diff --git a/src/key.js b/src/key.js
index afbe435a..ad119318 100644
--- a/src/key.js
+++ b/src/key.js
@@ -507,7 +507,7 @@ function getExpirationTime(keyPacket, selfCertificate) {
 Key.prototype.getPrimaryUser = function() {
   var primUser = [];
   for (var i = 0; i < this.users.length; i++) {
-    if ((!this.users[i].userId && !this.users[i].userAttribute) || !this.users[i].selfCertifications) {
+    if (!this.users[i].userId || !this.users[i].selfCertifications) {
       continue;
     }
     for (var j = 0; j < this.users[i].selfCertifications.length; j++) {
diff --git a/src/openpgp.js b/src/openpgp.js
index fd0d5b68..b027991e 100644
--- a/src/openpgp.js
+++ b/src/openpgp.js
@@ -34,7 +34,7 @@
 
 import * as messageLib from './message.js';
 import * as cleartext from './cleartext.js';
-import * as keyLib from './key.js';
+import * as key from './key.js';
 import config from './config/config.js';
 import util from './util';
 import AsyncProxy from './worker/async_proxy.js';
@@ -104,7 +104,7 @@ export function generateKey({ userIds=[], passphrase, numBits=2048, unlocked=fal
     return asyncProxy.delegate('generateKey', options);
   }
 
-  return keyLib.generate(options).then(newKey => ({
+  return key.generate(options).then(newKey => ({
 
     key: newKey,
     privateKeyArmored: newKey.armor(),
@@ -361,65 +361,6 @@ export function decryptSessionKey({ message, privateKey, password }) {
 }
 
 
-/////////////////////////////////////////////
-//                                         //
-//   Public key signing and verification   //
-//                                         //
-/////////////////////////////////////////////
-
-
-/**
- * Signs a paublic key.
- * @param  {Key} publicKey                 public key to be signed
- * @param  {Key|Array<Key>} privateKeys    array of keys or single key with decrypted secret key data to sign public key
- * @return {Promise<String|Key>}           Public key object in form:
- *                                           { publicKey:Key, publicKeyArmored:String }
- * @static
- */
-export function signPublicKey({ publicKey, privateKeys }) {
-  checkKey(publicKey, 'publicKey');
-  privateKeys = toArray(privateKeys);
-
-  if (asyncProxy) { // use web worker if available
-    return asyncProxy.delegate('signPublicKey', { publicKey, privateKeys });
-  }
-
-  return execute(() => {
-
-    const signedPublicKey = publicKey.sign(privateKeys);
-
-    return {
-      publicKey: signedPublicKey,
-      publicKeyArmored: signedPublicKey.armor()
-    };
-
-  }, 'Error signing public key');
-}
-
-/**
- * Verifies public key
- * @param  {Key} publicKey               public key object with signatures
- * @param  {Key|Array<Key>} publicKeys   array of publicKeys or single key, to verify signatures
- * @return {Promise<Object>}             cleartext with status of verified signatures in the form of:
- *                                         { signatures: [{ keyid:String, valid:Boolean|null }] }
- * @static
- */
-export function verifyPublicKey({ publicKey, publicKeys }) {
-  checkKey(publicKey, 'publicKey');
-  publicKeys = toArray(publicKeys);
-
-  if (asyncProxy) { // use web worker if available
-    return asyncProxy.delegate('verifyPublicKey', { publicKey, publicKeys });
-  }
-
-  return execute(() => ({
-
-    signatures: publicKey.verify(publicKeys)
-
-  }), 'Error verifying signed public key');
-}
-
-
 //////////////////////////
 //                      //
 //   Helper functions   //
@@ -455,11 +396,6 @@ function checkCleartextMessage(message) {
     throw new Error('Parameter [message] needs to be of type CleartextMessage');
   }
 }
-function checkKey(key, name) {
-  if (!keyLib.Key.prototype.isPrototypeOf(key)) {
-    throw new Error('Parameter [' + (name || 'key') + '] needs to be of type Key');
-  }
-}
 
 /**
  * Format user ids for internal use.
diff --git a/test/general/openpgp.js b/test/general/openpgp.js
index ebab63e7..9cde0211 100644
--- a/test/general/openpgp.js
+++ b/test/general/openpgp.js
@@ -158,20 +158,6 @@ var priv_key_de =
   '=kyeP',
   '-----END PGP PRIVATE KEY BLOCK-----'].join('\n');
 
