diff --git a/lib/hdprivatekey.js b/lib/hdprivatekey.js
index 0b58ec5..7cc7e3f 100644
--- a/lib/hdprivatekey.js
+++ b/lib/hdprivatekey.js
@@ -106,7 +106,6 @@ HDPrivateKey._getDerivationIndexes = function(path) {
   }
 
   var indexes = steps.slice(1).map(function(step) {
-    console.log(step);
     var isHardened = step.slice(-1) === '\'';
     if (isHardened) {
       step = step.slice(0, -1);
@@ -122,7 +121,6 @@ HDPrivateKey._getDerivationIndexes = function(path) {
     return index;
   });
 
-  console.log(indexes);
   return _.any(indexes, isNaN) ? null : indexes;
 };
 
diff --git a/test/hdprivatekey.js b/test/hdprivatekey.js
index 1e50316..4a0d20b 100644
--- a/test/hdprivatekey.js
+++ b/test/hdprivatekey.js
@@ -222,7 +222,6 @@ describe('HDPrivate key interface', function() {
       'K',
       'm/',
       'm/12asd',
-      HDPrivateKey.MaxHardened,
       'm/1/2//3'
     ];
 
@@ -237,7 +236,7 @@ describe('HDPrivate key interface', function() {
       var indexes;
 
       indexes = HDPrivateKey._getDerivationIndexes('m/-1/12');
-      indexes.should.eql([-1, 12]);
+      expect(indexes).to.equal(null);
 
       indexes = HDPrivateKey._getDerivationIndexes('m/0/12/12\'');
       indexes.should.eql([0, 12, HDPrivateKey.Hardened + 12]);