diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..2462613
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,5 @@
+aws/aws_simple/.terraform.lock.hcl
+aws/aws_simple/.terraform/modules/modules.json
+aws/aws_simple/terraform.tfstate.backup
+aws/aws_simple/terraform.tfstate
+aws/aws_simple/.terraform/providers/registry.terraform.io/hashicorp/aws/5.25.0/linux_amd64/terraform-provider-aws_v5.25.0_x5
diff --git a/aws/aws_simple/ec2/variables.tf b/aws/aws_simple/ec2/variables.tf
deleted file mode 100644
index ad092af..0000000
--- a/aws/aws_simple/ec2/variables.tf
+++ /dev/null
@@ -1,13 +0,0 @@
-
-# Define variables
-variable "min_size" {
-    type        = number
-    description = "Minimum number of instances in the Auto Scaling Group"
-    default     = 1
-}
-
-variable "max_size" {
-    type        = number
-    description = "Maximum number of instances in the Auto Scaling Group"
-    default     = 1
-}
diff --git a/aws/aws_simple/main.tf b/aws/aws_simple/main.tf
index 7c01d7a..ecd4bc0 100644
--- a/aws/aws_simple/main.tf
+++ b/aws/aws_simple/main.tf
@@ -1,34 +1,43 @@
 # Define provider
 provider "aws" {
   region     = var.aws_region
-  access_key = var.aws_access_key
-  secret_key = var.aws_secret_key
 }
 
 # Define modules
-module "vpc_us_west" {
+module "vpc_us" {
   source = "./modules/vpc"
+
+  us_east_subnet_1_id = module.subnets_us_east.us_east_subnet_1_id
+  us_east_subnet_2_id = module.subnets_us_east.us_east_subnet_2_id
+  us_east_subnet_3_id = module.subnets_us_east.us_east_subnet_3_id
+
+  us_west_subnet_1_id = module.subnets_us_west.us_west_subnet_1_id
+  us_west_subnet_2_id = module.subnets_us_west.us_west_subnet_2_id
+  us_west_subnet_3_id = module.subnets_us_west.us_west_subnet_3_id
 }
 
-module "subnet_us_west" {
-  source = "./modules/subnet"
-  vpc_id = module.vpc_us_west.vpc_id
-  region = "us-west-2"
+module "subnets_us_west" {
+  source = "./modules/vpc/subnets/us-west"
+  vpc_id = module.vpc_us.vpc_id
 }
 
-module "vpc_us_east" {
-  source = "./modules/vpc"
-  region = "us-east-1"
-}
-
-module "subnet_us_east" {
-  source = "./modules/subnet"
-  vpc_id = module.vpc_us_east.vpc_id
-  region = "us-east-1"
+module "subnets_us_east" {
+  source = "./modules/vpc/subnets/us-east"
+  vpc_id = module.vpc_us.vpc_id
 }
 
 module "ec2" {
   source = "./modules/ec2"
+  
+  us_east_subnet_1_id = module.subnets_us_east.us_east_subnet_1_id
+  us_east_subnet_2_id = module.subnets_us_east.us_east_subnet_2_id
+  us_east_subnet_3_id = module.subnets_us_east.us_east_subnet_3_id
+
+  us_west_subnet_1_id = module.subnets_us_west.us_west_subnet_1_id
+  us_west_subnet_2_id = module.subnets_us_west.us_west_subnet_2_id
+  us_west_subnet_3_id = module.subnets_us_west.us_west_subnet_3_id
+
+  vpc_id = module.vpc_us.vpc_id
 }
 
 module "elb" {
diff --git a/aws/aws_simple/ec2/ec2.tf b/aws/aws_simple/modules/ec2/ec2.tf
similarity index 67%
rename from aws/aws_simple/ec2/ec2.tf
rename to aws/aws_simple/modules/ec2/ec2.tf
index 1245e58..96743ff 100644
--- a/aws/aws_simple/ec2/ec2.tf
+++ b/aws/aws_simple/modules/ec2/ec2.tf
@@ -1,40 +1,36 @@
 # Define the VPC and subnets data sources
 data "aws_vpc" "vpc" {
-    id = data.aws_subnet.subnet1.vpc_id
-}
-
-module "vpc_subnets" {
-  source = "../vpc/subnets"
+    id = var.vpc_id
 }
 
