diff --git a/core/lib/Thelia/Coupon/Type/CouponAbstract.php b/core/lib/Thelia/Coupon/Type/CouponAbstract.php
index 6d57b0d38..5a434a8cf 100644
--- a/core/lib/Thelia/Coupon/Type/CouponAbstract.php
+++ b/core/lib/Thelia/Coupon/Type/CouponAbstract.php
@@ -499,4 +499,11 @@ abstract class CouponAbstract implements CouponInterface
 
         return $effects;
     }
+
+    /**
+     * @inheritdoc
+     */
+    public function clear() {
+        // Does nothing. Override this function as needed.
+    }
 }
diff --git a/core/lib/Thelia/Coupon/Type/CouponInterface.php b/core/lib/Thelia/Coupon/Type/CouponInterface.php
index a9382749f..d8190f3d7 100644
--- a/core/lib/Thelia/Coupon/Type/CouponInterface.php
+++ b/core/lib/Thelia/Coupon/Type/CouponInterface.php
@@ -239,4 +239,9 @@ interface CouponInterface
      */
     public function getEffects($data);
 
+    /**
+     * Clear all the data the coupon may have stored, called after an order is completed.
+     */
+    public function clear();
+
 }