lint.

lib/bcoin/hd.js

@@ -1428,6 +1428,7 @@ HDPublicKey.parseBase58 = function parseBase58(xkey) {
 HDPublicKey.parseRaw = function parseRaw(raw) {
   var p = new BufferReader(raw);
   var data = {};
+  var i, type, prefix;
 
   data.version = p.readU32BE();
   data.depth = p.readU8();

lib/bcoin/wallet.js

@@ -2453,7 +2453,6 @@ function MasterKey(options) {
  */
 
 MasterKey.prototype.toKey = function toKey(passphrase, timeout) {
-  var self = this;
   var xprivkey;
 
   if (!this.key) {

lib/bcoin/walletdb.js

@@ -358,9 +358,6 @@ WalletDB.prototype.get = function get(id, callback) {
  */
 
 WalletDB.prototype.getRaw = function getRaw(id, callback) {
-  var self = this;
-  var wallet;
-
   if (!id)
     return callback();