diff --git a/modules/system/nix/module.nix b/modules/system/nix/module.nix
index d57d631..696f22c 100644
--- a/modules/system/nix/module.nix
+++ b/modules/system/nix/module.nix
@@ -138,12 +138,10 @@ in {
       # Substituters to pull from.
       substituters = [
         "https://cache.nixos.org" # funny binary cache
-        "https://helix.cachix.org" # a chache for helix
       ];
 
       trusted-public-keys = [
         "cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY="
-        "helix.cachix.org-1:ejp9KQpR1FBI2onstMQ34yogDm4OgU2ru6lIwPvuCVs="
       ];
     };
   };