diff --git a/GeoIP2.php b/GeoIP2.php
index 77e5376..26fba52 100644
--- a/GeoIP2.php
+++ b/GeoIP2.php
@@ -13,15 +13,15 @@
 namespace Geocoder\Provider\GeoIP2;
 
 use Geocoder\Collection;
+use Geocoder\Exception\InvalidCredentials;
+use Geocoder\Exception\QuotaExceeded;
+use Geocoder\Exception\UnsupportedOperation;
 use Geocoder\Model\Address;
 use Geocoder\Model\AddressCollection;
-use Geocoder\Query\GeocodeQuery;
-use Geocoder\Query\ReverseQuery;
 use Geocoder\Provider\AbstractProvider;
 use Geocoder\Provider\Provider;
-use Geocoder\Exception\UnsupportedOperation;
-use Geocoder\Exception\InvalidCredentials;
-use Geocoder\Exception\QuotaExceeded;
+use Geocoder\Query\GeocodeQuery;
+use Geocoder\Query\ReverseQuery;
 use GeoIp2\Exception\AddressNotFoundException;
 use GeoIp2\Exception\AuthenticationException;
 use GeoIp2\Exception\OutOfQueriesException;
@@ -41,9 +41,6 @@ public function __construct(GeoIP2Adapter $adapter)
         $this->adapter = $adapter;
     }
 
-    /**
-     * {@inheritdoc}
-     */
     public function geocodeQuery(GeocodeQuery $query): Collection
     {
         $address = $query->getText();
@@ -89,25 +86,16 @@ public function geocodeQuery(GeocodeQuery $query): Collection
         ]);
     }
 
-    /**
-     * {@inheritdoc}
-     */
     public function reverseQuery(ReverseQuery $query): Collection
     {
         throw new UnsupportedOperation('The GeoIP2 provider is not able to do reverse geocoding.');
     }
 
-    /**
-     * {@inheritdoc}
-     */
     public function getName(): string
     {
         return 'geoip2';
     }
 
-    /**
-     * @param string $address
-     */
     private function executeQuery(string $address): string
     {
         $uri = sprintf('file://geoip?%s', $address);
diff --git a/GeoIP2Adapter.php b/GeoIP2Adapter.php
index a1b246e..00b06d4 100644
--- a/GeoIP2Adapter.php
+++ b/GeoIP2Adapter.php
@@ -12,9 +12,9 @@
 
 namespace Geocoder\Provider\GeoIP2;
 
-use GeoIp2\ProviderInterface;
 use Geocoder\Exception\InvalidArgument;
 use Geocoder\Exception\UnsupportedOperation;
+use GeoIp2\ProviderInterface;
 
 /**
  * @author Jens Wiese <jens@howtrueisfalse.de>
@@ -24,9 +24,9 @@ class GeoIP2Adapter
     /**
      * GeoIP2 models (e.g. city or country).
      */
-    const GEOIP2_MODEL_CITY = 'city';
+    public const GEOIP2_MODEL_CITY = 'city';
 
-    const GEOIP2_MODEL_COUNTRY = 'country';
+    public const GEOIP2_MODEL_COUNTRY = 'country';
 
     /**
      * @var ProviderInterface
@@ -39,8 +39,7 @@ class GeoIP2Adapter
     protected $geoIP2Model;
 
     /**
-     * @param \GeoIp2\ProviderInterface $geoIpProvider
-     * @param string                    $geoIP2Model   (e.g. self::GEOIP2_MODEL_CITY)
+     * @param string $geoIP2Model (e.g. self::GEOIP2_MODEL_CITY)
      */
     public function __construct(ProviderInterface $geoIpProvider, $geoIP2Model = self::GEOIP2_MODEL_CITY)
     {
@@ -57,8 +56,6 @@ public function __construct(ProviderInterface $geoIpProvider, $geoIP2Model = sel
      * Returns the content fetched from a given resource.
      *
      * @param string $url (e.g. file://database?127.0.0.1)
-     *
-     * @return string
      */
     public function getContent(string $url): string
     {
@@ -81,8 +78,6 @@ public function getContent(string $url): string
 
