diff --git a/src/Data/BankAccount.php b/src/Data/BankAccount.php
index 8b682d7..847578f 100644
--- a/src/Data/BankAccount.php
+++ b/src/Data/BankAccount.php
@@ -34,9 +34,6 @@ class BankAccount extends Data
         return BankAccountRequestFactory::new();
     }
 
-    /**
-     * @return array<string, mixed>
-     */
     public function toNami(?int $memberId = null): string
     {
         return json_encode([