diff --git a/demo_functionality.rb b/demo_functionality.rb
deleted file mode 100755
index 0d6e8f3..0000000
--- a/demo_functionality.rb
+++ /dev/null
@@ -1,188 +0,0 @@
-#!/usr/bin/env ruby
-
-require "bundler/setup"
-require_relative "lib/has_aux_table"
-Bundler.require(:default, :development)
-
-ActiveRecord::Base.establish_connection(
-  adapter: "sqlite3",
-  database: ":memory:"
-)
-# ActiveRecord::Base.logger = Logger.new(STDOUT)
-
-ActiveRecord::Schema.define do
-  # Create base table and aux table in the same block
-  create_base_table :users do |t|
-    t.create_aux :fa do |t|
-      t.string :username, index: true
-      t.string :url_name, index: true
-    end
-
-    t.timestamps
-  end
-
-  # Change base table later to add an aux table
-  change_base_table :users do |t|
-    t.create_aux :e621 do |t|
-      t.integer :e621_id, index: true
-      t.string :username, index: true
-    end
-  end
-
-  create_base_table :posts do |t|
-    t.timestamp :posted_at, index: true
-    t.timestamps
-  end
-
-  # Directly create aux tables
-  create_aux_table :posts, :fa do |t|
-    t.references :creator,
-                 foreign_key: {
-                   to_table: :users_fa_aux,
-                   primary_key: :base_table_id
-                 }
-    t.integer :category
-    t.integer :fa_id, index: true
-    t.string :title
-    t.string :species
-  end
-
-  create_aux_table :posts, :e621 do |t|
-    t.references :creator,
-                 foreign_key: {
-                   to_table: :users_e621_aux,
-                   primary_key: :base_table_id
-                 }
-    t.integer :e621_id, index: true
-    t.string :md5, index: true
-  end
-
-  create_table :user_post_fav_joins, id: false do |t|
-    t.references :user, null: false, foreign_key: { to_table: :users }
-    t.references :post, null: false, foreign_key: { to_table: :posts }
-    t.timestamps
-  end
-end
-
-class UserPostFavJoin < ActiveRecord::Base
-  belongs_to :user
-  belongs_to :post
-end
-
-class User < ActiveRecord::Base
-  include HasAuxTable
-  has_many :user_post_fav_joins, dependent: :destroy
-  has_many :favorite_posts, through: :user_post_fav_joins, source: :post
-  has_many :created_posts, class_name: "Post", inverse_of: :creator
-end
-
-class FaUser < User
-  aux_table :fa
-  validates :url_name, presence: true
-  has_many :created_posts, class_name: "FaPost", inverse_of: :creator
-end
-
-class E621User < User
-  aux_table :e621
-  validates :username, presence: true
-  has_many :created_posts, class_name: "E621Post", inverse_of: :creator
-end
-
-class Post < ActiveRecord::Base
-  include HasAuxTable
-  has_many :user_post_fav_joins, dependent: :destroy
-  has_many :favoriting_users, through: :user_post_fav_joins, source: :user
-  validates_presence_of :posted_at
-end
-
-class FaPost < Post
-  aux_table :fa
-  belongs_to :creator, class_name: "FaUser", inverse_of: :created_posts
-  validates :fa_id, presence: true, uniqueness: true
-  validates :title, presence: true
-  enum :category, { image: 0, video: 1, text: 2 }
-end
-
-class E621Post < Post
-  aux_table :e621
-  validates :e621_id, presence: true
-  belongs_to :creator, class_name: "E621User", inverse_of: :created_posts
-end
-
-fa_user = FaUser.create!(username: "Alice", url_name: "alice")
-fa_user_id = fa_user.id
-raise if fa_user.id.nil?
-raise unless fa_user.persisted?
-raise unless fa_user.username == "Alice"
-raise unless fa_user.url_name == "alice"
-
-fa_user.reload
-
-fa_user_found = FaUser.find_by(username: "Alice")
-raise unless fa_user_found.id == fa_user_id
-raise unless fa_user_found.username == "Alice"
-raise unless fa_user_found.url_name == "alice"
-
-fa_user_found = FaUser.find(fa_user_id)
-raise unless fa_user_found.id == fa_user_id
-raise unless fa_user_found.username == "Alice"
-raise unless fa_user_found.url_name == "alice"
-
-fa_post =
-  fa_user.created_posts.create!(
-    fa_id: 12_345,
-    title: "Test Post",
-    species: "Cat",
-    posted_at: 1.day.ago
-  )
-raise unless fa_post.persisted?
-raise unless fa_post.creator == fa_user
-raise unless fa_post.creator_id == fa_user.id
-
-fa_posts_all = FaPost.all.to_a
-raise unless fa_posts_all.size == 1
-raise unless fa_posts_all.first.creator == fa_user
-raise unless fa_posts_all.first.creator_id == fa_user.id
-
-raise unless FaPost.exists?(fa_id: 12_345)
-raise if FaPost.exists?(fa_id: 12_346)
-
-posts = fa_user.created_posts
-fa_post2 = posts.find_by(fa_id: 12_345)
-raise unless fa_post2.id == fa_post.id
-
-e621_user = E621User.create!(username: "bob", e621_id: 67_890)
-raise unless e621_user.persisted?
-raise unless e621_user.username == "bob"
-raise unless e621_user.e621_id == 67_890
-
-e621_user_found = E621User.find_by(username: "bob")
-raise unless e621_user_found.id == e621_user.id
-raise unless e621_user_found.username == "bob"
-raise unless e621_user_found.e621_id == 67_890
-
-e621_post =
-  e621_user.created_posts.create!(
-    e621_id: 102_938,
-    md5: "DEADBEEF" * 4,
-    posted_at: 2.weeks.ago
-  )
-raise unless e621_post.persisted?
-raise unless e621_post.creator == e621_user
-raise unless e621_post.creator_id == e621_user.id
-
-e621_user.favorite_posts << e621_post
-raise unless e621_user.favorite_posts.size == 1
-raise unless e621_user.favorite_posts.first == e621_post
-raise unless e621_user.favorite_posts.first.id == e621_post.id
-
-e621_fav_joins = e621_user.user_post_fav_joins
-raise unless e621_fav_joins.size == 1
-raise unless e621_fav_joins.first.user == e621_user
-raise unless e621_fav_joins.first.post == e621_post
-raise unless e621_fav_joins.first.post_id == e621_post.id
-
-e621_posts_all = E621Post.all.to_a
-raise unless e621_posts_all.size == 1
-raise unless e621_posts_all.first.creator == e621_user
-raise unless e621_posts_all.first.creator_id == e621_user.id