 data "aws_subnet" "subnet1" {
-    id = module.vpc_subnets.subnet_ids[0]
+    id = var.us_east_subnet_1_id
 }
 
 data "aws_subnet" "subnet2" {
-    id = module.vpc_subnets.subnet_ids[1]
+    id = var.us_east_subnet_2_id
 }
 
 data "aws_subnet" "subnet3" {
-    id = module.vpc_subnets.subnet_ids[2]
+    id = var.us_east_subnet_3_id
 }
 
 data "aws_subnet" "subnet4" {
-    id = module.vpc_subnets.subnet_ids[3]
+    id = var.us_west_subnet_1_id
 }
 
 data "aws_subnet" "subnet5" {
-    id = module.vpc_subnets.subnet_ids[4]
+    id = var.us_west_subnet_2_id
 }
 
 data "aws_subnet" "subnet6" {
-    id = module.vpc_subnets.subnet_ids[5]
+    id = var.us_west_subnet_3_id
 }
 
 # Create a security group for the EC2 instance
 resource "aws_security_group" "instance" {
     name_prefix = "instance-"
-    vpc_id      = data.aws_vpc.vpc.id
+    vpc_id      = var.vpc_id
 
     ingress {
         from_port   = 80
@@ -73,9 +69,23 @@ resource "aws_launch_configuration" "lc" {
 resource "aws_autoscaling_group" "asg" {
     name_prefix                 = "asg-"
     launch_configuration       = aws_launch_configuration.lc.id
+    depends_on = [ 
+        var.vpc_id, 
+        aws_launch_configuration.lc,
+        data.aws_subnet.subnet1,
+        data.aws_subnet.subnet2,
+        data.aws_subnet.subnet3,
+        data.aws_subnet.subnet4,
+        data.aws_subnet.subnet5,
+        data.aws_subnet.subnet6
+    ]
     vpc_zone_identifier         = [
         data.aws_subnet.subnet1.id,
-        data.aws_subnet.subnet2.id
+        data.aws_subnet.subnet2.id,
+        data.aws_subnet.subnet3.id,
+        data.aws_subnet.subnet4.id,
+        data.aws_subnet.subnet5.id,
+        data.aws_subnet.subnet6.id
     ]
     min_size                    = var.min_size
     max_size                    = var.max_size
@@ -90,7 +100,8 @@ resource "aws_autoscaling_group" "asg" {
     }
 }
 
-# Output the instance public IP address
-output "public_ip" {
-    value = aws_autoscaling_group.asg.instances[0].public_ip
+data "aws_instances" "asg_instances" {
+  instance_tags = {
+    "aws:autoscaling:groupName" = aws_autoscaling_group.asg.name
+  }
 }
diff --git a/aws/aws_simple/modules/ec2/outputs.tf b/aws/aws_simple/modules/ec2/outputs.tf
new file mode 100644
index 0000000..d5f2320
--- /dev/null
+++ b/aws/aws_simple/modules/ec2/outputs.tf
@@ -0,0 +1,4 @@
+# output "public_ips" {
+#   description = "Public IP addresses of the instances in the Auto Scaling group"
+#   value       = [for i in data.aws_instances.asg_instances.ids : aws_instance[i].public_ip]
+# }
\ No newline at end of file
diff --git a/aws/aws_simple/ec2/terraform.tfvars b/aws/aws_simple/modules/ec2/terraform.tfvars
similarity index 100%
rename from aws/aws_simple/ec2/terraform.tfvars
rename to aws/aws_simple/modules/ec2/terraform.tfvars
diff --git a/aws/aws_simple/ec2/user-data.sh b/aws/aws_simple/modules/ec2/user-data.sh
similarity index 56%
rename from aws/aws_simple/ec2/user-data.sh
rename to aws/aws_simple/modules/ec2/user-data.sh
index 73a1be4..bb81c28 100644
--- a/aws/aws_simple/ec2/user-data.sh
+++ b/aws/aws_simple/modules/ec2/user-data.sh
@@ -16,7 +16,8 @@ sudo chmod 600 /home/greg/.ssh/authorized_keys
 sudo chown -R greg:greg /home/greg/.ssh
 
 # Add your public key to authorized_keys
-sudo echo "YOUR_PUBLIC_KEY" >> /home/greg/.ssh/authorized_keys
+sudo echo "ssh-rsa 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 greg@ligma
+" >> /home/greg/.ssh/authorized_keys
 
