diff --git a/lib/bcoin/script.js b/lib/bcoin/script.js
index 75b7a670..643e8928 100644
--- a/lib/bcoin/script.js
+++ b/lib/bcoin/script.js
@@ -279,8 +279,6 @@ script.getSubscript = function getSubscript(s, lastSep) {
 };
 
 script.checksig = function checksig(msg, sig, key) {
-  var k;
-
   if (key.getPublic)
     key = key.getPublic();
 
@@ -292,18 +290,6 @@ script.checksig = function checksig(msg, sig, key) {
 
   sig = sig.slice(0, -1);
 
-  try {
-    k = bcoin.ecdsa.keyPair({ pub: key });
-  } catch (e) {
-    return false;
-  }
-
-  // Points at Infinity make verify() throw.
-  // This specifically throws on wallet-test.js
-  // where [1] is concatted to the pubkey.
-  if (k.getPublic().isInfinity())
-    return false;
-
   // Use a try catch in case there are
   // any uncaught errors for bad inputs in verify().
   try {
diff --git a/lib/bcoin/wallet.js b/lib/bcoin/wallet.js
index da5feb9c..f7b8b53f 100644
--- a/lib/bcoin/wallet.js
+++ b/lib/bcoin/wallet.js
@@ -670,10 +670,10 @@ Wallet.prototype.createKey = function createKey(change, index) {
       delete this._firstKey;
       return key;
     }
-    key = bcoin.ecdsa.genKeyPair();
+    key = bcoin.keypair();
     return {
-      privateKey: key.getPrivate().toArray(),
-      publicKey: key.getPublic(true, 'array')
+      privateKey: key.privateKey,
+      publicKey: key.publicKey
     };
   }