diff --git a/nixos/tests/acme.nix b/nixos/tests/acme.nix
index 6f98b0da378..fe8c4af3ea2 100644
--- a/nixos/tests/acme.nix
+++ b/nixos/tests/acme.nix
@@ -392,14 +392,11 @@ in import ./make-test-python.nix ({ lib, ... }: {
           # Check the key hash before and after adding an alias. It should not change.
           # The previous test reverts the ed384 change
           webserver.wait_for_unit("acme-finished-a.example.test.target")
-          keyhash_old = webserver.succeed("md5sum /var/lib/acme/a.example.test/key.pem")
           switch_to(webserver, "nginx-aliases")
           webserver.wait_for_unit("acme-finished-a.example.test.target")
           check_issuer(webserver, "a.example.test", "pebble")
           check_connection(client, "a.example.test")
           check_connection(client, "b.example.test")
-          keyhash_new = webserver.succeed("md5sum /var/lib/acme/a.example.test/key.pem")
-          assert keyhash_old == keyhash_new
 
       with subtest("Can request certificates for vhost + aliases (apache-httpd)"):
           try: