diff --git a/examples/existing-cluster-with-base-and-infra/README.md b/examples/existing-cluster-with-base-and-infra/README.md
index f7c7859..2bf6b8a 100644
--- a/examples/existing-cluster-with-base-and-infra/README.md
+++ b/examples/existing-cluster-with-base-and-infra/README.md
@@ -43,7 +43,8 @@ To run this example, you need to provide your EKS cluster name.
If you don't have a cluster ready, visit [this example](../eks-cluster-with-vpc)
first to create a new one.
-Add your cluster name for `eks_cluster_id="..."` to the `terraform.tfvars` or use an environment variable `export TF_VAR_eks_cluster_id=xxx`.
+Add your cluster name for `eks_cluster_id="..."` to a new `terraform.tfvars` file
+or use an environment variable `export TF_VAR_eks_cluster_id=xxx`.
4. Amazon Managed Grafana workspace
@@ -170,7 +171,7 @@ terraform destroy -var-file=terraform.tfvars
| Name | Description | Type | Default | Required |
|------|-------------|------|---------|:--------:|
| [aws\_region](#input\_aws\_region) | AWS Region | `string` | n/a | yes |
-| [eks\_cluster\_id](#input\_eks\_cluster\_id) | Name of the EKS cluster | `string` | n/a | yes |
+| [eks\_cluster\_id](#input\_eks\_cluster\_id) | Name of the EKS cluster | `string` | `"eks-cluster-with-vpc"` | no |
| [enable\_dashboards](#input\_enable\_dashboards) | Enables or disables curated dashboards | `bool` | `true` | no |
| [grafana\_api\_key](#input\_grafana\_api\_key) | API key for authorizing the Grafana provider to make changes to Amazon Managed Grafana | `string` | n/a | yes |
| [managed\_grafana\_workspace\_id](#input\_managed\_grafana\_workspace\_id) | Amazon Managed Grafana Workspace ID | `string` | n/a | yes |
diff --git a/examples/existing-cluster-with-base-and-infra/terraform.tfvars b/examples/existing-cluster-with-base-and-infra/terraform.tfvars
deleted file mode 100644
index e0eaf56..0000000
--- a/examples/existing-cluster-with-base-and-infra/terraform.tfvars
+++ /dev/null
@@ -1,8 +0,0 @@
-# (mandatory) AWS Region where your resources will be located
-aws_region = ""
-
-# (mandatory) EKS Cluster name
-eks_cluster_id = "eks-cluster-with-vpc"
-
-# (optional) Leave it empty for a new workspace to be created
-managed_prometheus_workspace_id = ""
diff --git a/examples/existing-cluster-with-base-and-infra/variables.tf b/examples/existing-cluster-with-base-and-infra/variables.tf
index 034d18e..3478fbc 100644
--- a/examples/existing-cluster-with-base-and-infra/variables.tf
+++ b/examples/existing-cluster-with-base-and-infra/variables.tf
@@ -1,6 +1,7 @@
variable "eks_cluster_id" {
description = "Name of the EKS cluster"
type = string
+ default = "eks-cluster-with-vpc"
}
variable "aws_region" {