diff --git a/libraries/net/include/graphene/net/core_messages.hpp b/libraries/net/include/graphene/net/core_messages.hpp
index 27607832de..41e1d74154 100644
--- a/libraries/net/include/graphene/net/core_messages.hpp
+++ b/libraries/net/include/graphene/net/core_messages.hpp
@@ -95,13 +95,10 @@ namespace graphene { namespace net {
       static const core_message_type_enum type;
 
       graphene::protocol::precomputable_transaction trx;
-      trx_message() {}
-      trx_message(const graphene::protocol::signed_transaction& signed_trx) :
+      trx_message() = default;
+      explicit trx_message(graphene::protocol::signed_transaction&& signed_trx) :
         trx(signed_trx)
       {}
-      trx_message(graphene::protocol::signed_transaction&& signed_trx) :
-        trx(std::move(signed_trx))
-      {}
    };
 
    struct block_message