diff --git a/flake.nix b/flake.nix
index bd49414..a9a49f7 100644
--- a/flake.nix
+++ b/flake.nix
@@ -2,8 +2,6 @@
   description = "A highly structured configuration database.";
 
   nixConfig.extra-experimental-features = "nix-command flakes";
-  nixConfig.extra-substituters = "https://nix-dram.cachix.org https://dram.cachix.org  https://nrdxp.cachix.org https://nix-community.cachix.org";
-  nixConfig.extra-trusted-public-keys = "nix-dram.cachix.org-1:CKjZ0L1ZiqH3kzYAZRt8tg8vewAx5yj8Du/+iR8Efpg= dram.cachix.org-1:baoy1SXpwYdKbqdTbfKGTKauDDeDlHhUpC+QuuILEMY= nrdxp.cachix.org-1:Fc5PSqY2Jm1TrWfm88l6cvGWwz3s93c6IOifQWnhNW4= nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs=";
 
   inputs = {
     # Track channels with commits tested and built by hydra
@@ -99,9 +97,7 @@
 
         imports = [(digga.lib.importHosts ./hosts)];
         hosts = {
-          /*
-          set host specific properties here
-          */
+          # Set host-specific properties here
           bootstrap = {
             modules = [
               digga.nixosModules.bootstrapIso
diff --git a/profiles/cachix/nix-community.nix b/profiles/cachix/nix-community.nix
deleted file mode 100644
index 3c957fc..0000000
--- a/profiles/cachix/nix-community.nix
+++ /dev/null
@@ -1,10 +0,0 @@
-{
-  nix.settings = {
-    substituters = [
-      "https://nix-community.cachix.org"
-    ];
-    trusted-public-keys = [
-      "nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs="
-    ];
-  };
-}
diff --git a/profiles/cachix/nrdxp.nix b/profiles/cachix/nrdxp.nix
deleted file mode 100644
index ddced9c..0000000
--- a/profiles/cachix/nrdxp.nix
+++ /dev/null
@@ -1,10 +0,0 @@
-{
-  nix.settings = {
-    substituters = [
-      "https://nrdxp.cachix.org"
-    ];
-    trusted-public-keys = [
-      "nrdxp.cachix.org-1:Fc5PSqY2Jm1TrWfm88l6cvGWwz3s93c6IOifQWnhNW4="
-    ];
-  };
-}