diff --git a/src/Endpoints/BalanceEndpoint.php b/src/Endpoints/BalanceEndpoint.php
index 0c701304..b6047ae7 100644
--- a/src/Endpoints/BalanceEndpoint.php
+++ b/src/Endpoints/BalanceEndpoint.php
@@ -5,7 +5,6 @@
 use Mollie\Api\Exceptions\ApiException;
 use Mollie\Api\Resources\Balance;
 use Mollie\Api\Resources\BalanceCollection;
-use Mollie\Api\Resources\BaseCollection;
 use Mollie\Api\Resources\LazyCollection;
 
 class BalanceEndpoint extends CollectionRestEndpoint
diff --git a/src/Endpoints/OrderLineEndpoint.php b/src/Endpoints/OrderLineEndpoint.php
index 6fd243ee..15977260 100644
--- a/src/Endpoints/OrderLineEndpoint.php
+++ b/src/Endpoints/OrderLineEndpoint.php
@@ -109,7 +109,7 @@ public function cancelFor(Order $order, array $data): void
      */
     public function cancelForId(string $orderId, array $data): void
     {
-        if (!isset($data['lines']) || !is_array($data['lines'])) {
+        if (! isset($data['lines']) || ! is_array($data['lines'])) {
             throw new ApiException("A lines array is required.");
         }
         $this->parentId = $orderId;
diff --git a/src/Endpoints/RestEndpoint.php b/src/Endpoints/RestEndpoint.php
index 18084123..7bd23e99 100644
--- a/src/Endpoints/RestEndpoint.php
+++ b/src/Endpoints/RestEndpoint.php
@@ -65,7 +65,7 @@ protected function rest_update(string $id, array $body = []): ?BaseResource
      */
     protected function rest_read(string $id, array $filters): BaseResource
     {
-        if (!$this instanceof SingleResourceEndpoint && empty($id)) {
+        if (! $this instanceof SingleResourceEndpoint && empty($id)) {
             throw new ApiException("Invalid resource id.");
         }
 
diff --git a/src/Endpoints/SubscriptionEndpoint.php b/src/Endpoints/SubscriptionEndpoint.php
index 44aa4846..79e1a8ac 100644
--- a/src/Endpoints/SubscriptionEndpoint.php
+++ b/src/Endpoints/SubscriptionEndpoint.php
@@ -5,7 +5,6 @@
 use Mollie\Api\Exceptions\ApiException;
 use Mollie\Api\Resources\Customer;
 use Mollie\Api\Resources\LazyCollection;
-use Mollie\Api\Resources\ResourceFactory;
 use Mollie\Api\Resources\Subscription;
 use Mollie\Api\Resources\SubscriptionCollection;