diff --git a/lib/bcoin/hd.js b/lib/bcoin/hd.js
index 08ce5178..1aa47713 100644
--- a/lib/bcoin/hd.js
+++ b/lib/bcoin/hd.js
@@ -619,7 +619,7 @@ HDPrivateKey.prototype._generate = function _generate(privateKey, entropy) {
   if (utils.isHex(privateKey))
     privateKey = new Buffer(privateKey, 'hex');
   else if (utils.isBase58(privateKey))
-    privateKey = bcoin.keypair.fromSecret(privateKey).getPrivateKey();
+    privateKey = bcoin.keypair._fromSecret(privateKey).privateKey;
 
   if (!entropy)
     entropy = new Buffer(elliptic.rand(32));
@@ -689,7 +689,6 @@ HDPrivateKey.prototype._build = function _build(data) {
   xprivkey = utils.toBase58(sequence);
 
   key = bcoin.keypair({ privateKey: data.privateKey });
-  privateKey = key.getPrivateKey();
   publicKey = key.getPublicKey();
 
   size = constants.hd.parentFingerPrintSize;
@@ -700,7 +699,7 @@ HDPrivateKey.prototype._build = function _build(data) {
   this.parentFingerPrint = data.parentFingerPrint;
   this.childIndex = data.childIndex;
   this.chainCode = data.chainCode;
-  this.privateKey = privateKey;
+  this.privateKey = data.privateKey;
   this.checksum = null;
 
   this.xprivkey = xprivkey;