diff --git a/README.md b/README.md
index 73602db219..b768520756 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 # Active Storage
 
-Active Storage makes it simple to upload and reference files in cloud sites, like Amazon S3 or Google Cloud Storage,
-and attach those files to Active Records. It also provides a disk site for testing or local deployments, but the
+Active Storage makes it simple to upload and reference files in cloud services, like Amazon S3 or Google Cloud Storage,
+and attach those files to Active Records. It also provides a disk service for testing or local deployments, but the
 focus is on cloud storage.
 
 ## Example
@@ -55,7 +55,7 @@ end
 
 ## Configuration
 
-Add `require "active_storage"` to config/application.rb and create a `config/initializers/active_storage_sites.rb` with the following:
+Add `require "active_storage"` to config/application.rb and create a `config/initializers/active_storage_services.rb` with the following:
 
 ```ruby
   
@@ -65,10 +65,10 @@ Add `require "active_storage"` to config/application.rb and create a `config/ini
 
 - Strip Download of its resposibilities and delete class
 - Proper logging
-- Convert MirrorSite to use threading
+- Convert MirrorService to use threading
 - Read metadata via Marcel?
 - Copy over migration to app via rake task
-- Add Migrator to copy/move between sites
+- Add Migrator to copy/move between services
 - Explore direct uploads to cloud
 - Extract VerifiedKeyWithExpiration into Rails as a feature of MessageVerifier
 
diff --git a/lib/active_storage.rb b/lib/active_storage.rb
index e87eb8a506..f72fe0d017 100644
--- a/lib/active_storage.rb
+++ b/lib/active_storage.rb
@@ -5,5 +5,5 @@ module ActiveStorage
   extend ActiveSupport::Autoload
 
   autoload :Blob
-  autoload :Site
+  autoload :Service
 end
diff --git a/lib/active_storage/blob.rb b/lib/active_storage/blob.rb
index edf57b5c78..4ce344e2a1 100644
--- a/lib/active_storage/blob.rb
+++ b/lib/active_storage/blob.rb
@@ -1,4 +1,4 @@
-require "active_storage/site"
+require "active_storage/service"
 require "active_storage/filename"
 require "active_storage/purge_job"
 
@@ -9,7 +9,7 @@ class ActiveStorage::Blob < ActiveRecord::Base
   has_secure_token :key
   store :metadata, coder: JSON
 
-  class_attribute :site
+  class_attribute :service
 
   class << self
     def build_after_upload(io:, filename:, content_type: nil, metadata: nil)
@@ -37,24 +37,24 @@ class ActiveStorage::Blob < ActiveRecord::Base
   end
 
   def url(expires_in: 5.minutes, disposition: :inline)
-    site.url key, expires_in: expires_in, disposition: disposition, filename: filename
+    service.url key, expires_in: expires_in, disposition: disposition, filename: filename
   end
 
 
   def upload(io)
-    site.upload(key, io)
+    service.upload(key, io)
 
-    self.checksum  = site.checksum(key)
-    self.byte_size = site.byte_size(key)
+    self.checksum  = service.checksum(key)
+    self.byte_size = service.byte_size(key)
   end
 
   def download
-    site.download key
+    service.download key
   end
 
 
   def delete
-    site.delete key
+    service.delete key
   end
 
   def purge
diff --git a/lib/active_storage/config/sites.yml b/lib/active_storage/config/sites.yml
index 43bc77fbf9..317ef2b9b7 100644
--- a/lib/active_storage/config/sites.yml
+++ b/lib/active_storage/config/sites.yml
@@ -1,25 +1,25 @@
 # Configuration should be something like this:
 #
 # config/environments/development.rb
-#   config.active_storage.site = :local
+#   config.active_storage.service = :local
 #
 # config/environments/production.rb
-#   config.active_storage.site = :amazon
+#   config.active_storage.service = :amazon
 local:
-  site: Disk
+  service: Disk
   root: <%%= File.join(Dir.tmpdir, "active_storage") %>
 
 amazon:
-  site: S3
+  service: S3
   access_key_id: <%%= Rails.application.secrets.aws[:access_key_id] %>
   secret_access_key: <%%= Rails.application.secrets.aws[:secret_access_key] %>
   region: us-east-1
   bucket: <%= Rails.application.class.name.remove(/::Application$/).underscore %>
 
 google:
-  site: GCS
+  service: GCS
 
 mirror:
-  site: Mirror
+  service: Mirror
   primary: amazon
   secondaries: google
diff --git a/lib/active_storage/site.rb b/lib/active_storage/service.rb
similarity index 58%
rename from lib/active_storage/site.rb
rename to lib/active_storage/service.rb
index b3b0221c63..038b6ccb53 100644
--- a/lib/active_storage/site.rb
+++ b/lib/active_storage/service.rb
@@ -1,11 +1,11 @@
-# Abstract class serving as an interface for concrete sites.
