diff --git a/src/blockchain_db/berkeleydb/db_bdb.cpp b/src/blockchain_db/berkeleydb/db_bdb.cpp
index 6c79120e8..b27a00a69 100644
--- a/src/blockchain_db/berkeleydb/db_bdb.cpp
+++ b/src/blockchain_db/berkeleydb/db_bdb.cpp
@@ -714,29 +714,6 @@ bool BlockchainBDB::for_all_outputs(std::function<bool(uint64_t amount, const cr
     return ret;
 }
 
-blobdata BlockchainBDB::output_to_blob(const tx_out& output) const
-{
-    LOG_PRINT_L3("BlockchainBDB::" << __func__);
-    blobdata b;
-    if (!t_serializable_object_to_blob(output, b))
-        throw1(DB_ERROR("Error serializing output to blob"));
-    return b;
-}
-
-tx_out BlockchainBDB::output_from_blob(const blobdata& blob) const
-{
-    LOG_PRINT_L3("BlockchainBDB::" << __func__);
-    std::stringstream ss;
-    ss << blob;
-    binary_archive<false> ba(ss);
-    tx_out o;
-
-    if (!(::serialization::serialize(ba, o)))
-        throw1(DB_ERROR("Error deserializing tx output blob"));
-
-    return o;
-}
-
 uint64_t BlockchainBDB::get_output_global_index(const uint64_t& amount, const uint64_t& index)
 {
     LOG_PRINT_L3("BlockchainBDB::" << __func__);
diff --git a/src/blockchain_db/berkeleydb/db_bdb.h b/src/blockchain_db/berkeleydb/db_bdb.h
index 76d0a0517..e80adae9e 100644
--- a/src/blockchain_db/berkeleydb/db_bdb.h
+++ b/src/blockchain_db/berkeleydb/db_bdb.h
@@ -391,24 +391,6 @@ private:
   virtual void check_hard_fork_info();
   virtual void drop_hard_fork_info();
 
-  /**
-   * @brief convert a tx output to a blob for storage
-   *
-   * @param output the output to convert
-   *
-   * @return the resultant blob
-   */
-  blobdata output_to_blob(const tx_out& output) const;
-
-  /**
-   * @brief convert a tx output blob to a tx output
-   *
-   * @param blob the blob to convert
-   *
-   * @return the resultant tx output
-   */
-  tx_out output_from_blob(const blobdata& blob) const;
-
   /**
    * @brief get the global index of the index-th output of the given amount
    *
diff --git a/src/blockchain_db/lmdb/db_lmdb.cpp b/src/blockchain_db/lmdb/db_lmdb.cpp
index 5af5d1903..125eff88f 100644
--- a/src/blockchain_db/lmdb/db_lmdb.cpp
+++ b/src/blockchain_db/lmdb/db_lmdb.cpp
@@ -1112,29 +1112,6 @@ void BlockchainLMDB::remove_spent_key(const crypto::key_image& k_image)
   }
 }
 
-blobdata BlockchainLMDB::output_to_blob(const tx_out& output) const
-{
-  LOG_PRINT_L3("BlockchainLMDB::" << __func__);
-  blobdata b;
-  if (!t_serializable_object_to_blob(output, b))
-    throw1(DB_ERROR("Error serializing output to blob"));
-  return b;
-}
-
-tx_out BlockchainLMDB::output_from_blob(const blobdata& blob) const
-{
-  LOG_PRINT_L3("BlockchainLMDB::" << __func__);
-  std::stringstream ss;
-  ss << blob;
-  binary_archive<false> ba(ss);
-  tx_out o;
-
-  if (!(::serialization::serialize(ba, o)))
-    throw1(DB_ERROR("Error deserializing tx output blob"));
-
-  return o;
-}
-
 void BlockchainLMDB::check_open() const
 {
 //  LOG_PRINT_L3("BlockchainLMDB::" << __func__);
diff --git a/src/blockchain_db/lmdb/db_lmdb.h b/src/blockchain_db/lmdb/db_lmdb.h
index 26159ab4d..12261dca3 100644
--- a/src/blockchain_db/lmdb/db_lmdb.h
+++ b/src/blockchain_db/lmdb/db_lmdb.h
@@ -357,24 +357,6 @@ private:
   virtual void check_hard_fork_info();
   virtual void drop_hard_fork_info();
 
-  /**
-   * @brief convert a tx output to a blob for storage
-   *
-   * @param output the output to convert
-   *
-   * @return the resultant blob
-   */
-  blobdata output_to_blob(const tx_out& output) const;
-
-  /**
-   * @brief convert a tx output blob to a tx output
-   *
-   * @param blob the blob to convert
-   *
-   * @return the resultant tx output
-   */
-  tx_out output_from_blob(const blobdata& blob) const;
-
   void check_open() const;
 
   virtual bool is_read_only() const;