diff --git a/packages/auth/amplify_auth_cognito_dart/lib/src/sdk/src/cognito_identity_provider/model/challenge_name_type.dart b/packages/auth/amplify_auth_cognito_dart/lib/src/sdk/src/cognito_identity_provider/model/challenge_name_type.dart
index 29df69b192..245f07151e 100644
--- a/packages/auth/amplify_auth_cognito_dart/lib/src/sdk/src/cognito_identity_provider/model/challenge_name_type.dart
+++ b/packages/auth/amplify_auth_cognito_dart/lib/src/sdk/src/cognito_identity_provider/model/challenge_name_type.dart
@@ -80,12 +80,6 @@ class ChallengeNameType extends _i1.SmithyEnum<ChallengeNameType> {
     'SOFTWARE_TOKEN_MFA',
   );
 
-  static const emailMfa = ChallengeNameType._(
-    10,
-    'EMAIL_MFA',
-    'EMAIL_MFA',
-  );
-
   /// All values of [ChallengeNameType].
   static const values = <ChallengeNameType>[
     ChallengeNameType.adminNoSrpAuth,
@@ -99,7 +93,6 @@ class ChallengeNameType extends _i1.SmithyEnum<ChallengeNameType> {
     ChallengeNameType.selectMfaType,
     ChallengeNameType.smsMfa,
     ChallengeNameType.softwareTokenMfa,
-    ChallengeNameType.emailMfa,
   ];
 
   static const List<_i1.SmithySerializer<ChallengeNameType>> serializers = [