-class ActiveStorage::Site
-  def self.configure(site, **options)
+# Abstract class serving as an interface for concrete services.
+class ActiveStorage::Service
+  def self.configure(service, **options)
     begin
-      require "active_storage/site/#{site.to_s.downcase}_site"
-      ActiveStorage::Site.const_get(:"#{site}Site").new(**options)
+      require "active_storage/service/#{service.to_s.downcase}_service"
+      ActiveStorage::Service.const_get(:"#{service}Service").new(**options)
     rescue LoadError => e
-      puts "Couldn't configure site: #{site} (#{e.message})"
+      puts "Couldn't configure service: #{service} (#{e.message})"
     end
   end
 
diff --git a/lib/active_storage/site/disk_site.rb b/lib/active_storage/service/disk_service.rb
similarity index 95%
rename from lib/active_storage/site/disk_site.rb
rename to lib/active_storage/service/disk_service.rb
index 2ff0b22fae..6977b5b82e 100644
--- a/lib/active_storage/site/disk_site.rb
+++ b/lib/active_storage/service/disk_service.rb
@@ -1,7 +1,7 @@
 require "fileutils"
 require "pathname"
 
-class ActiveStorage::Site::DiskSite < ActiveStorage::Site
+class ActiveStorage::Service::DiskService < ActiveStorage::Service
   attr_reader :root
 
   def initialize(root:)
diff --git a/lib/active_storage/site/gcs_site.rb b/lib/active_storage/service/gcs_service.rb
similarity index 93%
rename from lib/active_storage/site/gcs_site.rb
rename to lib/active_storage/service/gcs_service.rb
index bf681ca6a2..18ec1de133 100644
--- a/lib/active_storage/site/gcs_site.rb
+++ b/lib/active_storage/service/gcs_service.rb
@@ -1,7 +1,7 @@
 require "google/cloud/storage"
 require "active_support/core_ext/object/to_query"
 
-class ActiveStorage::Site::GCSSite < ActiveStorage::Site
+class ActiveStorage::Service::GCSService < ActiveStorage::Service
   attr_reader :client, :bucket
 
   def initialize(project:, keyfile:, bucket:)
diff --git a/lib/active_storage/service/mirror_service.rb b/lib/active_storage/service/mirror_service.rb
new file mode 100644
index 0000000000..2a3518e59e
--- /dev/null
+++ b/lib/active_storage/service/mirror_service.rb
@@ -0,0 +1,51 @@
+class ActiveStorage::Service::MirrorService < ActiveStorage::Service
+  attr_reader :services
+
+  def initialize(services:)
+    @services = services
+  end
+
+  def upload(key, io)
+    services.collect do |service|
+      service.upload key, io
+      io.rewind
+    end
+  end
+
+  def download(key)
+    services.detect { |service| service.exist?(key) }.download(key)
+  end
+
+  def delete(key)
+    perform_across_services :delete, key
+  end
+
+  def exist?(key)
+    perform_across_services(:exist?, key).any?
