diff --git a/nixos/modules/services/security/sslmate-agent.nix b/nixos/modules/services/security/sslmate-agent.nix
index 081f4c077841..52e39c03b67f 100644
--- a/nixos/modules/services/security/sslmate-agent.nix
+++ b/nixos/modules/services/security/sslmate-agent.nix
@@ -4,9 +4,6 @@
   pkgs,
   ...
 }:
-
-with lib;
-
 let
   cfg = config.services.sslmate-agent;
 
@@ -16,11 +13,11 @@ in
 
   options = {
     services.sslmate-agent = {
-      enable = mkEnableOption "sslmate-agent, a daemon for managing SSL/TLS certificates on a server";
+      enable = lib.mkEnableOption "sslmate-agent, a daemon for managing SSL/TLS certificates on a server";
     };
   };
 
-  config = mkIf cfg.enable {
+  config = lib.mkIf cfg.enable {
     environment.systemPackages = with pkgs; [ sslmate-agent ];
 
     systemd = {