diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index bf62c281..5a99d211 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -1,11 +1,5 @@
 # frozen_string_literal: true
 class ApplicationController < ActionController::Base
-  # This is necessary only for localhost development, with storage configured for the filesystem,
-  # but it shouldn't cause problems in other environments that use S3.
-  # Including this concern lets the disk service generate URLs using
-  # the same host, protocol, and port as the current request.
-  # include ActiveStorage::SetCurrent
-
   protect_from_forgery with: :exception
   before_action :authenticate_user!
 
diff --git a/config/environments/development.rb b/config/environments/development.rb
index 06176e96..22b2713e 100644
--- a/config/environments/development.rb
+++ b/config/environments/development.rb
@@ -34,9 +34,6 @@
     config.cache_store = :null_store
   end
 
-  # Store uploaded files on amazon (see config/storage.yml for options).
-  # config.active_storage.service = :local
-
   config.action_mailer.perform_caching = false
 
   config.action_mailer.default_options = {
diff --git a/config/environments/production.rb b/config/environments/production.rb
index cd647c88..d2ca1850 100644
--- a/config/environments/production.rb
+++ b/config/environments/production.rb
@@ -40,9 +40,6 @@
   # config.action_dispatch.x_sendfile_header = 'X-Sendfile' # for Apache
   # config.action_dispatch.x_sendfile_header = 'X-Accel-Redirect' # for NGINX
 
-  # Store uploaded files on the local file system (see config/storage.yml for options).
-  # config.active_storage.service = :local
-
   # Mount Action Cable outside main process or domain.
   # config.action_cable.mount_path = nil
   # config.action_cable.url = 'wss://example.com/cable'
diff --git a/config/environments/staging.rb b/config/environments/staging.rb
index cd6bdc9a..9c4abc01 100644
--- a/config/environments/staging.rb
+++ b/config/environments/staging.rb
@@ -40,9 +40,6 @@
   # config.action_dispatch.x_sendfile_header = 'X-Sendfile' # for Apache
   # config.action_dispatch.x_sendfile_header = 'X-Accel-Redirect' # for NGINX
 
-  # Store uploaded files on the local file system (see config/storage.yml for options).
-  # config.active_storage.service = :local
-
   # Mount Action Cable outside main process or domain.
   # config.action_cable.mount_path = nil
   # config.action_cable.url = 'wss://example.com/cable'
diff --git a/config/environments/test.rb b/config/environments/test.rb
index fc5aaf86..2794c90e 100644
--- a/config/environments/test.rb
+++ b/config/environments/test.rb
@@ -39,9 +39,6 @@
   # Disable request forgery protection in test environment.
   config.action_controller.allow_forgery_protection = false
 
-  # Store uploaded files on the local file system in a temporary directory.
-  # config.active_storage.service = :test
-
   config.action_mailer.perform_caching = false
 
   # Tell Action Mailer not to deliver emails to the real world.
diff --git a/spec/controllers/works_controller_spec.rb b/spec/controllers/works_controller_spec.rb
index 4fe8563b..63493e1e 100644
--- a/spec/controllers/works_controller_spec.rb
+++ b/spec/controllers/works_controller_spec.rb
@@ -9,7 +9,6 @@
     Group.create_defaults
     user
     stub_datacite(host: "api.datacite.org", body: datacite_register_body(prefix: "10.34770"))
-    # allow(ActiveStorage::PurgeJob).to receive(:new).and_call_original
 
     stub_request(:get, /#{Regexp.escape('https://example-bucket.s3.amazonaws.com/us_covid_20')}.*\.csv/).to_return(status: 200, body: "", headers: {})
   end
@@ -76,7 +75,6 @@
       work.reload
       expect(work.resource_type).to eq("Dataset")
       expect(work.resource_type_general).to eq("Dataset")
-      # expect(ActiveStorage::PurgeJob).not_to have_received(:new)
     end
 
     it "handles the reordering the creators on the update page" do
@@ -366,7 +364,6 @@
 
           expect(saved_work.pre_curation_uploads.length).to eq(1)
 
