diff --git a/src/cryptonote_basic/cryptonote_format_utils.cpp b/src/cryptonote_basic/cryptonote_format_utils.cpp
index 094057b1f..69b2a2487 100644
--- a/src/cryptonote_basic/cryptonote_format_utils.cpp
+++ b/src/cryptonote_basic/cryptonote_format_utils.cpp
@@ -1065,8 +1065,6 @@ namespace cryptonote
     // prefix
     get_transaction_prefix_hash(t, hashes[0]);
 
-    transaction &tt = const_cast<transaction&>(t);
-
     const blobdata blob = tx_to_blob(t);
     const unsigned int unprunable_size = t.unprunable_size;
     const unsigned int prefix_size = t.prefix_size;