diff --git a/src/Service/Connector/GandiProvider.php b/src/Service/Connector/GandiProvider.php
index 997e908..d6144c5 100644
--- a/src/Service/Connector/GandiProvider.php
+++ b/src/Service/Connector/GandiProvider.php
@@ -94,27 +94,6 @@ class GandiProvider extends AbstractProvider
         }
     }
 
-    public function verifySpecificAuthData(array $authData): array
-    {
-        $token = $authData['token'];
-
-        if (!is_string($token) || empty($token)
-            || (array_key_exists('sharingId', $authData) && !is_string($authData['sharingId']))
-        ) {
-            throw new BadRequestHttpException('Bad authData schema');
-        }
-
-        $authDataReturned = [
-            'token' => $token,
-        ];
-
-        if (array_key_exists('sharingId', $authData)) {
-            $authDataReturned['sharingId'] = $authData['sharingId'];
-        }
-
-        return $authDataReturned;
-    }
-
     /**
      * @throws TransportExceptionInterface
      */
diff --git a/src/Service/Connector/NamecheapProvider.php b/src/Service/Connector/NamecheapProvider.php
index ed01223..4b542dd 100644
--- a/src/Service/Connector/NamecheapProvider.php
+++ b/src/Service/Connector/NamecheapProvider.php
@@ -107,20 +107,6 @@ class NamecheapProvider extends AbstractProvider
         return $data->CommandResponse;
     }
 
-    public function verifySpecificAuthData(array $authData): array
-    {
-        foreach (['ApiUser', 'ApiKey'] as $key) {
-            if (empty($authData[$key]) || !is_string($authData[$key])) {
-                throw new BadRequestHttpException("Bad authData schema: missing or invalid '$key'");
-            }
-        }
-
-        return [
-            'ApiUser' => $authData['ApiUser'],
-            'ApiKey' => $authData['ApiKey'],
-        ];
-    }
-
     /**
      * @throws TransportExceptionInterface
      * @throws ServerExceptionInterface