-          # expect(ActiveStorage::PurgeJob).not_to have_received(:new)
           expect(fake_s3_service).to have_received(:delete_s3_object).with(s3_file1.key)
           expect(fake_s3_service).to have_received(:delete_s3_object).with(s3_file3.key)
           expect(fake_s3_service).not_to have_received(:delete_s3_object).with(s3_file2.key)
@@ -428,7 +425,6 @@
           post :update, params: params_no_delete
 
           expect(response).to redirect_to(work_path(work))
-          # expect(ActiveStorage::PurgeJob).not_to have_received(:new)
         end
       end
     end
diff --git a/spec/controllers/works_wizard_controller_spec.rb b/spec/controllers/works_wizard_controller_spec.rb
index 9f7db068..bbe008f7 100644
--- a/spec/controllers/works_wizard_controller_spec.rb
+++ b/spec/controllers/works_wizard_controller_spec.rb
@@ -9,7 +9,6 @@
     Group.create_defaults
     user
     stub_datacite(host: "api.datacite.org", body: datacite_register_body(prefix: "10.34770"))
-    # allow(ActiveStorage::PurgeJob).to receive(:new).and_call_original
 
     stub_request(:get, /#{Regexp.escape('https://example-bucket.s3.amazonaws.com/us_covid_20')}.*\.csv/).to_return(status: 200, body: "", headers: {})
   end
@@ -46,7 +45,6 @@
         post(:update_wizard, params:)
         expect(response.status).to be 302
         expect(response.location).to eq "http://test.host/works/#{work.id}/update-additional"
-        # expect(ActiveStorage::PurgeJob).not_to have_received(:new)
       end
 
       context "save and stay on page" do
diff --git a/spec/controllers/works_wizard_update_additonal_controller_spec.rb b/spec/controllers/works_wizard_update_additonal_controller_spec.rb
index 1505030d..d7650fe7 100644
--- a/spec/controllers/works_wizard_update_additonal_controller_spec.rb
+++ b/spec/controllers/works_wizard_update_additonal_controller_spec.rb
@@ -9,7 +9,6 @@
     Group.create_defaults
     user
     stub_datacite(host: "api.datacite.org", body: datacite_register_body(prefix: "10.34770"))
-    # allow(ActiveStorage::PurgeJob).to receive(:new).and_call_original
 
     stub_request(:get, /#{Regexp.escape('https://example-bucket.s3.amazonaws.com/us_covid_20')}.*\.csv/).to_return(status: 200, body: "", headers: {})
   end
@@ -45,7 +44,6 @@
         patch(:update_additional_save, params:)
         expect(response.status).to be 302
         expect(response.location).to eq "http://test.host/works/#{work.id}/readme-select"
-        # expect(ActiveStorage::PurgeJob).not_to have_received(:new)
       end
 
       context "save and stay on page" do
diff --git a/spec/system/work_edit_spec.rb b/spec/system/work_edit_spec.rb
index a4a41248..4d6db829 100644
--- a/spec/system/work_edit_spec.rb
+++ b/spec/system/work_edit_spec.rb
@@ -43,7 +43,6 @@
     end
 
     it "allows users to delete one of the uploads" do
-      # allow(ActiveStorage::PurgeJob).to receive(:new).and_call_original
       allow(fake_s3_service).to receive(:client_s3_files).and_return([contents1, contents2], [contents2])
 
       expect(page).to have_content "Filename"
@@ -63,7 +62,6 @@
     end
 
     it "allows users to cancel the delete of one of the uploads" do
-      # allow(ActiveStorage::PurgeJob).to receive(:new).and_call_original
       allow(fake_s3_service).to receive(:client_s3_files).and_return([contents1, contents2], [contents2])
 
       expect(page).to have_link "us_covid_2019.csv"
@@ -76,7 +74,6 @@
     end
 
     it "allows users to replace one of the uploads" do
-      # allow(ActiveStorage::PurgeJob).to receive(:new).and_call_original
       expect(page).to have_content "Filename"
       expect(page).to have_content "Last Modified"
       expect(page).to have_content "Size"