diff --git a/src/Api/Domain.php b/src/Api/Domain.php
index c19e79e..0a5750d 100644
--- a/src/Api/Domain.php
+++ b/src/Api/Domain.php
@@ -74,12 +74,12 @@ class Domain extends HttpApi
      *
      * @see https://documentation.mailgun.com/en/latest/api-domains.html#domains
      *
-     * @param string   $domain     name of the domain
-     * @param string   $smtpPass   password for SMTP authentication
-     * @param string   $spamAction `disable` or `tag` - inbound spam filtering
-     * @param bool     $wildcard   domain will accept email for subdomains
+     * @param string   $domain             name of the domain
+     * @param string   $smtpPass           password for SMTP authentication
+     * @param string   $spamAction         `disable` or `tag` - inbound spam filtering
+     * @param bool     $wildcard           domain will accept email for subdomains
      * @param bool     $forceDkimAuthority force DKIM authority
-     * @param string[] $ips        an array of ips to be assigned to the domain
+     * @param string[] $ips                an array of ips to be assigned to the domain
      *
      * @return CreateResponse|array|ResponseInterface
      */
diff --git a/src/Api/MailingList.php b/src/Api/MailingList.php
index f20d47e..2f48883 100644
--- a/src/Api/MailingList.php
+++ b/src/Api/MailingList.php
@@ -76,7 +76,7 @@ class MailingList extends HttpApi
             'name' => $name,
             'description' => $description,
             'access_level' => $accessLevel,
-            'reply_preference' => $replyPreference
+            'reply_preference' => $replyPreference,
         ];
 
         $response = $this->httpPost('/v3/lists', $params);
diff --git a/src/Api/Stats.php b/src/Api/Stats.php
index e5a7144..1d894cb 100644
--- a/src/Api/Stats.php
+++ b/src/Api/Stats.php
@@ -12,7 +12,6 @@ declare(strict_types=1);
 namespace Mailgun\Api;
 
 use Mailgun\Assert;
-use Mailgun\Model\Stats\AllResponse;
 use Mailgun\Model\Stats\TotalResponse;
 
 /**
diff --git a/src/Message/MessageBuilder.php b/src/Message/MessageBuilder.php
index a03fca4..53fd524 100644
--- a/src/Message/MessageBuilder.php
+++ b/src/Message/MessageBuilder.php
@@ -85,8 +85,8 @@ class MessageBuilder
 
     /**
      *     @var string
-     *     @var string $first
-     *     @var string $last
+     *     @var string
+     *     @var string
      * }
      */
     protected function parseAddress(string $address, array $variables): string
diff --git a/src/Model/Event/Event.php b/src/Model/Event/Event.php
index 1d11ac0..6d74126 100644
--- a/src/Model/Event/Event.php
+++ b/src/Model/Event/Event.php
@@ -195,9 +195,6 @@ final class Event
         return $this->method;
     }
 
-    /**
-     * @return string
-     */
     public function getLogLevel(): string
     {
         return $this->logLevel;
diff --git a/src/Model/Ip/IndexResponse.php b/src/Model/Ip/IndexResponse.php
index 6d8af51..104f7e9 100644
--- a/src/Model/Ip/IndexResponse.php
+++ b/src/Model/Ip/IndexResponse.php
@@ -31,7 +31,7 @@ final class IndexResponse implements ApiResponse
     /**
      * @var string[]
      */
-   private $assignableToPools;
+    private $assignableToPools;
 
     private function __construct()
     {
diff --git a/tests/Api/DomainTest.php b/tests/Api/DomainTest.php
index 1466a83..7ee036b 100644
--- a/tests/Api/DomainTest.php
+++ b/tests/Api/DomainTest.php
@@ -249,11 +249,11 @@ JSON
         $this->setRequestBody([
             'name' => 'example.com',
             'smtp_password' => 'foo',
-            'ips' => "127.0.0.1,127.0.0.2",
+            'ips' => '127.0.0.1,127.0.0.2',
         ]);
         $this->setHydrateClass(CreateResponse::class);
 
         $api = $this->getApiInstance();
-        $api->create('example.com', 'foo', null, null, null, ["127.0.0.1", "127.0.0.2"]);
+        $api->create('example.com', 'foo', null, null, null, ['127.0.0.1', '127.0.0.2']);
     }
 }
diff --git a/tests/Api/Ip.php b/tests/Api/Ip.php
index 57c8cec..632b976 100644
--- a/tests/Api/Ip.php
+++ b/tests/Api/Ip.php
@@ -44,7 +44,7 @@ JSON
         $this->assertEquals('192.168.0.2', $response->getItems()[1]);
         $this->assertEquals('192.168.0.1', $response->getAssignableToPools()[0]);
     }
-    
+
     public function testIndexOnlyDedicated()
     {
         $this->setRequestMethod('GET');
@@ -66,7 +66,7 @@ JSON
         $this->assertEquals('192.161.0.1', $response->getItems()[0]);
         $this->assertEquals('192.168.0.1', $response->getAssignableToPools()[0]);
     }
-    
+
     public function testIndexOnlyShared()
     {
         $this->setRequestMethod('GET');
diff --git a/tests/Api/IpTest.php b/tests/Api/IpTest.php
index a319365..09c0dcb 100644
--- a/tests/Api/IpTest.php
+++ b/tests/Api/IpTest.php
@@ -11,7 +11,6 @@ declare(strict_types=1);
 
 namespace Mailgun\Tests\Api;
 
-use GuzzleHttp\Psr7\Response;
 use Mailgun\Api\Ip;
 use Mailgun\Model\Ip\UpdateResponse;
 
diff --git a/tests/Api/MailingListTest.php b/tests/Api/MailingListTest.php
index 3786d58..ae1f38c 100644
--- a/tests/Api/MailingListTest.php
+++ b/tests/Api/MailingListTest.php
@@ -48,7 +48,7 @@ class MailingListTest extends TestCase
             'name' => 'Foo',
             'description' => 'Description',
             'access_level' => 'readonly',
-            'reply_preference' => 'list'
+            'reply_preference' => 'list',
         ];
 
         $api = $this->getApiMock();