 # Set hostname
 INSTANCE_ID=$(curl -s http://169.254.169.254/latest/meta-data/instance-id)
@@ -25,4 +26,4 @@ HOSTNAME="$INSTANCE_ID-$AVAILABILITY_ZONE"
 sudo hostnamectl set-hostname $HOSTNAME
 
 # Run cloud-init.sh script
-sudo sh /path/to/cloud-init.sh
+# sudo sh /path/to/cloud-init.sh
diff --git a/aws/aws_simple/modules/ec2/variables.tf b/aws/aws_simple/modules/ec2/variables.tf
new file mode 100644
index 0000000..6092172
--- /dev/null
+++ b/aws/aws_simple/modules/ec2/variables.tf
@@ -0,0 +1,49 @@
+
+# Define variables
+variable "min_size" {
+    type        = number
+    description = "Minimum number of instances in the Auto Scaling Group"
+    default     = 1
+}
+
+variable "max_size" {
+    type        = number
+    description = "Maximum number of instances in the Auto Scaling Group"
+    default     = 1
+}
+
+
+variable "us_east_subnet_1_id" {
+  description = "The ID of the first US East subnet"
+  type        = string
+}
+
+variable "us_east_subnet_2_id" {
+  description = "The ID of the second US East subnet"
+  type        = string
+}
+
+variable "us_east_subnet_3_id" {
+  description = "The ID of the third US East subnet"
+  type        = string
+}
+
+variable "us_west_subnet_1_id" {
+  description = "The ID of the first US West subnet"
+  type        = string
+}
+
+variable "us_west_subnet_2_id" {
+  description = "The ID of the second US West subnet"
+  type        = string
+}
+
+variable "us_west_subnet_3_id" {
+  description = "The ID of the third US West subnet"
+  type        = string
+}
+
+variable "vpc_id" {
+  description = "The ID of the VPC"
+  type        = string
+}
\ No newline at end of file
diff --git a/aws/aws_simple/efs/main.tf b/aws/aws_simple/modules/efs/main.tf
similarity index 100%
rename from aws/aws_simple/efs/main.tf
rename to aws/aws_simple/modules/efs/main.tf
diff --git a/aws/aws_simple/elb/main.tf b/aws/aws_simple/modules/elb/main.tf
similarity index 100%
rename from aws/aws_simple/elb/main.tf
rename to aws/aws_simple/modules/elb/main.tf
diff --git a/aws/aws_simple/modules/vpc/outputs.tf b/aws/aws_simple/modules/vpc/outputs.tf
new file mode 100644
index 0000000..87ef5aa
--- /dev/null
+++ b/aws/aws_simple/modules/vpc/outputs.tf
@@ -0,0 +1,3 @@
+output "vpc_id" {
+    value = aws_vpc.vpc_us.id
+}
diff --git a/aws/aws_simple/modules/vpc/subnets/us-east/outputs.tf b/aws/aws_simple/modules/vpc/subnets/us-east/outputs.tf
new file mode 100644
index 0000000..71f3ecd
--- /dev/null
+++ b/aws/aws_simple/modules/vpc/subnets/us-east/outputs.tf
@@ -0,0 +1,16 @@
+# In your vpc/subnets/us-east module
+
+output "us_east_subnet_1_id" {
+  description = "The ID of the first US East subnet"
+  value       = aws_subnet.us_east_subnet_1.id
+}
+
+output "us_east_subnet_2_id" {
+  description = "The ID of the second US East subnet"
+  value       = aws_subnet.us_east_subnet_2.id
+}
+
+output "us_east_subnet_3_id" {
+  description = "The ID of the third US East subnet"
+  value       = aws_subnet.us_east_subnet_3.id
+}
\ No newline at end of file
diff --git a/aws/aws_simple/vpc/subnets/us-east/subnets-east.tf b/aws/aws_simple/modules/vpc/subnets/us-east/subnets-east.tf
similarity index 77%
rename from aws/aws_simple/vpc/subnets/us-east/subnets-east.tf
rename to aws/aws_simple/modules/vpc/subnets/us-east/subnets-east.tf
index a182a30..dea401b 100644
--- a/aws/aws_simple/vpc/subnets/us-east/subnets-east.tf
+++ b/aws/aws_simple/modules/vpc/subnets/us-east/subnets-east.tf
@@ -1,31 +1,36 @@
-
 provider "aws" {
-    region = "us-east-1"
+    region = var.region
 }
 
