I clearly don't know where to put this...

flake.nix

@@ -9,6 +9,11 @@
     wezterm.url = "github:wez/wezterm?dir=nix";
   };
 
+  nixConfig = {
+    extra-substituters = [ "https://daylin.cachix.org"];
+    extra-trusted-public-keys = ["daylin.cachix.org-1:fLdSnbhKjtOVea6H9KqXeir+PyhO+sDSPhEW66ClE/k="];
+  };
+
   outputs = inputs @ {
     self,
     nixpkgs,

hosts/othalan/default.nix

@@ -51,6 +51,4 @@
       "audio"
     ];
   };
-
-  
 }

modules/hyprland.nix

@@ -32,7 +32,7 @@
     catppuccin-cursors.mochaDark
     pavucontrol
   ];
-  nixpkgs.overlays =  [ inputs.nixpkgs-wayland.overlay ];
+  nixpkgs.overlays = [inputs.nixpkgs-wayland.overlay];
   # wayland extras
   nix.settings = {
     # add binary caches

modules/nix.nix

@@ -25,11 +25,5 @@
 
     nix.settings = {
     trusted-users = ["daylin"];
-    substituters = [
-      "https://daylin.cachix.org"
-    ];
-     trusted-public-keys = [
-      "daylin.cachix.org-1:fLdSnbhKjtOVea6H9KqXeir+PyhO+sDSPhEW66ClE/k="
-    ];
   };
 }

modules/restic.nix

@@ -1,4 +1,4 @@
-{...}:{
+{...}: {
   services.restic.backups.gdrive = {
     extraBackupArgs = [
       "--exclude-file /home/daylin/.config/restic/excludes.txt"
@@ -21,5 +21,4 @@
       RandomizedDelaySec = "5h";
     };
   };
-
 }