diff --git a/tests/tofu/main.tf b/tests/tofu/main.tf
index 083b11810..acdb45d38 100644
--- a/tests/tofu/main.tf
+++ b/tests/tofu/main.tf
@@ -55,14 +55,10 @@ resource "google_container_cluster" "primary" {
 
   private_cluster_config {
     enable_private_nodes        = true
-    # private_endpoint_subnetwork = google_compute_subnetwork.subnet.self_link
-    master_ipv4_cidr_block = "172.16.0.0/28"
+    private_endpoint_subnetwork = google_compute_subnetwork.subnet.self_link
+    # master_ipv4_cidr_block = "172.16.0.0/28"
   }
-  ip_allocation_policy {
-    # cluster_ipv4_cidr_block = google_compute_subnetwork.subnet.ip_cidr_range
-    stack_type = "IPV4_IPV6"
-  }
-  datapath_provider = "ADVANCED_DATAPATH"
+  ip_allocation_policy {}
 }
 
 resource "google_container_node_pool" "primary_nodes" {
diff --git a/tests/tofu/network.tf b/tests/tofu/network.tf
index 7649616bd..5f45c3a8c 100644
--- a/tests/tofu/network.tf
+++ b/tests/tofu/network.tf
@@ -9,8 +9,6 @@ resource "google_compute_subnetwork" "subnet" {
   network                  = google_compute_network.vpc.self_link
   ip_cidr_range            = "10.10.0.0/24"
   private_ip_google_access = true
-  stack_type = "IPV4_IPV6"
-  ipv6_access_type = "EXTERNAL"
 }
 
 resource "google_compute_router" "router" {