diff --git a/src/wallet/api/enote_details.h b/src/wallet/api/enote_details.h
index 8c22c1fc1..27a55d4b2 100644
--- a/src/wallet/api/enote_details.h
+++ b/src/wallet/api/enote_details.h
@@ -97,9 +97,9 @@ private:
     // track uses of this enote in the blockchain in the format [ [block_height, tx_id], ... ] if `wallet2::m_track_uses` is true (default is false)
     std::vector<std::pair<std::uint64_t, std::string>> m_uses;
 
-// QUESTION : Any input on these multisig members? I'd ignore them for now.
     // Multisig
     bool m_key_image_partial;
+    // NOTE : These multisig members are part of wallet2 transfer_details and may need to get added here.
 /*
     std::vector<rct::key> m_multisig_k;
     std::vector<multisig_info> m_multisig_info; // one per other participant
diff --git a/src/wallet/api/wallet.cpp b/src/wallet/api/wallet.cpp
index 18d035849..706eb5a2d 100644
--- a/src/wallet/api/wallet.cpp
+++ b/src/wallet/api/wallet.cpp
@@ -1184,7 +1184,7 @@ bool WalletImpl::submitTransaction(const string &fileName) {
 
   bool r = m_wallet->load_tx(fileName, transaction->m_pending_tx);
   if (!r) {
-    setStatus(Status_Ok, tr("Failed to load transaction from file"));
+    setStatusError(tr("Failed to load transaction from file"));
     return false;
   }
   
@@ -3582,7 +3582,7 @@ std::uint64_t WalletImpl::importKeyImages(const std::vector<std::pair<std::strin
     return false;
 }
 //-------------------------------------------------------------------------------------------------------------------
-bool WalletImpl::importKeyImages(std::vector<std::string> key_images, std::size_t offset, std::unordered_set<std::size_t> selected_enotes_indices)
+bool WalletImpl::importKeyImages(const std::vector<std::string> &key_images, std::size_t offset, const std::unordered_set<std::size_t> &selected_enotes_indices)
 {
     clearStatus();
 
diff --git a/src/wallet/api/wallet.h b/src/wallet/api/wallet.h
index 85e9579d9..9d682f7d1 100644
--- a/src/wallet/api/wallet.h
+++ b/src/wallet/api/wallet.h
@@ -277,7 +277,7 @@ public:
     std::vector<std::tuple<std::string, std::uint16_t, std::uint64_t>> getPublicNodes(bool white_only = true) const override;
     std::pair<std::size_t, std::uint64_t> estimateTxSizeAndWeight(bool use_rct, int n_inputs, int ring_size, int n_outputs, std::size_t extra_size) const override;
     std::uint64_t importKeyImages(const std::vector<std::pair<std::string, std::string>> &signed_key_images, std::size_t offset, std::uint64_t &spent, std::uint64_t &unspent, bool check_spent = true) override;
-    bool importKeyImages(std::vector<std::string> key_images, std::size_t offset = 0, std::unordered_set<std::size_t> selected_enotes_indices = {}) override;
+    bool importKeyImages(const std::vector<std::string> &key_images, std::size_t offset = 0, const std::unordered_set<std::size_t> &selected_enotes_indices = {}) override;
     bool getAllowMismatchedDaemonVersion() const override;
     void setAllowMismatchedDaemonVersion(bool allow_mismatch) override;
     bool setDaemon(const std::string &daemon_address, const std::string &daemon_username = "", const std::string &daemon_password = "", bool trusted_daemon = true, const std::string &ssl_support = "autodetect", const std::string &ssl_private_key_path = "", const std::string &ssl_certificate_path = "", const std::string &ssl_ca_file_path = "", const std::vector<std::string> &ssl_allowed_fingerprints_str = {}, bool ssl_allow_any_cert = false, const std::string &proxy = "") override;
diff --git a/src/wallet/api/wallet2_api.h b/src/wallet/api/wallet2_api.h
index 1747aaed1..f68f1a0aa 100644
--- a/src/wallet/api/wallet2_api.h
+++ b/src/wallet/api/wallet2_api.h
@@ -469,20 +469,17 @@ struct WalletListener
      * @brief If the listener is created before the wallet this enables to set created wallet object
      */
     virtual void onSetWallet(Wallet * wallet) { (void)wallet; };
-
     /**
-     * @brief called on blockchain reorg
-     */
+    * brief: onReorg - called on blockchain reorg
+    */
     virtual void onReorg(std::uint64_t height, std::uint64_t blocks_detached, std::size_t transfers_detached) = 0;
-
     /**
-     * @brief called by scan_output() to decrypt keys
-     */
+    * brief: onGetPassword - called by scan_output() to decrypt keys
+    */
     virtual optional<std::string> onGetPassword(const char *reason) = 0;
-
     /**
-     * @brief called when obsolete pool transactions get removed
-     */
+    * brief: onPoolTxRemoved - when obsolete pool transactions get removed
+    */
     virtual void onPoolTxRemoved(const std::string &txid) = 0;
 };
 
@@ -1456,12 +1453,6 @@ struct Wallet
     * note: sets status error on fail
     */
     virtual std::vector<std::pair<std::uint64_t, std::uint64_t>> estimateBacklog(const std::vector<std::pair<double, double>> &fee_levels) const = 0;
-// TODO : mms::multisig_wallet_state - from a quick search for get_multisig_wallet_state in simplewallet.cpp this will be complicated to replace
-    /**
-    * brief: getMultisigWalletState -
-    * return:
-    */
-//    virtual mms::multisig_wallet_state getMultisigWalletState() const = 0;
     /**
     * brief: saveToFile   - save hex string to file
     * param: path_to_file - file name
@@ -1531,7 +1522,7 @@ struct Wallet
     * return: true if succeeded
     * note: sets status error on fail
     */
-    virtual bool importKeyImages(std::vector<std::string> key_images, std::size_t offset = 0, std::unordered_set<std::size_t> selected_enotes_indices = {}) = 0;
+    virtual bool importKeyImages(const std::vector<std::string> &key_images, std::size_t offset = 0, const std::unordered_set<std::size_t> &selected_enotes_indices = {}) = 0;
     /**
     * brief: getAllowMismatchedDaemonVersion -
     */