diff --git a/lib/generators/paper_trail/install_generator.rb b/lib/generators/paper_trail/install_generator.rb
deleted file mode 100644
index e8a1f20f..00000000
--- a/lib/generators/paper_trail/install_generator.rb
+++ /dev/null
@@ -1,99 +0,0 @@
-# frozen_string_literal: true
-
-require "rails/generators"
-require "rails/generators/active_record"
-
-module PaperTrail
-  # Installs PaperTrail in a rails app.
-  class InstallGenerator < ::Rails::Generators::Base
-    include ::Rails::Generators::Migration
-
-    # Class names of MySQL adapters.
-    # - `MysqlAdapter` - Used by gems: `mysql`, `activerecord-jdbcmysql-adapter`.
-    # - `Mysql2Adapter` - Used by `mysql2` gem.
-    MYSQL_ADAPTERS = [
-      "ActiveRecord::ConnectionAdapters::MysqlAdapter",
-      "ActiveRecord::ConnectionAdapters::Mysql2Adapter"
-    ].freeze
-
-    source_root File.expand_path("templates", __dir__)
-    class_option(
-      :with_changes,
-      type: :boolean,
-      default: false,
-      desc: "Store changeset (diff) with each version"
-    )
-
-    desc "Generates (but does not run) a migration to add a versions table."
-
-    def create_migration_file
-      add_paper_trail_migration("create_versions")
-      add_paper_trail_migration("add_object_changes_to_versions") if options.with_changes?
-    end
-
-    def self.next_migration_number(dirname)
-      ::ActiveRecord::Generators::Base.next_migration_number(dirname)
-    end
-
-    protected
-
-    def add_paper_trail_migration(template)
-      migration_dir = File.expand_path("db/migrate")
-      if self.class.migration_exists?(migration_dir, template)
-        ::Kernel.warn "Migration already exists: #{template}"
-      else
-        migration_template(
-          "#{template}.rb.erb",
-          "db/migrate/#{template}.rb",
-          item_type_options: item_type_options,
-          migration_version: migration_version,
-          versions_table_options: versions_table_options
-        )
-      end
-    end
-
-    private
-
-    # MySQL 5.6 utf8mb4 limit is 191 chars for keys used in indexes.
-    # See https://github.com/paper-trail-gem/paper_trail/issues/651
-    def item_type_options
-      opt = { null: false }
-      opt[:limit] = 191 if mysql?
-      ", #{opt}"
-    end
-
-    def migration_version
-      major = ActiveRecord::VERSION::MAJOR
-      if major >= 5
-        "[#{major}.#{ActiveRecord::VERSION::MINOR}]"
-      end
-    end
-
-    def mysql?
-      MYSQL_ADAPTERS.include?(ActiveRecord::Base.connection.class.name)
-    end
-
-    # Even modern versions of MySQL still use `latin1` as the default character
-    # encoding. Many users are not aware of this, and run into trouble when they
-    # try to use PaperTrail in apps that otherwise tend to use UTF-8. Postgres, by
-    # comparison, uses UTF-8 except in the unusual case where the OS is configured
-    # with a custom locale.
-    #
-    # - https://dev.mysql.com/doc/refman/5.7/en/charset-applications.html
-    # - http://www.postgresql.org/docs/9.4/static/multibyte.html
-    #
-    # Furthermore, MySQL's original implementation of UTF-8 was flawed, and had
-    # to be fixed later by introducing a new charset, `utf8mb4`.
-    #
-    # - https://mathiasbynens.be/notes/mysql-utf8mb4
-    # - https://dev.mysql.com/doc/refman/5.5/en/charset-unicode-utf8mb4.html
-    #
-    def versions_table_options
-      if mysql?
-        ', { options: "ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci" }'
-      else
-        ""
-      end
-    end
-  end
-end