diff --git a/src/Api/EmailValidationV4.php b/src/Api/EmailValidationV4.php
index 3e4b818..88a21fa 100755
--- a/src/Api/EmailValidationV4.php
+++ b/src/Api/EmailValidationV4.php
@@ -13,7 +13,6 @@ namespace Mailgun\Api;
 
 use Exception;
 use Mailgun\Assert;
-use Mailgun\Exception\InvalidArgumentException;
 use Mailgun\Model\EmailValidationV4\CreateBulkJobResponse;
 use Mailgun\Model\EmailValidationV4\CreateBulkPreviewResponse;
 use Mailgun\Model\EmailValidationV4\DeleteBulkJobResponse;