diff --git a/hosts/nix-builder/harmonia.nix b/hosts/nix-builder/harmonia.nix
index ff4c1e1..029c624 100644
--- a/hosts/nix-builder/harmonia.nix
+++ b/hosts/nix-builder/harmonia.nix
@@ -4,9 +4,6 @@
 }:
 
 {
-  sops.secrets.nix-cache-signing-key = {
-    mode = "0400";
-  };
 
   nix.settings = {
     build-dir = "/var/lib/nix-build";