 resource "aws_subnet" "us_east_subnet_1" {
-    vpc_id     = aws_vpc.my_vpc.id
+    vpc_id     = var.vpc_id
     cidr_block = var.us_east_subnet_1_cidr_block
     availability_zone = var.us_east_subnet_1_az
     tags = {
         Name = "${var.region}_${var.us_east_subnet_1_az}_subnet"
     }
+
+    depends_on = [var.vpc_id]
 }
 
 resource "aws_subnet" "us_east_subnet_2" {
-    vpc_id     = aws_vpc.my_vpc.id
+    vpc_id     = var.vpc_id
     cidr_block = var.us_east_subnet_2_cidr_block
     availability_zone = var.us_east_subnet_2_az
     tags = {
         Name = "${var.region}_${var.us_east_subnet_2_az}_subnet"
     }
+
+    depends_on = [var.vpc_id]
 }
 
 resource "aws_subnet" "us_east_subnet_3" {
-    vpc_id     = aws_vpc.my_vpc.id
+    vpc_id     = var.vpc_id
     cidr_block = var.us_east_subnet_3_cidr_block
     availability_zone = var.us_east_subnet_3_az
     tags = {
         Name = "${var.region}_${var.us_east_subnet_3_az}_subnet"
     }
+
+    depends_on = [var.vpc_id]
 }
\ No newline at end of file
diff --git a/aws/aws_simple/vpc/subnets/us-east/terraform.tfvars b/aws/aws_simple/modules/vpc/subnets/us-east/terraform.tfvars
similarity index 100%
rename from aws/aws_simple/vpc/subnets/us-east/terraform.tfvars
rename to aws/aws_simple/modules/vpc/subnets/us-east/terraform.tfvars
diff --git a/aws/aws_simple/vpc/subnets/us-east/variables.tf b/aws/aws_simple/modules/vpc/subnets/us-east/variables.tf
similarity index 84%
rename from aws/aws_simple/vpc/subnets/us-east/variables.tf
rename to aws/aws_simple/modules/vpc/subnets/us-east/variables.tf
index 784dc3a..06b49e1 100644
--- a/aws/aws_simple/vpc/subnets/us-east/variables.tf
+++ b/aws/aws_simple/modules/vpc/subnets/us-east/variables.tf
@@ -25,4 +25,9 @@ variable "us_east_subnet_2_cidr_block" {
 
 variable "us_east_subnet_3_cidr_block" {
     default = "10.0.6.0/24"
+}
+
+variable "vpc_id" {
+  description = "The ID of the VPC"
+  type        = string
 }
\ No newline at end of file
diff --git a/aws/aws_simple/modules/vpc/subnets/us-west/outputs.tf b/aws/aws_simple/modules/vpc/subnets/us-west/outputs.tf
new file mode 100644
index 0000000..9fa8450
--- /dev/null
+++ b/aws/aws_simple/modules/vpc/subnets/us-west/outputs.tf
@@ -0,0 +1,16 @@
+# In your vpc/subnets/us-east module
+
+output "us_west_subnet_1_id" {
+  description = "The ID of the first US East subnet"
+  value       = aws_subnet.us_west_subnet_1.id
+}
+
+output "us_west_subnet_2_id" {
+  description = "The ID of the second US East subnet"
+  value       = aws_subnet.us_west_subnet_2.id
+}
+
+output "us_west_subnet_3_id" {
+  description = "The ID of the third US East subnet"
+  value       = aws_subnet.us_west_subnet_3.id
+}
\ No newline at end of file
diff --git a/aws/aws_simple/vpc/subnets/us-west/subnets-west.tf b/aws/aws_simple/modules/vpc/subnets/us-west/subnets-west.tf
similarity index 86%
rename from aws/aws_simple/vpc/subnets/us-west/subnets-west.tf
rename to aws/aws_simple/modules/vpc/subnets/us-west/subnets-west.tf
index 07281c7..fc69355 100644
--- a/aws/aws_simple/vpc/subnets/us-west/subnets-west.tf
+++ b/aws/aws_simple/modules/vpc/subnets/us-west/subnets-west.tf
@@ -1,6 +1,5 @@
-
 resource "aws_subnet" "us_west_subnet_1" {
-    vpc_id     = aws_vpc.my_vpc.id
+    vpc_id     = var.vpc_id
     cidr_block = var.us_west_subnet_1_cidr_block
     availability_zone = var.us_west_subnet_1_az
     tags = {
@@ -9,7 +8,7 @@ resource "aws_subnet" "us_west_subnet_1" {
 }
 
