diff --git a/lib/licence_identifier_migrator.rb b/lib/licence_identifier_migrator.rb
deleted file mode 100644
index d4b0d2094..000000000
--- a/lib/licence_identifier_migrator.rb
+++ /dev/null
@@ -1,37 +0,0 @@
-require "net/http"
-require "uri"
-
-class LicenceIdentifierMigrator
-  LICENCE_MAPPING_URL = "https://raw.github.com/alphagov/licence-finder/correlation_id_migration/data/licence_gds_ids.yaml".freeze
-
-  def self.update_all
-    counter = 0
-    licence_mappings = mappings_as_hash
-
-    LicenceEdition.all.each do |licence_edition|
-      licence_identifier = licence_mappings[licence_edition.licence_identifier.to_i]
-      if licence_identifier
-        licence_edition.licence_identifier = licence_identifier
-        if licence_edition.save(validate: false)
-          counter += 1
-        end
-      end
-      done(counter, "\r")
-    end
-    done(counter, "\n")
-  end
-
-  def self.mappings_as_hash
-    uri = URI.parse(LICENCE_MAPPING_URL)
-    http = Net::HTTP.new(uri.host, uri.port)
-    http.use_ssl = true
-    http.verify_mode = OpenSSL::SSL::VERIFY_PEER
-    request = Net::HTTP::Get.new(uri.request_uri)
-    response = http.request(request)
-    YAML.safe_load(response.body)
-  end
-
-  def self.done(counter, line_ending)
-    Rails.logger.debug "Migrated #{counter} LicenceEditions.#{line_ending}"
-  end
-end
diff --git a/lib/tasks/licence_finder.rake b/lib/tasks/licence_finder.rake
deleted file mode 100644
index 348c46c5e..000000000
--- a/lib/tasks/licence_finder.rake
+++ /dev/null
@@ -1,53 +0,0 @@
-def create_artefact!
-  artefact = Artefact.new(
-    content_id: "69af22e0-da49-4810-9ee4-22b4666ac627",
-    slug: "licence-finder",
-    name: "Licence finder",
-    owning_app: "publisher",
-    kind: "transaction",
-    state: "draft",
-    language: "en",
-  )
-
-  artefact.save!
-end
-
-namespace :licence_finder do
-  desc "Create draft start page for licence finder"
-  task licence_finder_draft: :environment do
-    # Claim path
-    # https://github.com/alphagov/publishing-api/blob/master/doc/api.md#put-pathsbase_path
-    puts "Claiming path /licence-finder"
-    endpoint = Services.publishing_api.options[:endpoint_url]
-    Services.publishing_api.put_json("#{endpoint}/paths/licence-finder", publishing_app: "publisher", override_existing: true)
-
-    # Delete existing artefact
-    # allowing us to create a new one at the right path
-    old_artefact = Artefact.where(slug: "licence-finder", owning_app: "licencefinder").first
-    if old_artefact
-      puts "Deleting existing artefact to allow creating a new one with path /licence-finder"
-      old_artefact.delete
-    end
-
-    puts "Creating Artefact matching old content_id: 69af22e0-da49-4810-9ee4-22b4666ac627"
-    create_artefact!
-    puts "Artefact saved"
-    puts "Creating Edition from Artefact"
-
-    current_user = User.where(name: "Paul Hayes").first
-    edition = Edition.find_or_create_from_panopticon_data(artefact.id.to_s, current_user)
-    overview = "Find out which licences you might need for your activity or business"
-    link = "/licence-finder/sectors"
-    introduction = "You may need a licence for:\r\n\r\n* some business activities\r\n* other activities, eg street parties\r\n\r\nUse this tool to find out which licences you may need."
-
-    edition[:link] = link
-    edition[:introduction] = introduction
-    edition[:overview] = overview
-
-    edition.save!
-    puts "Draft edition created: /editions/#{edition.id}"
-
-    UpdateWorker.perform_async(edition.id.to_s)
-    puts "Pushing draft to publishing API: /licence-finder"
-  end
-end
diff --git a/lib/tasks/licence_identifier_migrate.rake b/lib/tasks/licence_identifier_migrate.rake
deleted file mode 100644
index b1e11ecb7..000000000
--- a/lib/tasks/licence_identifier_migrate.rake
+++ /dev/null
@@ -1,11 +0,0 @@
-require "licence_identifier_migrator"
-
-desc "Maps old correlation_ids stored in the LicenceEdition licence_identifier field to legal_ref_ids"
-task licence_identifier_migrate: ["licence_identifier_migrate:update_all"]
-
-namespace :licence_identifier_migrate do
-  desc "sub task to update licence_identifiers"
-  task update_all: :environment do
-    LicenceIdentifierMigrator.update_all
-  end
-end
diff --git a/test/unit/licence_identifier_migrator_test.rb b/test/unit/licence_identifier_migrator_test.rb
deleted file mode 100644
index 111619be2..000000000
--- a/test/unit/licence_identifier_migrator_test.rb
+++ /dev/null
@@ -1,29 +0,0 @@
-require "test_helper"
-require "licence_identifier_migrator"
-
-class LicenceIdentifierMigratorTest < ActiveSupport::TestCase
-  context "update_all" do
-    setup do
-      LicenceIdentifierMigrator.stubs(:mappings_as_hash).returns(
-        1_083_741_393 => "123-1-1",
-        1_083_741_799 => "146-7-1",
-        1_084_062_157 => "898-1-1",
-        1_075_329_002 => "999-4-1",
-      )
-      @le1 = LicenceEdition.create!(licence_identifier: "1083741799", title: "Licence One", panopticon_id: FactoryBot.create(:artefact).id)
-      @le2 = LicenceEdition.create!(licence_identifier: "9999999999", title: "Licence Two", panopticon_id: FactoryBot.create(:artefact).id)
-    end
-
-    should "update licence editions with a matching licence identifier" do
-      LicenceIdentifierMigrator.update_all
-      @le1.reload
-      assert_equal "146-7-1", @le1.licence_identifier
-    end
-
-    should "ignore licence editions without a matching licence identifier" do
-      LicenceIdentifierMigrator.update_all
-      @le2.reload
-      assert_equal "9999999999", @le2.licence_identifier
-    end
-  end
-end