diff --git a/src/controllers/CartController.php b/src/controllers/CartController.php
index e2836ad29c..4e0eb14555 100644
--- a/src/controllers/CartController.php
+++ b/src/controllers/CartController.php
@@ -121,7 +121,6 @@ public function actionUpdateCart(): ?Response
             $qty = (int)$this->request->getParam('qty', 1);
 
             if ($qty > 0) {
-
                 // We only want a new line item if they cleared the cart
                 if ($clearLineItems) {
                     $lineItem = Plugin::getInstance()->getLineItems()->createLineItem($this->_cart, $purchasableId, $options);
diff --git a/tests/unit/controllers/CartTest.php b/tests/unit/controllers/CartTest.php
index e49a61c543..8fd6d304a4 100644
--- a/tests/unit/controllers/CartTest.php
+++ b/tests/unit/controllers/CartTest.php
@@ -222,6 +222,10 @@ public function testAddSinglePurchasable(): void
         self::assertCount(1, $cart->getLineItems());
         self::assertSame(2, $cart->getTotalQty());
         self::assertSame($variant->getSalePrice() * 2, $cart->getTotal());
+
+        if ($cart->id) {
+            Craft::$app->getElements()->deleteElement($cart, true);
+        }
     }
 
     /**
@@ -255,6 +259,10 @@ public function testAddMultiplePurchasablesLite(): void
         self::assertSame($lastItem['qty'], $cart->getTotalQty());
         $lineItem = $cart->getLineItems()[0];
         self::assertEquals($lastItem['id'], $lineItem->purchasableId, 'The last line item to be added is the one in the cart');
+
+        if ($cart->id) {
+            Craft::$app->getElements()->deleteElement($cart, true);
+        }
     }
 
     /**
@@ -285,6 +293,10 @@ public function testAddMultiplePurchasables(): void
         $cart = Plugin::getInstance()->getCarts()->getCart();
 
         self::assertCount(2, $cart->getLineItems(), 'Has all items in the car');
+
+        if ($cart->id) {
+            Craft::$app->getElements()->deleteElement($cart, true);
+        }
     }
 
     /**
@@ -326,6 +338,10 @@ public function testAddAddressCustomFieldsOnUpdateCart(): void
         self::assertEquals($shippingAddress['fields']['testPhone'], $cartShippingAddress->testPhone);
         self::assertEquals($billingAddress['addressLine1'], $cartBillingAddress->addressLine1);
         self::assertEquals($billingAddress['fields']['testPhone'], $cartBillingAddress->testPhone);
+
+        if ($cart->id) {
+            Craft::$app->getElements()->deleteElement($cart, true);
+        }
     }
 
     /**