 resource "aws_subnet" "us_west_subnet_2" {
-    vpc_id     = aws_vpc.my_vpc.id
+    vpc_id     = var.vpc_id
     cidr_block = var.us_west_subnet_2_cidr_block
     availability_zone = var.us_west_subnet_2_az
     tags = {
@@ -18,7 +17,7 @@ resource "aws_subnet" "us_west_subnet_2" {
 }
 
 resource "aws_subnet" "us_west_subnet_3" {
-    vpc_id     = aws_vpc.my_vpc.id
+    vpc_id     = var.vpc_id
     cidr_block = var.us_west_subnet_3_cidr_block
     availability_zone = var.us_west_subnet_3_az
     tags = {
diff --git a/aws/aws_simple/vpc/subnets/us-west/terraform.tfvars b/aws/aws_simple/modules/vpc/subnets/us-west/terraform.tfvars
similarity index 99%
rename from aws/aws_simple/vpc/subnets/us-west/terraform.tfvars
rename to aws/aws_simple/modules/vpc/subnets/us-west/terraform.tfvars
index b43cf99..d8d98e3 100644
--- a/aws/aws_simple/vpc/subnets/us-west/terraform.tfvars
+++ b/aws/aws_simple/modules/vpc/subnets/us-west/terraform.tfvars
@@ -7,4 +7,3 @@ us_west_subnet_2_az = "us-west-2b"
 
 us_west_subnet_3_cidr_block = "10.0.3.0/24"
 us_west_subnet_3_az = "us-west-2c"
-
diff --git a/aws/aws_simple/vpc/subnets/us-west/variables.tf b/aws/aws_simple/modules/vpc/subnets/us-west/variables.tf
similarity index 84%
rename from aws/aws_simple/vpc/subnets/us-west/variables.tf
rename to aws/aws_simple/modules/vpc/subnets/us-west/variables.tf
index 14cba45..2bc6502 100644
--- a/aws/aws_simple/vpc/subnets/us-west/variables.tf
+++ b/aws/aws_simple/modules/vpc/subnets/us-west/variables.tf
@@ -25,4 +25,9 @@ variable "us_west_subnet_3_az" {
 
 variable "region" {
     default = "us-west-2"
+}
+
+variable "vpc_id" {
+  description = "The ID of the VPC"
+  type        = string
 }
\ No newline at end of file
diff --git a/aws/aws_simple/modules/vpc/terraform.tfvars b/aws/aws_simple/modules/vpc/terraform.tfvars
new file mode 100644
index 0000000..009494e
--- /dev/null
+++ b/aws/aws_simple/modules/vpc/terraform.tfvars
@@ -0,0 +1,8 @@
+vpc_cidr_block = "10.0.0.0/16"
+
+us_east_subnet_1_id = ""
+us_east_subnet_2_id = ""
+us_east_subnet_3_id = ""
+us_west_subnet_1_id = ""
+us_west_subnet_2_id = ""
+us_west_subnet_3_id = ""
\ No newline at end of file
diff --git a/aws/aws_simple/modules/vpc/variables.tf b/aws/aws_simple/modules/vpc/variables.tf
new file mode 100644
index 0000000..248726f
--- /dev/null
+++ b/aws/aws_simple/modules/vpc/variables.tf
@@ -0,0 +1,33 @@
+variable "vpc_cidr_block" {
+    default = "10.0.0.0/16"
+}
+
+variable "us_east_subnet_1_id" {
+  description = "The ID of the first US East subnet"
+  type        = string
+}
+
+variable "us_east_subnet_2_id" {
+  description = "The ID of the second US East subnet"
+  type        = string
+}
+
+variable "us_east_subnet_3_id" {
+  description = "The ID of the third US East subnet"
+  type        = string
+}
+
+variable "us_west_subnet_1_id" {
+  description = "The ID of the first US West subnet"
+  type        = string
+}
+
+variable "us_west_subnet_2_id" {
+  description = "The ID of the second US West subnet"
+  type        = string
+}
+
+variable "us_west_subnet_3_id" {
+  description = "The ID of the third US West subnet"
+  type        = string
+}
\ No newline at end of file
diff --git a/aws/aws_simple/vpc/vpc.tf b/aws/aws_simple/modules/vpc/vpc.tf
similarity index 77%
rename from aws/aws_simple/vpc/vpc.tf
rename to aws/aws_simple/modules/vpc/vpc.tf
index 7072b79..b81b126 100644
--- a/aws/aws_simple/vpc/vpc.tf
+++ b/aws/aws_simple/modules/vpc/vpc.tf
@@ -1,24 +1,24 @@
 #Create aws vpc
-resource "aws_vpc" "my_vpc" {
+resource "aws_vpc" "vpc_us" {
     cidr_block = var.vpc_cidr_block
         tags = {
-        Name = "production-vpc"
+        Name = "vpc_us"
         Environment = "production"
     }
 }
 # Create aws internet gateway 
 resource "aws_internet_gateway" "my_igw" {
-    vpc_id = aws_vpc.my_vpc.id
+    vpc_id = aws_vpc.vpc_us.id
 }
 
