diff --git a/nixos/tests/common/acme/server/default.nix b/nixos/tests/common/acme/server/default.nix
index 457495cdb2c0..893c6924027f 100644
--- a/nixos/tests/common/acme/server/default.nix
+++ b/nixos/tests/common/acme/server/default.nix
@@ -54,11 +54,6 @@ let
   testCerts = import ./snakeoil-certs.nix;
   domain = testCerts.domain;
 
-  resolver = let
-    message = "You need to define a resolver for the acme test module.";
-    firstNS = lib.head config.networking.nameservers;
-  in if config.networking.nameservers == [] then throw message else firstNS;
-
   pebbleConf.pebble = {
     listenAddress = "0.0.0.0:443";
     managementListenAddress = "0.0.0.0:15000";