diff --git a/network_services_tcp_route_actions/main.tf b/network_services_tcp_route_actions/main.tf
index 8ab9f61d..3a339b32 100644
--- a/network_services_tcp_route_actions/main.tf
+++ b/network_services_tcp_route_actions/main.tf
@@ -1,13 +1,15 @@
 resource "google_compute_backend_service" "default" {
-  name          = "my-backend-service-${local.name_suffix}"
-  health_checks = [google_compute_http_health_check.default.id]
+  name                  = "my-backend-service-${local.name_suffix}"
+  load_balancing_scheme = "INTERNAL_SELF_MANAGED"
+  health_checks         = [google_compute_health_check.default.id]
 }
 
-resource "google_compute_http_health_check" "default" {
-  name               = "backend-service-health-check-${local.name_suffix}"
-  request_path       = "/"
-  check_interval_sec = 1
-  timeout_sec        = 1
+resource "google_compute_health_check" "default" {
+  name = "backend-service-health-check-${local.name_suffix}"
+
+  tcp_health_check {
+    port = 80
+  }
 }
 
 resource "google_network_services_tcp_route" "default" {
diff --git a/network_services_tcp_route_basic/main.tf b/network_services_tcp_route_basic/main.tf
index 7226ccb1..0717625d 100644
--- a/network_services_tcp_route_basic/main.tf
+++ b/network_services_tcp_route_basic/main.tf
@@ -1,13 +1,15 @@
 resource "google_compute_backend_service" "default" {
-  name          = "my-backend-service-${local.name_suffix}"
-  health_checks = [google_compute_http_health_check.default.id]
+  name                  = "my-backend-service-${local.name_suffix}"
+  load_balancing_scheme = "INTERNAL_SELF_MANAGED"
+  health_checks         = [google_compute_health_check.default.id]
 }
 
-resource "google_compute_http_health_check" "default" {
-  name               = "backend-service-health-check-${local.name_suffix}"
-  request_path       = "/"
-  check_interval_sec = 1
-  timeout_sec        = 1
+resource "google_compute_health_check" "default" {
+  name = "backend-service-health-check-${local.name_suffix}"
+
+  tcp_health_check {
+    port = 80
+  }
 }
 
 resource "google_network_services_tcp_route" "default" {
diff --git a/network_services_tcp_route_gateway_basic/main.tf b/network_services_tcp_route_gateway_basic/main.tf
index b3c021a8..0ba46ad7 100644
--- a/network_services_tcp_route_gateway_basic/main.tf
+++ b/network_services_tcp_route_gateway_basic/main.tf
@@ -1,13 +1,15 @@
 resource "google_compute_backend_service" "default" {
-  name          = "my-backend-service-${local.name_suffix}"
-  health_checks = [google_compute_http_health_check.default.id]
+  name                  = "my-backend-service-${local.name_suffix}"
+  load_balancing_scheme = "INTERNAL_SELF_MANAGED"
+  health_checks         = [google_compute_health_check.default.id]
 }
 
-resource "google_compute_http_health_check" "default" {
-  name               = "backend-service-health-check-${local.name_suffix}"
-  request_path       = "/"
-  check_interval_sec = 1
-  timeout_sec        = 1
+resource "google_compute_health_check" "default" {
+  name = "backend-service-health-check-${local.name_suffix}"
+
+  tcp_health_check {
+    port = 80
+  }
 }
 
 resource "google_network_services_gateway" "default" {
diff --git a/network_services_tcp_route_mesh_basic/main.tf b/network_services_tcp_route_mesh_basic/main.tf
index edfd647f..7fb0da93 100644
--- a/network_services_tcp_route_mesh_basic/main.tf
+++ b/network_services_tcp_route_mesh_basic/main.tf
@@ -1,13 +1,15 @@
 resource "google_compute_backend_service" "default" {
-  name          = "my-backend-service-${local.name_suffix}"
-  health_checks = [google_compute_http_health_check.default.id]
+  name                  = "my-backend-service-${local.name_suffix}"
+  load_balancing_scheme = "INTERNAL_SELF_MANAGED"
+  health_checks         = [google_compute_health_check.default.id]
 }
 
-resource "google_compute_http_health_check" "default" {
-  name               = "backend-service-health-check-${local.name_suffix}"
-  request_path       = "/"
-  check_interval_sec = 1
-  timeout_sec        = 1
+resource "google_compute_health_check" "default" {
+  name = "backend-service-health-check-${local.name_suffix}"
+
+  tcp_health_check {
+    port = 80
+  }
 }
 
 resource "google_network_services_mesh" "default" {