 # Create route table entries for the west subnets
 resource "aws_route_table" "us_west_route_table" {
-    vpc_id = aws_vpc.my_vpc.id
+    vpc_id = aws_vpc.vpc_us.id
 }
 
 # Create route table entries for the east subnets
 resource "aws_route_table" "us_east_route_table" {
-    vpc_id = aws_vpc.my_vpc.id
+    vpc_id = aws_vpc.vpc_us.id
 }
 
 resource "aws_route" "us_west_route" {
@@ -34,32 +34,32 @@ resource "aws_route" "us_east_route" {
 }
 
 resource "aws_route_table_association" "us_west_subnet_1_association" {
-    subnet_id      = aws_subnet.us_west_subnet_1.id
+    subnet_id      = var.us_west_subnet_1_id
     route_table_id = aws_route_table.us_west_route_table.id
 }
 
 resource "aws_route_table_association" "us_west_subnet_2_association" {
-    subnet_id      = aws_subnet.us_west_subnet_2.id
+    subnet_id      = var.us_west_subnet_2_id
     route_table_id = aws_route_table.us_west_route_table.id
 }
 
 resource "aws_route_table_association" "us_west_subnet_3_association" {
-    subnet_id      = aws_subnet.us_west_subnet_3.id
+    subnet_id      = var.us_west_subnet_3_id
     route_table_id = aws_route_table.us_west_route_table.id
 }
 
 resource "aws_route_table_association" "us_east_subnet_1_association" {
-    subnet_id      = aws_subnet.us_east_subnet_1.id
+    subnet_id      = var.us_east_subnet_1_id
     route_table_id = aws_route_table.us_east_route_table.id
 }
 
 resource "aws_route_table_association" "us_east_subnet_2_association" {
-    subnet_id      = aws_subnet.us_east_subnet_2.id
+    subnet_id      = var.us_east_subnet_2_id
     route_table_id = aws_route_table.us_east_route_table.id
 }
 
 resource "aws_route_table_association" "us_east_subnet_3_association" {
-    subnet_id      = aws_subnet.us_east_subnet_3.id
+    subnet_id      = var.us_east_subnet_3_id
     route_table_id = aws_route_table.us_east_route_table.id
 }
 
diff --git a/aws/aws_simple/terraform.tfvars b/aws/aws_simple/terraform.tfvars
index 0c441f7..7bfa3a2 100644
--- a/aws/aws_simple/terraform.tfvars
+++ b/aws/aws_simple/terraform.tfvars
@@ -1,3 +1,3 @@
-aws_secret_key = ""
+aws_secret_key =  ""
 aws_access_key = ""
-aws_region = "us-west-2"
\ No newline at end of file
+aws_region = "us-west-2"
diff --git a/aws/aws_simple/vpc/terraform.tfvars b/aws/aws_simple/vpc/terraform.tfvars
deleted file mode 100644
index d0f2291..0000000
--- a/aws/aws_simple/vpc/terraform.tfvars
+++ /dev/null
@@ -1,2 +0,0 @@
-vpc_cidr_block = "10.0.0.0/16"
-
diff --git a/aws/aws_simple/vpc/variables.tf b/aws/aws_simple/vpc/variables.tf
deleted file mode 100644
index f8b2145..0000000
--- a/aws/aws_simple/vpc/variables.tf
+++ /dev/null
@@ -1,4 +0,0 @@
-variable "vpc_cidr_block" {
-    default = "10.0.0.0/16"
-}
-