diff --git a/examples/payten/_payment_config.php b/examples/payten/_payment_config.php
index 75ea372d..29e87b6d 100644
--- a/examples/payten/_payment_config.php
+++ b/examples/payten/_payment_config.php
@@ -1,7 +1,5 @@
 <?php
 
-use Mews\Pos\Entity\Card\CreditCardInterface;
-
 require __DIR__.'/../_main_config.php';
 
 $bankTestsUrl = $hostUrl.'/payten';
@@ -14,7 +12,6 @@
         'month' => '12',
         'cvv' => '000',
         'name' => 'John Doe',
-        'type' => CreditCardInterface::CARD_TYPE_VISA,
     ],
     'visaZiraat' => [
         'number' => '4546711234567894',
@@ -22,7 +19,6 @@
         'month' => '12',
         'cvv' => '000',
         'name' => 'John Doe',
-        'type' => CreditCardInterface::CARD_TYPE_VISA,
     ],
     'masterZiraat' => [
         'number' => '5401341234567891',
@@ -30,7 +26,6 @@
         'month' => '12',
         'cvv' => '000',
         'name' => 'John Doe',
-        'type' => CreditCardInterface::CARD_TYPE_MASTERCARD,
     ],
     'visa1' => [
         'number' => '4546711234567894',
@@ -38,7 +33,6 @@
         'month' => '12',
         'cvv' => '000',
         'name' => 'John Doe',
-        'type' => CreditCardInterface::CARD_TYPE_VISA,
     ],
     'visa_isbank_imece' => [
         /**
@@ -52,6 +46,5 @@
         'month'  => '10',
         'cvv'    => '123',
         'name'   => 'John Doe',
-        'type'   => CreditCardInterface::CARD_TYPE_VISA,
     ],
 ];
diff --git a/src/DataMapper/RequestDataMapper/EstPosRequestDataMapper.php b/src/DataMapper/RequestDataMapper/EstPosRequestDataMapper.php
index 17968500..1c58f2a5 100644
--- a/src/DataMapper/RequestDataMapper/EstPosRequestDataMapper.php
+++ b/src/DataMapper/RequestDataMapper/EstPosRequestDataMapper.php
@@ -38,14 +38,6 @@ class EstPosRequestDataMapper extends AbstractRequestDataMapper
         PosInterface::TX_TYPE_HISTORY       => 'ORDERHISTORY',
     ];
 
-    /**
-     * {@inheritdoc}
-     */
-    protected array $cardTypeMapping = [
-        CreditCardInterface::CARD_TYPE_VISA       => '1',
-        CreditCardInterface::CARD_TYPE_MASTERCARD => '2',
-    ];
-
     /**
      * {@inheritdoc}
      */
@@ -286,7 +278,6 @@ protected function create3DFormDataCommon(AbstractPosAccount $posAccount, array
         ];
 
         if ($creditCard instanceof CreditCardInterface) {
-            $inputs['cardType']                        = $this->cardTypeMapping[$creditCard->getType()];
             $inputs['pan']                             = $creditCard->getNumber();
             $inputs['Ecom_Payment_Card_ExpDate_Month'] = $creditCard->getExpireMonth(self::CREDIT_CARD_EXP_MONTH_FORMAT);
             $inputs['Ecom_Payment_Card_ExpDate_Year']  = $creditCard->getExpireYear(self::CREDIT_CARD_EXP_YEAR_FORMAT);
diff --git a/src/Gateways/EstPos.php b/src/Gateways/EstPos.php
index 458b5788..4c9fbc0b 100644
--- a/src/Gateways/EstPos.php
+++ b/src/Gateways/EstPos.php
@@ -16,8 +16,6 @@
 
 /**
  * Implementation of Payten Payment Gateway
- * todo cardType verisi dokumantasyona gore kontrol edilmesi gerekiyor.
- * cardType gondermeden de su an calisiyor.
  *
  * @deprecated use Mews\Pos\Gateways\EstV3Pos.
  * For security reasons this class which uses sha1 hashing algorithm is not recommended to use.
diff --git a/tests/Unit/DataMapper/RequestDataMapper/EstPosRequestDataMapperTest.php b/tests/Unit/DataMapper/RequestDataMapper/EstPosRequestDataMapperTest.php
index 67ed859c..55460208 100644
--- a/tests/Unit/DataMapper/RequestDataMapper/EstPosRequestDataMapperTest.php
+++ b/tests/Unit/DataMapper/RequestDataMapper/EstPosRequestDataMapperTest.php
@@ -430,7 +430,6 @@ public static function threeDFormDataProvider(): array
                         'taksit'                          => '',
                         'islemtipi'                       => 'Auth',
                         'hash'                            => 'TN+2/D8lijFd+5zAUar6SH6EiRY=',
-                        'cardType'                        => '1',
                         'pan'                             => '5555444433332222',
                         'Ecom_Payment_Card_ExpDate_Month' => '01',
                         'Ecom_Payment_Card_ExpDate_Year'  => '22',
diff --git a/tests/Unit/DataMapper/RequestDataMapper/EstV3PosRequestDataMapperTest.php b/tests/Unit/DataMapper/RequestDataMapper/EstV3PosRequestDataMapperTest.php
index aa0e300a..06554b12 100644
--- a/tests/Unit/DataMapper/RequestDataMapper/EstV3PosRequestDataMapperTest.php
+++ b/tests/Unit/DataMapper/RequestDataMapper/EstV3PosRequestDataMapperTest.php
@@ -149,7 +149,6 @@ public static function threeDFormDataProvider(): array
                         'TranType'                        => 'Auth',
                         'hashAlgorithm'                   => 'ver3',
                         'hash'                            => '3fvBzh0HT3UiKUTXis0Ke2NG3mAp9eBOwx26bstv+l6L946GrOF2JklXfqTNc6VBeqUSkuLxo4ErtwCWuPCzYw==',
-                        'cardType'                        => '1',
                         'pan'                             => '5555444433332222',
                         'Ecom_Payment_Card_ExpDate_Month' => '01',
                         'Ecom_Payment_Card_ExpDate_Year'  => '22',