diff --git a/README.md b/README.md
index 5116629..73b47cb 100644
--- a/README.md
+++ b/README.md
@@ -31,7 +31,7 @@ Change logs are auto-generated with commitizen.
 
 | Name | Source | Version |
 |------|--------|---------|
-| <a name="module_cluster_domain_cname"></a> [cluster\_domain\_cname](#module\_cluster\_domain\_cname) | git@github.e.it.census.gov:terraform-modules/aws-dns//cname | n/a |
+| <a name="module_cname_cluster_domain"></a> [cname\_cluster\_domain](#module\_cname\_cluster\_domain) | git@github.e.it.census.gov:terraform-modules/aws-dns//cname | n/a |
 
 ## Resources
 
@@ -48,7 +48,6 @@ Change logs are auto-generated with commitizen.
 | [aws_lb.lb](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/data-sources/lb) | data source |
 | [aws_vpc.dummy_vpc](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/data-sources/vpc) | data source |
 | [aws_vpc.eks_vpc](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/data-sources/vpc) | data source |
-| [aws_vpc_dhcp_options.options](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/data-sources/vpc_dhcp_options) | data source |
 | [kubernetes_service.istio_ingressgateway](https://registry.terraform.io/providers/hashicorp/kubernetes/latest/docs/data-sources/service) | data source |
 
 ## Inputs
diff --git a/aws_data.tf b/aws_data.tf
index dd53245..7bfda66 100644
--- a/aws_data.tf
+++ b/aws_data.tf
@@ -5,13 +5,6 @@ data "aws_vpc" "eks_vpc" {
   }
 }
 
-data "aws_vpc_dhcp_options" "options" {
-  filter {
-    name   = "vpc-id"
-    values = [local.vpc_id]
-  }
-}
-
 data "aws_caller_identity" "current" {}
 
 data "aws_arn" "current" {
diff --git a/main.tf b/main.tf
index 4e0c1ee..a0d2cc6 100644
--- a/main.tf
+++ b/main.tf
@@ -12,7 +12,6 @@ locals {
   is_shared_vpc              = data.aws_vpc.eks_vpc.owner_id != data.aws_caller_identity.current.account_id
   region                     = var.region
   vpc_domain_name            = var.vpc_domain_name
-  vpc_id                     = data.aws_vpc.eks_vpc.id
 }
 
 resource "time_static" "timestamp" {}
@@ -112,11 +111,11 @@ resource "aws_route53_zone_association" "self_zone_west" {
 #   zone_id = aws_route53_zone.cluster_domain.zone_id
 # }
 
-module "cluster_domain_cname" {
+module "cname_cluster_domain" {
   # tflint-ignore: terraform_module_pinned_source
   source = "git@github.e.it.census.gov:terraform-modules/aws-dns//cname"
 
-  name   = format("%v.%v", var.cluster_name, data.aws_vpc_dhcp_options.options.domain_name)
+  name   = format("%v.%v", var.cluster_name, local.cluster_domain_name)
   values = data.aws_lb.lb.dns_name
   zone   = aws_route53_zone.cluster_domain.zone_id
 }