diff --git a/tests/Unit/Transactions/Builder/DelegateRegistrationTest.php b/tests/Unit/Transactions/Builder/DelegateRegistrationTest.php
index e0d0871..b227f66 100644
--- a/tests/Unit/Transactions/Builder/DelegateRegistrationTest.php
+++ b/tests/Unit/Transactions/Builder/DelegateRegistrationTest.php
@@ -36,20 +36,6 @@ public function it_should_sign_it_with_a_passphrase()
         $this->assertTrue($transaction->verify());
     }
 
-    /** @test */
-    public function it_should_sign_it_with_a_second_passphrase()
-    {
-        $secondPassphrase = 'this is a top secret second passphrase';
-
-        $transaction = DelegateRegistrationBuilder::new()
-            ->username('polopolo')
-            ->sign($this->passphrase)
-            ->secondSign($secondPassphrase);
-
-        $this->assertTrue($transaction->verify());
-        $this->assertTrue($transaction->secondVerify(PublicKey::fromPassphrase($secondPassphrase)->getHex()));
-    }
-
     /** @test */
     public function it_should_match_fixture_passphrase()
     {
diff --git a/tests/Unit/Transactions/Builder/DelegateResignationTest.php b/tests/Unit/Transactions/Builder/DelegateResignationTest.php
index f6717d0..7bfa7ee 100644
--- a/tests/Unit/Transactions/Builder/DelegateResignationTest.php
+++ b/tests/Unit/Transactions/Builder/DelegateResignationTest.php
@@ -35,19 +35,6 @@ public function it_should_sign_it_with_a_passphrase()
         $this->assertTrue($transaction->verify());
     }
 
-    /** @test */
-    public function it_should_sign_it_with_a_second_passphrase()
-    {
-        $secondPassphrase = 'this is a top secret second passphrase';
-
-        $transaction = DelegateResignationBuilder::new()
-            ->sign($this->passphrase)
-            ->secondSign($secondPassphrase);
-
-        $this->assertTrue($transaction->verify());
-        $this->assertTrue($transaction->secondVerify(PublicKey::fromPassphrase($secondPassphrase)->getHex()));
-    }
-
     /** @test */
     public function it_should_match_fixture_passphrase()
     {
diff --git a/tests/Unit/Transactions/Builder/HtlcClaimTest.php b/tests/Unit/Transactions/Builder/HtlcClaimTest.php
index 7c8c983..4ba503a 100644
--- a/tests/Unit/Transactions/Builder/HtlcClaimTest.php
+++ b/tests/Unit/Transactions/Builder/HtlcClaimTest.php
@@ -38,22 +38,6 @@ public function it_should_sign_it_with_a_passphrase()
         $this->assertTrue($transaction->verify());
     }
 
-    /** @test */
-    public function it_should_sign_it_with_a_second_passphrase()
-    {
-        $secondPassphrase = 'this is a top secret second passphrase';
-
-        $transaction = HtlcClaimBuilder::new()
-            ->htlcClaimAsset(
-                'fe1a1b3b117c28078c5d3c42ffb9492234afc01d15b08c047feccf0b6bee0f78',
-                'my secret that should be 32bytes'
-            )->sign($this->passphrase)
-            ->secondSign($secondPassphrase);
-
-        $this->assertTrue($transaction->verify());
-        $this->assertTrue($transaction->secondVerify(PublicKey::fromPassphrase($secondPassphrase)->getHex()));
-    }
-
     /** @test */
     public function it_should_match_fixture_passphrase()
     {
diff --git a/tests/Unit/Transactions/Builder/HtlcLockTest.php b/tests/Unit/Transactions/Builder/HtlcLockTest.php
index e1f55ba..af88851 100644
--- a/tests/Unit/Transactions/Builder/HtlcLockTest.php
+++ b/tests/Unit/Transactions/Builder/HtlcLockTest.php
@@ -41,25 +41,6 @@ public function it_should_sign_it_with_a_passphrase()
         $this->assertTrue($transaction->verify());
     }
 
-    /** @test */
-    public function it_should_sign_it_with_a_second_passphrase()
-    {
-        $secondPassphrase = 'this is a top secret second passphrase';
-
-        $transaction = HtlcLockBuilder::new()
-            ->htlcLockAsset(
-                '0f128d401958b1b30ad0d10406f47f9489321017b4614e6cb993fc63913c5454',
-                1,
-                1
-            )
-            ->recipient('ANBkoGqWeTSiaEVgVzSKZd3jS7UWzv9PSo')
-            ->sign($this->passphrase)
-            ->secondSign($secondPassphrase);
-
-        $this->assertTrue($transaction->verify());
-        $this->assertTrue($transaction->secondVerify(PublicKey::fromPassphrase($secondPassphrase)->getHex()));
-    }
-
     /** @test */
     public function it_should_match_fixture_passphrase()
     {
diff --git a/tests/Unit/Transactions/Builder/HtlcRefundTest.php b/tests/Unit/Transactions/Builder/HtlcRefundTest.php
index a8ff75f..15bb2e6 100644
--- a/tests/Unit/Transactions/Builder/HtlcRefundTest.php
+++ b/tests/Unit/Transactions/Builder/HtlcRefundTest.php
@@ -35,21 +35,7 @@ public function it_should_sign_it_with_a_passphrase()
 
         $this->assertTrue($transaction->verify());
     }
-
-    /** @test */
-    public function it_should_sign_it_with_a_second_passphrase()
-    {
-        $secondPassphrase = 'this is a top secret second passphrase';
-
-        $transaction = HtlcRefundBuilder::new()
-            ->htlcRefundAsset('fe1a1b3b117c28078c5d3c42ffb9492234afc01d15b08c047feccf0b6bee0f78')
-            ->sign($this->passphrase)
-            ->secondSign($secondPassphrase);
-
-        $this->assertTrue($transaction->verify());
-        $this->assertTrue($transaction->secondVerify(PublicKey::fromPassphrase($secondPassphrase)->getHex()));
-    }
-
+    
     /** @test */
     public function it_should_match_fixture_passphrase()
     {
diff --git a/tests/Unit/Transactions/Builder/IPFSTest.php b/tests/Unit/Transactions/Builder/IPFSTest.php
index 7af04b8..48207da 100644
--- a/tests/Unit/Transactions/Builder/IPFSTest.php
+++ b/tests/Unit/Transactions/Builder/IPFSTest.php
@@ -36,20 +36,6 @@ public function it_should_sign_it_with_a_passphrase()
         $this->assertTrue($transaction->verify());
     }
 
-    /** @test */
-    public function it_should_sign_it_with_a_second_passphrase()
-    {
-        $secondPassphrase = 'this is a top secret second passphrase';
-
-        $transaction = IPFSBuilder::new()
-            ->ipfsAsset('QmR45FmbVVrixReBwJkhEKde2qwHYaQzGxu4ZoDeswuF9w')
-            ->sign($this->passphrase)
-            ->secondSign($secondPassphrase);
-
-        $this->assertTrue($transaction->verify());
-        $this->assertTrue($transaction->secondVerify(PublicKey::fromPassphrase($secondPassphrase)->getHex()));
-    }
-
     /** @test */
     public function it_should_match_fixture_passphrase()
     {
diff --git a/tests/Unit/Transactions/Builder/MultiPaymentTest.php b/tests/Unit/Transactions/Builder/MultiPaymentTest.php
index 38f89a5..9fcae8d 100644
--- a/tests/Unit/Transactions/Builder/MultiPaymentTest.php
+++ b/tests/Unit/Transactions/Builder/MultiPaymentTest.php
@@ -36,20 +36,6 @@ public function it_should_sign_it_with_a_passphrase()
         $this->assertTrue($transaction->verify());
     }
 
