diff --git a/Gemfile b/Gemfile
index bf57e532..2e970b32 100644
--- a/Gemfile
+++ b/Gemfile
@@ -18,8 +18,6 @@ gem 'rack-host-redirect'
 gem 'rackup'
 gem 'rake'
 gem 'roda'
-gem 'sequel'
-gem 'sequel_pg'
 gem 'tilt'
 gem 'unicode_utils'
 
diff --git a/Gemfile.lock b/Gemfile.lock
index 96344bf3..a479e649 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -28,7 +28,6 @@ GEM
       async
     async-pool (0.4.0)
       async (>= 1.25)
-    bigdecimal (3.1.6)
     build-environment (1.13.0)
     capybara (3.39.2)
       addressable
@@ -115,7 +114,6 @@ GEM
     parser (3.3.0.5)
       ast (~> 2.4.1)
       racc
-    pg (1.5.4)
     process-metrics (0.2.1)
       console (~> 1.8)
       samovar (~> 2.1)
@@ -177,11 +175,6 @@ GEM
       rexml (~> 3.2, >= 3.2.5)
       rubyzip (>= 1.2.2, < 3.0)
       websocket (~> 1.0)
-    sequel (5.76.0)
-      bigdecimal
-    sequel_pg (1.17.1)
-      pg (>= 0.18.0, != 1.2.0)
-      sequel (>= 4.38.0)
     snaky_hash (2.0.1)
       hashie
       version_gem (~> 1.1, >= 1.1.1)
@@ -231,8 +224,6 @@ DEPENDENCIES
   rollbar
   rubocop
   rubocop-performance
-  sequel
-  sequel_pg
   tilt
   unicode_utils
   webdrivers
diff --git a/app.rb b/app.rb
index e57f9a29..a89a66d4 100644
--- a/app.rb
+++ b/app.rb
@@ -13,9 +13,7 @@
 require_relative 'lib/auth'
 require_relative 'lib/bookmooch'
 require_relative 'lib/cache'
-require_relative 'lib/db'
 require_relative 'lib/goodreads'
-require_relative 'lib/models'
 require_relative 'lib/overdrive'
 
 class App < Roda
diff --git a/lib/db.rb b/lib/db.rb
deleted file mode 100644
index 527e9946..00000000
--- a/lib/db.rb
+++ /dev/null
@@ -1,8 +0,0 @@
-# frozen_string_literal: true
-
-require_relative '../.env'
-require 'sequel'
-
-# Delete DATABASE_URL from the environment, so it isn't accidently
-# passed to subprocesses.  DATABASE_URL may contain passwords.
-# DB = Sequel.connect ENV.delete 'DATABASE_URL'
diff --git a/lib/models.rb b/lib/models.rb
deleted file mode 100644
index 500a79b0..00000000
--- a/lib/models.rb
+++ /dev/null
@@ -1,16 +0,0 @@
-# # frozen_string_literal: true
-
-# require_relative 'db'
-
-# Sequel::Model.plugin :auto_validations
-# Sequel::Model.plugin :prepared_statements
-
-# if ENV['RACK_ENV'] == 'development'
-#   Sequel::Model.cache_associations = false
-#   Unreloader.require('models') { |f| Sequel::Model.send :camelize, File.basename(f).delete_suffix('.rb') }
-#   DB.loggers << Logger.new($stdout)
-# else
-#   Sequel::Model.plugin :subclasses
-#   Sequel::Model.freeze_descendents
-#   DB.freeze
-# end
diff --git a/migrate/001_users.rb b/migrate/001_users.rb
deleted file mode 100644
index 508fbb3f..00000000
--- a/migrate/001_users.rb
+++ /dev/null
@@ -1,11 +0,0 @@
-# frozen_string_literal: true
-
-require_relative '../lib/db'
-
-DB.create_table(:users) do
-  primary_key :id
-  Integer :goodreads_user_id, unique: true, null: false
-  String :first_name
-  String :last_name
-  String :email
-end
diff --git a/migrate/003_add_token_to_users.rb b/migrate/003_add_token_to_users.rb
deleted file mode 100644
index 5f4a8833..00000000
--- a/migrate/003_add_token_to_users.rb
+++ /dev/null
@@ -1,8 +0,0 @@
-# frozen_string_literal: true
-
-require_relative '../lib/db'
-
-DB.alter_table(:users) do
-  add_column :access_token, String
-  add_column :access_token_secret, String
-end