diff --git a/src/Core/Constants.cs b/src/Core/Constants.cs
index dec2945adf..ed0eae8044 100644
--- a/src/Core/Constants.cs
+++ b/src/Core/Constants.cs
@@ -113,7 +113,6 @@ public static class FeatureFlagKeys
     /* Auth Team */
     public const string PM9112DeviceApprovalPersistence = "pm-9112-device-approval-persistence";
     public const string TwoFactorExtensionDataPersistence = "pm-9115-two-factor-extension-data-persistence";
-    public const string DuoRedirect = "duo-redirect";
     public const string EmailVerification = "email-verification";
     public const string DeviceTrustLogging = "pm-8285-device-trust-logging";
     public const string AuthenticatorTwoFactorToken = "authenticator-2fa-token";