+  end
+
+
+  def url(key, **options)
+    primary_service.url(key, **options)
+  end
+
+  def byte_size(key)
+    primary_service.byte_size(key)
+  end
+
+  def checksum(key)
+    primary_service.checksum(key)
+  end
+
+  private
+    def primary_service
+      services.first
+    end
+
+    def perform_across_services(method, *args)
+      # FIXME: Convert to be threaded
+      services.collect do |service|
+        service.public_send method, *args
+      end
+    end
+end
diff --git a/lib/active_storage/site/s3_site.rb b/lib/active_storage/service/s3_service.rb
similarity index 95%
rename from lib/active_storage/site/s3_site.rb
rename to lib/active_storage/service/s3_service.rb
index 65dad37cfe..811321a172 100644
--- a/lib/active_storage/site/s3_site.rb
+++ b/lib/active_storage/service/s3_service.rb
@@ -1,6 +1,6 @@
 require "aws-sdk"
 
-class ActiveStorage::Site::S3Site < ActiveStorage::Site
+class ActiveStorage::Service::S3Service < ActiveStorage::Service
   attr_reader :client, :bucket
 
   def initialize(access_key_id:, secret_access_key:, region:, bucket:)
diff --git a/lib/active_storage/site/mirror_site.rb b/lib/active_storage/site/mirror_site.rb
deleted file mode 100644
index ba3ef0ef0e..0000000000
--- a/lib/active_storage/site/mirror_site.rb
+++ /dev/null
@@ -1,51 +0,0 @@
-class ActiveStorage::Site::MirrorSite < ActiveStorage::Site
-  attr_reader :sites
-
-  def initialize(sites:)
-    @sites = sites
-  end
-
-  def upload(key, io)
-    sites.collect do |site|
-      site.upload key, io
-      io.rewind
-    end
-  end
-
-  def download(key)
-    sites.detect { |site| site.exist?(key) }.download(key)
-  end
-
-  def delete(key)
-    perform_across_sites :delete, key
-  end
-
-  def exist?(key)
-    perform_across_sites(:exist?, key).any?
-  end
-
-
-  def url(key, **options)
-    primary_site.url(key, **options)
-  end
-
-  def byte_size(key)
-    primary_site.byte_size(key)
-  end
-
-  def checksum(key)
-    primary_site.checksum(key)
-  end
-
-  private
-    def primary_site
-      sites.first
-    end
-
-    def perform_across_sites(method, *args)
-      # FIXME: Convert to be threaded
-      sites.collect do |site|
-        site.public_send method, *args
-      end
-    end
-end
diff --git a/test/attachments_test.rb b/test/attachments_test.rb
index 6e25002bb1..33bbff716d 100644
--- a/test/attachments_test.rb
+++ b/test/attachments_test.rb
@@ -36,7 +36,7 @@ class ActiveStorage::AttachmentsTest < ActiveSupport::TestCase
 
     @user.avatar.purge
     assert_not @user.avatar.attached?
-    assert_not ActiveStorage::Blob.site.exist?(avatar_key)
+    assert_not ActiveStorage::Blob.service.exist?(avatar_key)
   end
 
   test "purge attached blob later when the record is destroyed" do
@@ -47,7 +47,7 @@ class ActiveStorage::AttachmentsTest < ActiveSupport::TestCase
       @user.destroy
 
       assert_nil ActiveStorage::Blob.find_by(key: avatar_key)
-      assert_not ActiveStorage::Blob.site.exist?(avatar_key)
+      assert_not ActiveStorage::Blob.service.exist?(avatar_key)
     end
   end
 
@@ -74,8 +74,8 @@ class ActiveStorage::AttachmentsTest < ActiveSupport::TestCase
     
     @user.highlights.purge
     assert_not @user.highlights.attached?
-    assert_not ActiveStorage::Blob.site.exist?(highlight_keys.first)
-    assert_not ActiveStorage::Blob.site.exist?(highlight_keys.second)
+    assert_not ActiveStorage::Blob.service.exist?(highlight_keys.first)
+    assert_not ActiveStorage::Blob.service.exist?(highlight_keys.second)
   end
 
   test "purge attached blobs later when the record is destroyed" do
@@ -86,10 +86,10 @@ class ActiveStorage::AttachmentsTest < ActiveSupport::TestCase
       @user.destroy
 
       assert_nil ActiveStorage::Blob.find_by(key: highlight_keys.first)
-      assert_not ActiveStorage::Blob.site.exist?(highlight_keys.first)
+      assert_not ActiveStorage::Blob.service.exist?(highlight_keys.first)
 
       assert_nil ActiveStorage::Blob.find_by(key: highlight_keys.second)
-      assert_not ActiveStorage::Blob.site.exist?(highlight_keys.second)
+      assert_not ActiveStorage::Blob.service.exist?(highlight_keys.second)
     end
   end
 end
diff --git a/test/site/.gitignore b/test/service/.gitignore
similarity index 100%
rename from test/site/.gitignore