-
-var wrong_pubkey = [
-  '-----BEGIN PGP PUBLIC KEY BLOCK-----',
-  'Version: OpenPGP.js v0.9.0',
-  'Comment: Hoodiecrow - https://hoodiecrow.com',
-  '',
-  'xk0EUlhMvAEB/2MZtCUOAYvyLFjDp3OBMGn3Ev8FwjzyPbIF0JUw+L7y2XR5',
-  'RVGvbK88unV3cU/1tOYdNsXI6pSp/Ztjyv7vbBUAEQEAAc0pV2hpdGVvdXQg',
-  'VXNlciA8d2hpdGVvdXQudGVzdEB0LW9ubGluZS5kZT7CXAQQAQgAEAUCUlhM',
-  'vQkQ9vYOm0LN/0wAAAW4Af9C+kYW1AvNWmivdtr0M0iYCUjM9DNOQH1fcvXq',
-  'IiN602mWrkd8jcEzLsW5IUNzVPLhrFIuKyBDTpLnC07Loce1',
-  '=6XMW',
-  '-----END PGP PUBLIC KEY BLOCK-----'].join('\n');
-
 var passphrase = 'hello world';
 var plaintext = 'short message\nnext line\n한국어/조선말';
 var password1 = 'I am a password';
@@ -621,6 +607,18 @@ describe('OpenPGP.js public api tests', function() {
       });
 
       describe('AES / RSA encrypt, decrypt, sign, verify', function() {
+        var wrong_pubkey = '-----BEGIN PGP PUBLIC KEY BLOCK-----\r\n' +
+          'Version: OpenPGP.js v0.9.0\r\n' +
+          'Comment: Hoodiecrow - https://hoodiecrow.com\r\n' +
+          '\r\n' +
+          'xk0EUlhMvAEB/2MZtCUOAYvyLFjDp3OBMGn3Ev8FwjzyPbIF0JUw+L7y2XR5\r\n' +
+          'RVGvbK88unV3cU/1tOYdNsXI6pSp/Ztjyv7vbBUAEQEAAc0pV2hpdGVvdXQg\r\n' +
+          'VXNlciA8d2hpdGVvdXQudGVzdEB0LW9ubGluZS5kZT7CXAQQAQgAEAUCUlhM\r\n' +
+          'vQkQ9vYOm0LN/0wAAAW4Af9C+kYW1AvNWmivdtr0M0iYCUjM9DNOQH1fcvXq\r\n' +
+          'IiN602mWrkd8jcEzLsW5IUNzVPLhrFIuKyBDTpLnC07Loce1\r\n' +
+          '=6XMW\r\n' +
+          '-----END PGP PUBLIC KEY BLOCK-----\r\n\r\n';
+
         beforeEach(function() {
           expect(privateKey.keys[0].decrypt(passphrase)).to.be.true;
         });
@@ -911,48 +909,6 @@ describe('OpenPGP.js public api tests', function() {
           });
         });
       });
-      
-      describe('signPublicKey, verifyPublicKey', function() {
-        beforeEach(function() {
-          expect(privateKey.keys[0].decrypt(passphrase)).to.be.true;
-        });
-        
-        it('should sign and verify public key', function(done) {    
-          var signOpt = {
-            publicKey: openpgp.key.readArmored(pub_key_de).keys[0],
-            privateKeys: privateKey.keys
-          };
-          var verifyOpt = {
-            publicKeys: publicKey.keys
-          };
-          openpgp.signPublicKey(signOpt).then(function(signed) {
-            verifyOpt.publicKey = signed.publicKey;
-            return openpgp.verifyPublicKey(verifyOpt);
-          }).then(function(verified) {
-            expect(verified.signatures[0].valid).to.be.true;
-            expect(verified.signatures[0].keyid.toHex()).to.equal(privateKey.keys[0].getSigningKeyPacket().getKeyId().toHex());
-            done();
-          });
-        });
-      
-        it('should sign and fail to verify public key with wrong public key', function(done) {
-          var signOpt = {
-            publicKey: openpgp.key.readArmored(pub_key_de).keys[0],
-            privateKeys: privateKey.keys
-          };
-          var verifyOpt = {
-            publicKeys: openpgp.key.readArmored(wrong_pubkey).keys
-          };
-          openpgp.signPublicKey(signOpt).then(function(signed) {
-            verifyOpt.publicKey = signed.publicKey;
-            return openpgp.verifyPublicKey(verifyOpt);
-          }).then(function(verified) {
-            expect(verified.signatures[0].valid).to.be.null;
-            expect(verified.signatures[0].keyid.toHex()).to.equal(privateKey.keys[0].getSigningKeyPacket().getKeyId().toHex());
-            done();
-          });
-        });
-      });
     }
 
   });