diff --git a/mastodon.nix b/mastodon.nix
index c689d0c..984acc1 100644
--- a/mastodon.nix
+++ b/mastodon.nix
@@ -165,7 +165,6 @@ in {
 
     vapidPublicKeyFile = builtins.toFile "vapidPublicKey" secrets.vapidPublicKey;
     secretKeyBaseFile = builtins.toFile "secretKeyBase" secrets.secretKeyBase;
-    otpSecretFile = builtins.toFile "otpSecret" secrets.otpSecret;
     vapidPrivateKeyFile = builtins.toFile "vapidPrivateKey" secrets.vapidPrivateKey;
 
     extraConfig = {