rename to test/service/.gitignore
diff --git a/test/site/configurations-example.yml b/test/service/configurations-example.yml
similarity index 100%
rename from test/site/configurations-example.yml
rename to test/service/configurations-example.yml
diff --git a/test/service/disk_service_test.rb b/test/service/disk_service_test.rb
new file mode 100644
index 0000000000..5dd7cff303
--- /dev/null
+++ b/test/service/disk_service_test.rb
@@ -0,0 +1,8 @@
+require "tmpdir"
+require "service/shared_service_tests"
+
+class ActiveStorage::Service::DiskServiceTest < ActiveSupport::TestCase
+  SERVICE = ActiveStorage::Service.configure(:Disk, root: File.join(Dir.tmpdir, "active_storage"))
+
+  include ActiveStorage::Service::SharedServiceTests
+end
diff --git a/test/service/gcs_service_test.rb b/test/service/gcs_service_test.rb
new file mode 100644
index 0000000000..42f9cd3061
--- /dev/null
+++ b/test/service/gcs_service_test.rb
@@ -0,0 +1,20 @@
+require "service/shared_service_tests"
+
+if SERVICE_CONFIGURATIONS[:gcs]
+  class ActiveStorage::Service::GCSServiceTest < ActiveSupport::TestCase
+    SERVICE = ActiveStorage::Service.configure(:GCS, SERVICE_CONFIGURATIONS[:gcs])
+
+    include ActiveStorage::Service::SharedServiceTests
+
+    test "signed URL generation" do
+      travel_to Time.now do
+        url = SERVICE.bucket.signed_url(FIXTURE_KEY, expires: 120) +
+          "&response-content-disposition=inline%3B+filename%3D%22test.txt%22"
+
+        assert_equal url, @service.url(FIXTURE_KEY, expires_in: 2.minutes, disposition: :inline, filename: "test.txt")
+      end
+    end
+  end
+else
+  puts "Skipping GCS Service tests because no GCS configuration was supplied"
+end
diff --git a/test/service/mirror_service_test.rb b/test/service/mirror_service_test.rb
new file mode 100644
index 0000000000..3b22c4f049
--- /dev/null
+++ b/test/service/mirror_service_test.rb
@@ -0,0 +1,30 @@
+require "tmpdir"
+require "service/shared_service_tests"
+
+class ActiveStorage::Service::MirrorServiceTest < ActiveSupport::TestCase
+  PRIMARY_DISK_SERVICE   = ActiveStorage::Service.configure(:Disk, root: File.join(Dir.tmpdir, "active_storage"))
+  SECONDARY_DISK_SERVICE = ActiveStorage::Service.configure(:Disk, root: File.join(Dir.tmpdir, "active_storage_mirror"))
+
+  SERVICE = ActiveStorage::Service.configure :Mirror, services: [ PRIMARY_DISK_SERVICE, SECONDARY_DISK_SERVICE ]
+
+  include ActiveStorage::Service::SharedServiceTests
+
+  test "uploading was done to all services" do
+    begin
+      key  = SecureRandom.base58(24)
+      data = "Something else entirely!"
+      io   = StringIO.new(data)
+      @service.upload(key, io)
+
+      assert_equal data, PRIMARY_DISK_SERVICE.download(key)
+      assert_equal data, SECONDARY_DISK_SERVICE.download(key)
+    ensure
+      @service.delete key
+    end
+  end
+
+  test "existing in all services" do
+    assert PRIMARY_DISK_SERVICE.exist?(FIXTURE_KEY)
+    assert SECONDARY_DISK_SERVICE.exist?(FIXTURE_KEY)
+  end
+end
diff --git a/test/service/s3_service_test.rb b/test/service/s3_service_test.rb
new file mode 100644
index 0000000000..604dfd6c60
--- /dev/null
+++ b/test/service/s3_service_test.rb
@@ -0,0 +1,11 @@
+require "service/shared_service_tests"
+
+if SERVICE_CONFIGURATIONS[:s3]
+  class ActiveStorage::Service::S3ServiceTest < ActiveSupport::TestCase
+    SERVICE = ActiveStorage::Service.configure(:S3, SERVICE_CONFIGURATIONS[:s3])
+
+    include ActiveStorage::Service::SharedServiceTests
+  end
+else
+  puts "Skipping S3 Service tests because no S3 configuration was supplied"
+end
diff --git a/test/service/shared_service_tests.rb b/test/service/shared_service_tests.rb
new file mode 100644
index 0000000000..16672ab49b
--- /dev/null
+++ b/test/service/shared_service_tests.rb
@@ -0,0 +1,63 @@
+require "test_helper"
+require "active_support/core_ext/securerandom"
+require "yaml"
+
+SERVICE_CONFIGURATIONS = begin
+  YAML.load_file(File.expand_path("../configurations.yml", __FILE__)).deep_symbolize_keys 
+rescue Errno::ENOENT
+  puts "Missing service configuration file in test/services/configurations.yml"
+end
+
+module ActiveStorage::Service::SharedServiceTests
+  extend ActiveSupport::Concern
+
+  FIXTURE_KEY  = SecureRandom.base58(24)
+  FIXTURE_FILE = StringIO.new("Hello world!")
