diff --git a/app/code/Magento/QuoteGraphQl/Model/Cart/SetShippingMethodsOnCart.php b/app/code/Magento/QuoteGraphQl/Model/Cart/SetShippingMethodsOnCart.php
index b2526bdc04e98..654a4bb558632 100644
--- a/app/code/Magento/QuoteGraphQl/Model/Cart/SetShippingMethodsOnCart.php
+++ b/app/code/Magento/QuoteGraphQl/Model/Cart/SetShippingMethodsOnCart.php
@@ -42,12 +42,12 @@ public function execute(ContextInterface $context, CartInterface $cart, array $s
         }
         $shippingMethodInput = current($shippingMethodsInput);
 
-        if (!isset($shippingMethodInput['carrier_code']) || empty($shippingMethodInput['carrier_code'])) {
+        if (empty($shippingMethodInput['carrier_code'])) {
             throw new GraphQlInputException(__('Required parameter "carrier_code" is missing.'));
         }
         $carrierCode = $shippingMethodInput['carrier_code'];
 
-        if (!isset($shippingMethodInput['method_code']) || empty($shippingMethodInput['method_code'])) {
+        if (empty($shippingMethodInput['method_code'])) {
             throw new GraphQlInputException(__('Required parameter "method_code" is missing.'));
         }
         $methodCode = $shippingMethodInput['method_code'];