diff --git a/nixos/tests/initdb.nix b/nixos/tests/initdb.nix
deleted file mode 100644
index e7c83dc4002c..000000000000
--- a/nixos/tests/initdb.nix
+++ /dev/null
@@ -1,19 +0,0 @@
-import ./make-test-python.nix ({ pkgs, latestKernel ? false, ... }: {
-  name = "pg-initdb";
-
-  machine = {...}:
-    {
-      documentation.enable = false;
-      services.postgresql.enable = true;
-      services.postgresql.package = pkgs.postgresql_9_6;
-      environment.pathsToLink = [
-        "/share/postgresql"
-      ];
-    };
-
-  testScript = ''
-    machine.start()
-    machine.succeed("sudo -u postgres initdb -D /tmp/testpostgres2")
-    machine.shutdown()
-  '';
-})
diff --git a/nixos/tests/postgresql.nix b/nixos/tests/postgresql.nix
index 5ba2d38773bb..3201e22555ea 100644
--- a/nixos/tests/postgresql.nix
+++ b/nixos/tests/postgresql.nix
@@ -76,6 +76,9 @@ let
               "stat -c '%a' /var/backup/postgresql/${backupName}.sql.gz | grep 600",
           )
 
+      with subtest("Initdb works"):
+          machine.succeed("sudo -u postgres initdb -D /tmp/testpostgres2")
+
       machine.shutdown()
     '';