+
+  included do
+    setup do
+      @service = self.class.const_get(:SERVICE)
+      @service.upload FIXTURE_KEY, FIXTURE_FILE
+      FIXTURE_FILE.rewind
+    end
+
+    teardown do
+      @service.delete FIXTURE_KEY
+      FIXTURE_FILE.rewind
+    end
+
+    test "uploading" do
+      begin
+        key  = SecureRandom.base58(24)
+        data = "Something else entirely!"
+        @service.upload(key, StringIO.new(data))
+
+        assert_equal data, @service.download(key)
+      ensure
+        @service.delete key
+      end
+    end
+
+    test "downloading" do
+      assert_equal FIXTURE_FILE.read, @service.download(FIXTURE_KEY)
+    end
+
+    test "existing" do
+      assert @service.exist?(FIXTURE_KEY)
+      assert_not @service.exist?(FIXTURE_KEY + "nonsense")
+    end
+
+    test "deleting" do
+      @service.delete FIXTURE_KEY
+      assert_not @service.exist?(FIXTURE_KEY)
+    end
+
+    test "sizing" do
+      assert_equal FIXTURE_FILE.size, @service.byte_size(FIXTURE_KEY)
+    end
+  
+    test "checksumming" do
+      assert_equal Digest::MD5.hexdigest(FIXTURE_FILE.read), @service.checksum(FIXTURE_KEY)
+    end
+  end
+end
diff --git a/test/site/disk_site_test.rb b/test/site/disk_site_test.rb
deleted file mode 100644
index a04414ea68..0000000000
--- a/test/site/disk_site_test.rb
+++ /dev/null
@@ -1,8 +0,0 @@
-require "tmpdir"
-require "site/shared_site_tests"
-
-class ActiveStorage::Site::DiskSiteTest < ActiveSupport::TestCase
-  SITE = ActiveStorage::Site.configure(:Disk, root: File.join(Dir.tmpdir, "active_storage"))
-
-  include ActiveStorage::Site::SharedSiteTests
-end
diff --git a/test/site/gcs_site_test.rb b/test/site/gcs_site_test.rb
deleted file mode 100644
index 98b1a3d767..0000000000
--- a/test/site/gcs_site_test.rb
+++ /dev/null
@@ -1,20 +0,0 @@
-require "site/shared_site_tests"
-
-if SITE_CONFIGURATIONS[:gcs]
-  class ActiveStorage::Site::GCSSiteTest < ActiveSupport::TestCase
-    SITE = ActiveStorage::Site.configure(:GCS, SITE_CONFIGURATIONS[:gcs])
-
-    include ActiveStorage::Site::SharedSiteTests
-
-    test "signed URL generation" do
-      travel_to Time.now do
-        url = SITE.bucket.signed_url(FIXTURE_KEY, expires: 120) +
-          "&response-content-disposition=inline%3B+filename%3D%22test.txt%22"
-
-        assert_equal url, @site.url(FIXTURE_KEY, expires_in: 2.minutes, disposition: :inline, filename: "test.txt")
-      end
-    end
-  end
-else
-  puts "Skipping GCS Site tests because no GCS configuration was supplied"
-end
diff --git a/test/site/mirror_site_test.rb b/test/site/mirror_site_test.rb
deleted file mode 100644
index 7ced377cde..0000000000
--- a/test/site/mirror_site_test.rb
+++ /dev/null
@@ -1,30 +0,0 @@
-require "tmpdir"
-require "site/shared_site_tests"
-
-class ActiveStorage::Site::MirrorSiteTest < ActiveSupport::TestCase
-  PRIMARY_DISK_SITE   = ActiveStorage::Site.configure(:Disk, root: File.join(Dir.tmpdir, "active_storage"))
-  SECONDARY_DISK_SITE = ActiveStorage::Site.configure(:Disk, root: File.join(Dir.tmpdir, "active_storage_mirror"))
-
-  SITE = ActiveStorage::Site.configure :Mirror, sites: [ PRIMARY_DISK_SITE, SECONDARY_DISK_SITE ]
-
-  include ActiveStorage::Site::SharedSiteTests
-
-  test "uploading was done to all sites" do
-    begin
-      key  = SecureRandom.base58(24)
-      data = "Something else entirely!"
