diff --git a/README.md b/README.md
index 3519178..3e64b97 100644
--- a/README.md
+++ b/README.md
@@ -341,7 +341,7 @@ $response = $vault->tokenize($response->transaction);
 
 ### Peek Into The Vault
 
-If you have the need to look up the masked credit card number, or perhaps the full credit card number, you can peek into the Vault.
+If you have the need to look up the masked credit card number you can peek into the Vault.
 
 ```php
 $card = CreditCard::create('4242424242424242', '2012');
@@ -353,8 +353,6 @@ $response = $vault->peek($key);
 $receipt = $response->receipt();
 
 $masked = $receipt->read('data')['masked_pan'];
-
-$full = $receipt->read('data')['pan'];
 ```
 
 ### Retrieve Expiring Cards
@@ -552,4 +550,4 @@ Moneris API is open-sourced software licensed under the [MIT license](https://op
 [link-travis]: https://travis-ci.org/craigpaul/moneris-api
 [link-downloads]: https://packagist.org/packages/craigpaul/moneris-api
 [link-author]: https://github.com/craigpaul
-[link-contributors]: ../../contributors
\ No newline at end of file
+[link-contributors]: ../../contributors
diff --git a/src/Vault.php b/src/Vault.php
index 23aeee1..de28d6d 100644
--- a/src/Vault.php
+++ b/src/Vault.php
@@ -109,14 +109,13 @@ public function expiring()
      * profile associated with a given data key.
      *
      * @param string $key
-     * @param bool $full
      *
      * @return \CraigPaul\Moneris\Response
      */
-    public function peek($key = '', $full = false)
+    public function peek($key = '')
     {
         $params = [
-            'type' => $full ? 'res_lookup_full' : 'res_lookup_masked',
+            'type' => 'res_lookup_masked',
             'data_key' => $key,
         ];
 
diff --git a/tests/VaultTest.php b/tests/VaultTest.php
index 7f52730..9a3c558 100644
--- a/tests/VaultTest.php
+++ b/tests/VaultTest.php
@@ -251,22 +251,6 @@ public function it_can_peek_into_the_vault_and_retrieve_a_masked_credit_card_fro
         $this->assertEquals($end, substr($receipt->read('data')['masked_pan'], -4, 4));
     }
 
-    /** @test */
-    public function it_can_peek_into_the_vault_and_retrieve_a_full_credit_card_from_the_moneris_vault_with_a_valid_data_key()
-    {
-        $response = $this->vault->add($this->card);
-        $key = $response->receipt()->read('key');
-
-        $response = $this->vault->peek($key, true);
-        $receipt = $response->receipt();
-
-        $this->assertTrue($response->successful);
-        $this->assertNotNull($receipt->read('key'));
-        $this->assertEquals('12', $receipt->read('data')['expiry_date']['month']);
-        $this->assertEquals('20', $receipt->read('data')['expiry_date']['year']);
-        $this->assertEquals($this->visa, $receipt->read('data')['pan']);
-    }
-
     /** @test */
     public function it_can_retrieve_all_expiring_credit_cards_from_the_moneris_vault()
     {
@@ -488,4 +472,4 @@ public function it_can_capture_a_pre_authorized_credit_card_stored_in_the_moneri
         $this->assertTrue($response->successful);
         $this->assertEquals(true, $receipt->read('complete'));
     }
-}
\ No newline at end of file
+}