     /**
      * Returns the name of the Adapter.
-     *
-     * @return string
      */
     public function getName(): string
     {
@@ -91,10 +86,6 @@ public function getName(): string
 
     /**
      * Returns whether method is supported by GeoIP2.
-     *
-     * @param string $method
-     *
-     * @return bool
      */
     protected function isSupportedGeoIP2Model(string $method): bool
     {
diff --git a/Tests/GeoIP2AdapterTest.php b/Tests/GeoIP2AdapterTest.php
index a15f850..f1ca60a 100644
--- a/Tests/GeoIP2AdapterTest.php
+++ b/Tests/GeoIP2AdapterTest.php
@@ -13,7 +13,6 @@
 namespace Geocoder\Provider\GeoIP2\Tests;
 
 use Geocoder\Provider\GeoIP2\GeoIP2Adapter;
-use RuntimeException;
 use PHPUnit\Framework\MockObject\MockObject;
 use PHPUnit\Framework\TestCase;
 
@@ -28,14 +27,12 @@ class GeoIP2AdapterTest extends TestCase
     protected $adapter;
 
     /**
-     * {@inheritdoc}
-     *
-     * @throws RuntimeException
+     * @throws \RuntimeException
      */
     public static function setUpBeforeClass(): void
     {
         if (false === class_exists('\GeoIp2\Database\Reader')) {
-            throw new RuntimeException("The maxmind's lib 'geoip2/geoip2' is required to run this test.");
+            throw new \RuntimeException("The maxmind's lib 'geoip2/geoip2' is required to run this test.");
         }
     }
 
diff --git a/Tests/GeoIP2Test.php b/Tests/GeoIP2Test.php
index aee4203..a96796f 100644
--- a/Tests/GeoIP2Test.php
+++ b/Tests/GeoIP2Test.php
@@ -13,17 +13,17 @@
 namespace Geocoder\Provider\GeoIP2\Tests;
 
 use Geocoder\Collection;
+use Geocoder\Exception\InvalidCredentials;
+use Geocoder\Exception\QuotaExceeded;
 use Geocoder\IntegrationTest\BaseTestCase;
 use Geocoder\Location;
-use Geocoder\Query\GeocodeQuery;
-use Geocoder\Query\ReverseQuery;
 use Geocoder\Provider\GeoIP2\GeoIP2;
 use Geocoder\Provider\GeoIP2\GeoIP2Adapter;
+use Geocoder\Query\GeocodeQuery;
+use Geocoder\Query\ReverseQuery;
 use GeoIp2\Database\Reader;
 use GeoIp2\Exception\AuthenticationException;
 use GeoIp2\Exception\OutOfQueriesException;
-use Geocoder\Exception\InvalidCredentials;
-use Geocoder\Exception\QuotaExceeded;
 use PHPUnit\Framework\MockObject\MockObject;
 
 /**
@@ -164,8 +164,6 @@ public static function provideDataForRetrievingGeodata()
      * @dataProvider provideDataForRetrievingGeodata
      *
      * @param string $address
-     * @param mixed  $adapterResponse
-     * @param mixed  $expectedGeodata
      */
     public function testRetrievingGeodata($address, $adapterResponse, $expectedGeodata)
     {
@@ -235,9 +233,6 @@ public function testGeoIp2Encoding()
 
     /**
      * @dataProvider provideDataForTestingExceptions
-     *
-     * @param \Exception $original
-     * @param string     $replacementClass
      */
     public function testExceptionConversion(\Exception $original, string $replacementClass)
     {
@@ -260,8 +255,6 @@ public static function provideDataForTestingExceptions(): array
     }
 
     /**
-     * @param mixed $returnValue
-     *
      * @return GeoIP2Adapter&MockObject
      */
     private function getGeoIP2AdapterMock($returnValue = '')