diff --git a/config/base.nix b/config/base.nix
index 5e836bd..ef08ea8 100644
--- a/config/base.nix
+++ b/config/base.nix
@@ -94,8 +94,7 @@
         "pipe-operators"
       ];
       substituters = [
-        config.my.servers.atticd.url
-        config.my.servers.atticd.local
+        "${config.my.servers.atticd.url}/nixos"
         "https://nix-gaming.cachix.org"
         "https://nixpkgs-python.cachix.org"
         "https://devenv.cachix.org"
@@ -105,7 +104,6 @@
         "https://cosmic.cachix.org"
       ];
       trusted-public-keys = [
-        "nixos:kubuWhYCk9/aZp5GDJFAScYgigM66DszP8i1Pzbq0Fc="
         "nixos:kubuWhYCk9/aZp5GDJFAScYgigM66DszP8i1Pzbq0Fc="
         "nix-gaming.cachix.org-1:nbjlureqMbRAxR1gJ/f3hxemL9svXaZF/Ees8vCUUs4="
         "nixpkgs-python.cachix.org-1:hxjI7pFxTyuTHn2NkvWCrAUcNZLNS3ZAvfYNuYifcEU="