diff --git a/core/lib/Thelia/Module/AbstractDeliveryModule.php b/core/lib/Thelia/Module/AbstractDeliveryModule.php
index 9e9710534..f38e1db9c 100644
--- a/core/lib/Thelia/Module/AbstractDeliveryModule.php
+++ b/core/lib/Thelia/Module/AbstractDeliveryModule.php
@@ -28,26 +28,5 @@ use Thelia\Module\Exception\DeliveryException;
 
 abstract class AbstractDeliveryModule extends BaseModule implements DeliveryModuleInterface
 {
-    /**
-     * This method is called by the Delivery  loop, to check if the current module has to be displayed to the customer.
-     * Override it to implements your delivery rules/
-     *
-     * If you return true, the delivery method will de displayed to the customer
-     * If you return false, the delivery method will not be displayed
-     *
-     * @param Country $country the country to deliver to.
-     *
-     * @return boolean
-     */
-    public abstract function isValidDelivery(Country $country);
 
-    /**
-     * Calculate and return delivery price in the shop's default currency
-     *
-     * @param Country $country the country to deliver to.
-     *
-     * @return float the delivery price
-     * @throws DeliveryException if the postage price cannot be calculated.
-     */
-    public abstract function getPostage(Country $country);
 }
\ No newline at end of file
diff --git a/core/lib/Thelia/Module/AbstractPaymentModule.php b/core/lib/Thelia/Module/AbstractPaymentModule.php
index 5c2e4cec8..a6e3064f8 100644
--- a/core/lib/Thelia/Module/AbstractPaymentModule.php
+++ b/core/lib/Thelia/Module/AbstractPaymentModule.php
@@ -32,30 +32,6 @@ use Thelia\Tools\URL;
 
 abstract class AbstractPaymentModule extends BaseModule implements PaymentModuleInterface
 {
-    /**
-     *  This method is called when the payment gateway needs to be invoked.
-     *
-     * If this method return a Response instance, this response is sent to the browser. Return null if you don't want to
-     * send a response and process the payment yourself.
-     *
-     * In many cases, it's necessary to send a form to the payment gateway. On your response you can return this form already
-     * completed, ready to be sent, instead of redirecting. The generateGatewayFormResponse() may help you in this case :)
-     *
-     * @param  Order         $order processed order
-     * @return null|Response
-     */
-    abstract public function pay(Order $order);
-
-    /**
-     * This method is called by the Payment loop, to check if the current module has to be displayed to the customer
-     *
-     * If you return true, the payment method will de displayed to the customed
-     * If you return false, the payment method will not be displayed
-     *
-     * @return boolean
-     */
-    abstract public function isValidPayment();
-
     /**
      * Render the payment gateway template. The module should provide the gateway URL and the form fields names and values.
      *