diff --git a/flake.nix b/flake.nix
index 585a47b..bd62d70 100644
--- a/flake.nix
+++ b/flake.nix
@@ -36,8 +36,6 @@
         mailserver = nixpkgs.lib.nixosSystem {
           system = "x86_64-linux";
           modules = [
-            (nixpkgs
-              + "/nixos/modules/installer/cd-dvd/installation-cd-minimal.nix")
             simple-nixos-mailserver.nixosModule
             ./sys/mailserver
           ];