diff --git a/zcash_client_backend/src/data_api/mem_wallet.rs b/zcash_client_backend/src/data_api/mem_wallet.rs
index c7c2c4e51..4d8d259a3 100644
--- a/zcash_client_backend/src/data_api/mem_wallet.rs
+++ b/zcash_client_backend/src/data_api/mem_wallet.rs
@@ -485,7 +485,6 @@ impl WalletWrite for MemoryWalletDb {
                         }
                     });
 
-                    // TODO: Is `self.tx_idx` field filled with all the transaction ids from the scanned blocks ?
                     self.tx_idx.insert(txid, block.block_height);
                     transactions.insert(txid, transaction.clone());
                 }