diff --git a/deployment/check/data-model-tf-proxmox/nixosTest.nix b/deployment/check/data-model-tf-proxmox/nixosTest.nix
index dd5c25a..79a4cec 100644
--- a/deployment/check/data-model-tf-proxmox/nixosTest.nix
+++ b/deployment/check/data-model-tf-proxmox/nixosTest.nix
@@ -115,9 +115,6 @@ in
       ];
 
       networking.firewall.enable = false;
-      nix.nixPath = [
-        (lib.concatStringsSep ":" (lib.mapAttrsToList (k: v: k + "=" + v) sources))
-      ];
 
       environment.systemPackages = [
         vm-deployment.run
diff --git a/deployment/check/netbox-ips/nixosTest.nix b/deployment/check/netbox-ips/nixosTest.nix
index a14cd8a..17362f2 100644
--- a/deployment/check/netbox-ips/nixosTest.nix
+++ b/deployment/check/netbox-ips/nixosTest.nix
@@ -46,10 +46,6 @@ in
         ../../modules/terraform-backend
       ];
 
-      nix.nixPath = [
-        (lib.concatStringsSep ":" (lib.mapAttrsToList (k: v: k + "=" + v) sources))
-      ];
-
       environment.systemPackages = [
         pkgs.jq
         (pkgs.callPackage ../../run/tf-netbox-store-ips/tf.nix { })