diff --git a/modules/hosts/john-p14s/configuration.nix b/modules/hosts/john-p14s/configuration.nix
index f1f1470..53dfcca 100644
--- a/modules/hosts/john-p14s/configuration.nix
+++ b/modules/hosts/john-p14s/configuration.nix
@@ -103,7 +103,6 @@
         # media-session.enable = true;
       };
 
-      home-manager.useGlobalPkgs = true;
       home-manager.users.root = {
         imports = with inputs.self.modules.homeManager; [
           rebuild
diff --git a/modules/hosts/soteria/soteria.nix b/modules/hosts/soteria/soteria.nix
index 6f74633..a12a4d3 100644
--- a/modules/hosts/soteria/soteria.nix
+++ b/modules/hosts/soteria/soteria.nix
@@ -16,10 +16,10 @@ in
       # nixos.restic-envoy
       {
         networking.hostName = hostname;
-        nix.settings.build-dir = "/var/tmp/nix-build";
-        systemd.tmpfiles.rules = [
-          "d /var/tmp/nix-build 1777 root root -"
-        ];
+        # nix.settings.build-dir = "/var/tmp/nix-build";
+        # systemd.tmpfiles.rules = [
+        #   "d /var/tmp/nix-build 1777 root root -"
+        # ];
         step-ssh-host = {
           hostname = hostname;
         };
diff --git a/modules/nix-tools/user.nix b/modules/nix-tools/user.nix
index ab92f69..2b139f5 100644
--- a/modules/nix-tools/user.nix
+++ b/modules/nix-tools/user.nix
@@ -39,6 +39,7 @@
         }];
       };
 
+      home-manager.useGlobalPkgs = true;
       # https://github.com/Doc-Steve/dendritic-design-with-flake-parts/wiki/Dendritic_Aspects#multi-context-aspect
       home-manager.users."${username}" = {
         imports = [ self.modules.homeManager."${username}" ];
diff --git a/modules/services/ssh.nix b/modules/services/ssh.nix
index bec4052..68d8c58 100644
--- a/modules/services/ssh.nix
+++ b/modules/services/ssh.nix
@@ -32,7 +32,6 @@ in
     };
 
     config = {
-      cfg.certificates = lib.mkDefault true;
       services.openssh = {
         enable = true;
         # require public key authentication for better security
@@ -190,7 +189,6 @@ in
             "test-nix" = {
               hostname = "fded:fb16:653e:25da:be24:11ff:fea0:753f";
               user = "john";
-              identityFile = identityFile;
             };
           })
         ];