diff --git a/system/cachix/nix-community.nix b/system/cachix/nix-community.nix
index 71099c25..b544f8f2 100644
--- a/system/cachix/nix-community.nix
+++ b/system/cachix/nix-community.nix
@@ -3,9 +3,11 @@
   nix.settings = {
     substituters = [
       "https://nix-community.cachix.org"
+      # "https://app.cachix.org/cache/nixos-rocm"
     ];
     trusted-public-keys = [
       "nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs="
+      # "nixos-rocm.cachix.org-1:VEpsf7pRIijjd8csKjFNBGzkBqOmw8H9PRmgAq14LnE="
     ];
   };
 }