-      io   = StringIO.new(data)
-      @site.upload(key, io)
-
-      assert_equal data, PRIMARY_DISK_SITE.download(key)
-      assert_equal data, SECONDARY_DISK_SITE.download(key)
-    ensure
-      @site.delete key
-    end
-  end
-
-  test "existing in all sites" do
-    assert PRIMARY_DISK_SITE.exist?(FIXTURE_KEY)
-    assert SECONDARY_DISK_SITE.exist?(FIXTURE_KEY)
-  end
-end
diff --git a/test/site/s3_site_test.rb b/test/site/s3_site_test.rb
deleted file mode 100644
index a9cb6ca618..0000000000
--- a/test/site/s3_site_test.rb
+++ /dev/null
@@ -1,11 +0,0 @@
-require "site/shared_site_tests"
-
-if SITE_CONFIGURATIONS[:s3]
-  class ActiveStorage::Site::S3SiteTest < ActiveSupport::TestCase
-    SITE = ActiveStorage::Site.configure(:S3, SITE_CONFIGURATIONS[:s3])
-
-    include ActiveStorage::Site::SharedSiteTests
-  end
-else
-  puts "Skipping S3 Site tests because no S3 configuration was supplied"
-end
diff --git a/test/site/shared_site_tests.rb b/test/site/shared_site_tests.rb
deleted file mode 100644
index 687c35e941..0000000000
--- a/test/site/shared_site_tests.rb
+++ /dev/null
@@ -1,63 +0,0 @@
-require "test_helper"
-require "active_support/core_ext/securerandom"
-require "yaml"
-
-SITE_CONFIGURATIONS = begin
-  YAML.load_file(File.expand_path("../configurations.yml", __FILE__)).deep_symbolize_keys 
-rescue Errno::ENOENT
-  puts "Missing site configuration file in test/sites/configurations.yml"
-end
-
-module ActiveStorage::Site::SharedSiteTests
-  extend ActiveSupport::Concern
-
-  FIXTURE_KEY  = SecureRandom.base58(24)
-  FIXTURE_FILE = StringIO.new("Hello world!")
-
-  included do
-    setup do
-      @site = self.class.const_get(:SITE)
-      @site.upload FIXTURE_KEY, FIXTURE_FILE
-      FIXTURE_FILE.rewind
-    end
-
-    teardown do
-      @site.delete FIXTURE_KEY
-      FIXTURE_FILE.rewind
-    end
-
-    test "uploading" do
-      begin
-        key  = SecureRandom.base58(24)
-        data = "Something else entirely!"
-        @site.upload(key, StringIO.new(data))
-
-        assert_equal data, @site.download(key)
-      ensure
-        @site.delete key
-      end
-    end
-
-    test "downloading" do
-      assert_equal FIXTURE_FILE.read, @site.download(FIXTURE_KEY)
-    end
-
-    test "existing" do
-      assert @site.exist?(FIXTURE_KEY)
-      assert_not @site.exist?(FIXTURE_KEY + "nonsense")
-    end
-
-    test "deleting" do
-      @site.delete FIXTURE_KEY
-      assert_not @site.exist?(FIXTURE_KEY)
-    end
-
-    test "sizing" do
-      assert_equal FIXTURE_FILE.size, @site.byte_size(FIXTURE_KEY)
-    end
-  
-    test "checksumming" do
-      assert_equal Digest::MD5.hexdigest(FIXTURE_FILE.read), @site.checksum(FIXTURE_KEY)
-    end
-  end
-end
diff --git a/test/test_helper.rb b/test/test_helper.rb
index f354a995e4..dcabe33c18 100644
--- a/test/test_helper.rb
+++ b/test/test_helper.rb
@@ -6,8 +6,8 @@ require "byebug"
 
 require "active_storage"
 
-require "active_storage/site"
-ActiveStorage::Blob.site = ActiveStorage::Site.configure(:Disk, root: File.join(Dir.tmpdir, "active_storage"))
+require "active_storage/service"
+ActiveStorage::Blob.service = ActiveStorage::Service.configure(:Disk, root: File.join(Dir.tmpdir, "active_storage"))
 
 require "active_storage/verified_key_with_expiration"
 ActiveStorage::VerifiedKeyWithExpiration.verifier = ActiveSupport::MessageVerifier.new("Testing")