diff --git a/src/currency_core/currency_format_utils.cpp b/src/currency_core/currency_format_utils.cpp
index 4040b331..e1bfe6d1 100644
--- a/src/currency_core/currency_format_utils.cpp
+++ b/src/currency_core/currency_format_utils.cpp
@@ -3203,7 +3203,7 @@ namespace currency
   }
   //---------------------------------------------------------------
   // NOTE: this function is obsolete and depricated
-  // PoS block real timestamp is set using a service attachment in mining tx extra since 2021-10 
+  [[deprecated("PoS block real timestamp is set using a service attachment in mining tx extra since 2021-10")]]
   uint64_t get_actual_timestamp(const block& b)
   {
     uint64_t tes_ts = b.timestamp;
diff --git a/src/wallet/wallet2.h b/src/wallet/wallet2.h
index 85871bbb..188136be 100644
--- a/src/wallet/wallet2.h
+++ b/src/wallet/wallet2.h
@@ -649,7 +649,7 @@ namespace tools
     void push_offer(const bc_services::offer_details_ex& od, currency::transaction& res_tx);
     void cancel_offer_by_id(const crypto::hash& tx_id, uint64_t of_ind, uint64_t fee, currency::transaction& tx);
     void update_offer_by_id(const crypto::hash& tx_id, uint64_t of_ind, const bc_services::offer_details_ex& od, currency::transaction& res_tx);
-    void request_alias_registration(currency::extra_alias_entry& ai, currency::transaction& res_tx, uint64_t fee, uint64_t reward, const crypto::secret_key& authority_key = currency::null_skey);
+    void request_alias_registration(currency::extra_alias_entry& ai, currency::transaction& res_tx, uint64_t fee, uint64_t reward = 0, const crypto::secret_key& authority_key = currency::null_skey); // if the given reward is 0, then the actual reward value will be requested via RPC
     void request_alias_update(currency::extra_alias_entry& ai, currency::transaction& res_tx, uint64_t fee, uint64_t reward);
     bool check_available_sources(std::list<uint64_t>& amounts);