diff --git a/lib/blockchain/chaindb.js b/lib/blockchain/chaindb.js
index ab06683f..a7c1010b 100644
--- a/lib/blockchain/chaindb.js
+++ b/lib/blockchain/chaindb.js
@@ -1155,9 +1155,6 @@ ChainDB.prototype.getHashesByAddress = co(function* getHashesByAddress(addresses
     address = addresses[i];
     hash = Address.getHash(address);
 
-    if (!hash)
-      throw new Error('Not an address.');
-
     yield this.db.keys({
       gte: layout.T(hash, encoding.ZERO_HASH),
       lte: layout.T(hash, encoding.MAX_HASH),