-    /** @test */
-    public function it_should_sign_it_with_a_second_passphrase()
-    {
-        $secondPassphrase = 'this is a top secret second passphrase';
-
-        $transaction = MultiPaymentBuilder::new()
-            ->add('AXoXnFi4z1Z6aFvjEYkDVCtBGW2PaRiM25', '100000000')
-            ->sign($this->passphrase)
-            ->secondSign($secondPassphrase);
-
-        $this->assertTrue($transaction->verify());
-        $this->assertTrue($transaction->secondVerify(PublicKey::fromPassphrase($secondPassphrase)->getHex()));
-    }
-
     /** @test */
     public function it_should_match_fixture_passphrase()
     {
diff --git a/tests/Unit/Transactions/Builder/MultiSignatureRegistrationTest.php b/tests/Unit/Transactions/Builder/MultiSignatureRegistrationTest.php
index bbf1daf..1f5597c 100644
--- a/tests/Unit/Transactions/Builder/MultiSignatureRegistrationTest.php
+++ b/tests/Unit/Transactions/Builder/MultiSignatureRegistrationTest.php
@@ -42,26 +42,6 @@ public function it_should_sign_it_with_a_passphrase()
         $this->assertTrue($transaction->verify());
     }
 
-    /** @test */
-    public function it_should_sign_it_with_a_second_passphrase()
-    {
-        $secondPassphrase = 'this is a top secret second passphrase';
-
-        $transaction = MultiSignatureRegistrationBuilder::new()
-            ->min(2)
-            ->lifetime(255)
-            ->keysgroup([
-                '03a02b9d5fdd1307c2ee4652ba54d492d1fd11a7d1bb3f3a44c4a05e79f19de933',
-                '13a02b9d5fdd1307c2ee4652ba54d492d1fd11a7d1bb3f3a44c4a05e79f19de933',
-                '23a02b9d5fdd1307c2ee4652ba54d492d1fd11a7d1bb3f3a44c4a05e79f19de933',
-            ])
-            ->sign('this is a top secret passphrase')
-            ->secondSign($secondPassphrase);
-
-        $this->assertTrue($transaction->verify());
-        $this->assertTrue($transaction->secondVerify(PublicKey::fromPassphrase($secondPassphrase)->getHex()));
-    }
-
     /** @test */
     public function it_should_match_fixture_passphrase()
     {
diff --git a/tests/Unit/Transactions/Builder/TransferTest.php b/tests/Unit/Transactions/Builder/TransferTest.php
index 9b8a293..dfde44a 100644
--- a/tests/Unit/Transactions/Builder/TransferTest.php
+++ b/tests/Unit/Transactions/Builder/TransferTest.php
@@ -38,22 +38,6 @@ public function it_should_sign_it_with_a_passphrase()
         $this->assertTrue($transaction->verify());
     }
 
-    /** @test */
-    public function it_should_sign_it_with_a_second_passphrase()
-    {
-        $secondPassphrase = 'this is a top secret second passphrase';
-
-        $transaction = TransferBuilder::new()
-            ->recipient('AXoXnFi4z1Z6aFvjEYkDVCtBGW2PaRiM25')
-            ->amount('133380000000')
-            ->vendorField('This is a transaction from PHP')
-            ->sign($this->passphrase)
-            ->secondSign($secondPassphrase);
-
-        $this->assertTrue($transaction->verify());
-        $this->assertTrue($transaction->secondVerify(PublicKey::fromPassphrase($secondPassphrase)->getHex()));
-    }
-
     /** @test */
     public function it_should_match_fixture_passphrase()
     {
diff --git a/tests/Unit/Transactions/Builder/VoteTest.php b/tests/Unit/Transactions/Builder/VoteTest.php
index cff60dc..138c012 100644
--- a/tests/Unit/Transactions/Builder/VoteTest.php
+++ b/tests/Unit/Transactions/Builder/VoteTest.php
@@ -36,20 +36,6 @@ public function it_should_sign_it_with_a_passphrase()
         $this->assertTrue($transaction->verify());
     }
 
-    /** @test */
-    public function it_should_sign_it_with_a_second_passphrase()
-    {
-        $secondPassphrase = 'this is a top secret second passphrase';
-
-        $transaction = VoteBuilder::new()
-            ->votes(['+034151a3ec46b5670a682b0a63394f863587d1bc97483b1b6c70eb58e7f0aed192'])
-            ->sign($this->passphrase)
-            ->secondSign($secondPassphrase);
-
-        $this->assertTrue($transaction->verify());
-        $this->assertTrue($transaction->secondVerify(PublicKey::fromPassphrase($secondPassphrase)->getHex()));
-    }
-
     /** @test */
     public function it_should_match_fixture_passphrase()
     {