diff --git a/apps/authentication/serializers.py b/apps/authentication/serializers.py
index 989d94d62..b343d33f4 100644
--- a/apps/authentication/serializers.py
+++ b/apps/authentication/serializers.py
@@ -16,7 +16,7 @@ from .models import AccessKey, LoginConfirmSetting
 __all__ = [
     'AccessKeySerializer', 'OtpVerifySerializer', 'BearerTokenSerializer',
     'MFAChallengeSerializer', 'LoginConfirmSettingSerializer', 'SSOTokenSerializer',
-    'ConnectionTokenSerializer', 'ConnectionTokenSecretSerializer', 'RDPFileSerializer',
+    'ConnectionTokenSerializer', 'ConnectionTokenSecretSerializer',
     'PasswordVerifySerializer',
 ]