(get_actual_timestamp(b)) > 5)
     {
       LOG_PRINT_RED_L0("Found block (" << get_block_hash(b) << ") timestamp (" << get_actual_timestamp(b)
-        << ") is suspiciously less (" << time(NULL) - get_actual_timestamp(b) << ") then curren time( " << time(NULL) << ")");
+        << ") is suspiciously less (" << time(NULL) - static_cast<int64_t>(get_actual_timestamp(b)) << ") than current time ( " << time(NULL) << ")");
       //mark node to make it easier to find it via scanner      
       m_core.get_blockchain_storage().get_performnce_data().epic_failure_happend = true;
     }
@@ -937,10 +937,10 @@ namespace currency
     }
     //@#@
     //temporary double check timestamp
-    if (time(NULL) - get_actual_timestamp(b) > 5)
+    if (time(NULL) - static_cast<int64_t>(get_actual_timestamp(b)) > 5)
     {
       LOG_PRINT_RED_L0("Found block (" << get_block_hash(b) << ") timestamp (" << get_actual_timestamp(b)
-        << ") is suspiciously less (" << time(NULL) - get_actual_timestamp(b) << ") then curren time( " << time(NULL) << ")");
+        << ") is suspiciously less (" << time(NULL) - static_cast<int64_t>(get_actual_timestamp(b)) << ") than current time ( " << time(NULL) << ")");
       //mark node to make it easier to find it via scanner      
       m_core.get_blockchain_storage().get_performnce_data().epic_failure_happend = true;
     }
diff --git a/src/wallet/wallet2.cpp b/src/wallet/wallet2.cpp
index d4ea87b6..b359d9ea 100644
--- a/src/wallet/wallet2.cpp
+++ b/src/wallet/wallet2.cpp
@@ -2899,10 +2899,10 @@ bool wallet2::build_minted_block(const currency::COMMAND_RPC_SCAN_POS::request&
     m_wcallback->on_pos_block_found(b);
     //@#@
     //double check timestamp
-    if (time(NULL) - get_actual_timestamp(b) > 5)
+    if (time(NULL) - static_cast<int64_t>(get_actual_timestamp(b)) > 5)
     {
       WLT_LOG_RED("Found block (" << get_block_hash(b) << ") timestamp ("  << get_actual_timestamp(b)
-        << ") is suspiciously less (" << time(NULL) - get_actual_timestamp(b) << ") then curren time( " << time(NULL) << ")", LOG_LEVEL_0);
+        << ") is suspiciously less (" << time(NULL) - static_cast<int64_t>(get_actual_timestamp(b)) << ") than current time ( " << time(NULL) << ")", LOG_LEVEL_0);
     }
     //
     return true;