diff --git a/nat gateway reference.tf b/nat gateway reference.tf
deleted file mode 100644
index 69d7f49..0000000
--- a/nat gateway reference.tf	
+++ /dev/null
@@ -1,96 +0,0 @@
-# allocate elastic ip. this eip will be used for the nat-gateway in the public subnet az1 
-resource "aws_eip" "eip_for_nat_gateway_az1" {
-  vpc    = 
-
-  tags   = {
-    Name = 
-  }
-}
-
-# allocate elastic ip. this eip will be used for the nat-gateway in the public subnet az2
-resource "aws_eip" "eip_for_nat_gateway_az2" {
-  vpc    = 
-
-  tags   = {
-    Name = 
-  }
-}
-
-# create nat gateway in public subnet az1
-resource "aws_nat_gateway" "nat_gateway_az1" {
-  allocation_id = 
-  subnet_id     = 
-
-  tags   = {
-    Name = 
-  }
-
-  # to ensure proper ordering, it is recommended to add an explicit dependency
-  depends_on = 
-}
-
-# create nat gateway in public subnet az2
-resource "aws_nat_gateway" "nat_gateway_az2" {
-  allocation_id = 
-  subnet_id     = 
-
-  tags   = {
-    Name = 
-  }
-
-  # to ensure proper ordering, it is recommended to add an explicit dependency
-  # on the internet gateway for the vpc.
-  depends_on = 
-}
-
-# create private route table az1 and add route through nat gateway az1
-resource "aws_route_table" "private_route_table_az1" {
-  vpc_id            = 
-
-  route {
-    cidr_block      = 
-    nat_gateway_id  = 
-  }
-
-  tags   = {
-    Name = 
-  }
-}
-
-# associate private app subnet az1 with private route table az1
-resource "aws_route_table_association" "private_app_subnet_az1_route_table_az1_association" {
-  subnet_id         = 
-  route_table_id    = 
-}
-
-# associate private data subnet az1 with private route table az1
-resource "aws_route_table_association" "private_data_subnet_az1_route_table_az1_association" {
-  subnet_id         = 
-  route_table_id    = 
-}
-
-# create private route table az2 and add route through nat gateway az2
-resource "aws_route_table" "private_route_table_az2" {
-  vpc_id            = 
-
-  route {
-    cidr_block      = 
-    nat_gateway_id  = 
-  }
-
-  tags   = {
-    Name = 
-  }
-}
-
-# associate private app subnet az2 with private route table az2
-resource "aws_route_table_association" "private_app_subnet_az2_route_table_az2_association" {
-  subnet_id         = 
-  route_table_id    = 
-}
-
-# associate private data subnet az2 with private route table az2
-resource "aws_route_table_association" "private_data_subnet_az2_route_table_az2_association" {
-  subnet_id         = 
-  route_table_id    = 
-}
\ No newline at end of file
diff --git a/vpc reference.tf b/vpc reference.tf
deleted file mode 100644
index dbcf838..0000000
--- a/vpc reference.tf	
+++ /dev/null
@@ -1,120 +0,0 @@
-# create vpc
-resource "aws_vpc" "vpc" {
-  cidr_block              = 
-  instance_tenancy        = 
-  enable_dns_hostnames    = true
-
-  tags      = {
-    Name    = "${}-vpc"
-  }
-}
-
-# create internet gateway and attach it to vpc
-resource "aws_internet_gateway" "internet_gateway" {
-  vpc_id    = 
-
-  tags      = {
-    Name    = "${}-igw"
-  }
-}
-
-# use data source to get all avalablility zones in region
-data "aws_availability_zones" "available_zones" {}
-
-# create public subnet az1
-resource "aws_subnet" "public_subnet_az1" {
-  vpc_id                  = 
-  cidr_block              = 
-  availability_zone       = 
-  map_public_ip_on_launch = 
-
-  tags      = {
-    Name    = 
-  }
-}
-
-# create public subnet az2
-resource "aws_subnet" "public_subnet_az2" {
-  vpc_id                  = 
-  cidr_block              = 
-  availability_zone       = 
-  map_public_ip_on_launch = 
-
-  tags      = {
-    Name    = 
-  }
-}
-
-# create route table and add public route
-resource "aws_route_table" "public_route_table" {
-  vpc_id       = 
-
-  route {
-    cidr_block = 
-    gateway_id = 
-  }
-
-  tags       = {
-    Name     = 
-  }
-}
-
-# associate public subnet az1 to "public route table"
-resource "aws_route_table_association" "public_subnet_az1_route_table_association" {
-  subnet_id           = 
-  route_table_id      = 
-}
-
-# associate public subnet az2 to "public route table"
-resource "aws_route_table_association" "public_subnet_az2_route_table_association" {
-  subnet_id           = 
-  route_table_id      = 
-}
-
-# create private app subnet az1
-resource "aws_subnet" "private_app_subnet_az1" {
-  vpc_id                   = 
-  cidr_block               = 
-  availability_zone        = 
-  map_public_ip_on_launch  = 
-
-  tags      = {
-    Name    = 
-  }
-}
-
-# create private app subnet az2
-resource "aws_subnet" "private_app_subnet_az2" {
-  vpc_id                   = 
-  cidr_block               = 
-  availability_zone        = 
-  map_public_ip_on_launch  = 
-
-  tags      = {
-    Name    = 
-  }
-}
-
-# create private data subnet az1
-resource "aws_subnet" "private_data_subnet_az1" {
-  vpc_id                   = 
-  cidr_block               = 
-  availability_zone        = 
-  map_public_ip_on_launch  = 
-
-  tags      = {
-    Name    = 
-  }
-}
-
-# create private data subnet az2
-resource "aws_subnet" "private_data_subnet_az2" {
-  vpc_id                   = 
-  cidr_block               = 
-  availability_zone        = 
-  map_public_ip_on_launch  = 
-
-  tags      = {
-    Name    = 
-  }
-}
\ No newline at end of file