diff --git a/homes/x86_64-linux/harald@sgx-azure/default.nix b/homes/x86_64-linux/harald@sgx-azure/default.nix
index 02652c8..e4c2b15 100644
--- a/homes/x86_64-linux/harald@sgx-azure/default.nix
+++ b/homes/x86_64-linux/harald@sgx-azure/default.nix
@@ -12,11 +12,9 @@
   nix.settings = {
     substituters = [
       "https://cache.nixos.org"
-      "https://attic.teepot.org/tee-pot"
     ];
     trusted-public-keys = [
       "cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY="
-      "tee-pot:SS6HcrpG87S1M6HZGPsfo7d1xJccCGev7/tXc5+I4jg="
     ];
   };
 
diff --git a/modules/nixos/nix/default.nix b/modules/nixos/nix/default.nix
index fe7ba58..f5b0c60 100644
--- a/modules/nixos/nix/default.nix
+++ b/modules/nixos/nix/default.nix
@@ -60,9 +60,7 @@ in
           "root"
           config.metacfg.user.name
         ] ++ optional config.services.hydra.enable "hydra";
-        extra-substituters = cfg.extra-substituters // {
-          "https://attic.teepot.org/tee-pot".key = "tee-pot:SS6HcrpG87S1M6HZGPsfo7d1xJccCGev7/tXc5+I4jg=";
-        };
+        extra-substituters = cfg.extra-substituters;
       in
       {
         package = cfg.package;