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copied!<p>I'm going by this from reading the source, so let me know if it actually worked. :)</p> <p>The <code>rails</code> command that generates the application template now has an option <code>-O</code>, which tells it to skip ActiveRecord.</p> <p>If you don't feel like rerunning <code>rails</code>, you should check the following in your existing app:</p> <ul> <li><p>Check that your <code>config/application.rb</code> <strong>doesn't</strong> have <code>require 'rails/all'</code> or <code>require "active_record/railtie"</code>. Instead, for a standard Rails setup without ActiveRecord, it should have <strong>only</strong> the following requires:</p> <pre><code>require File.expand_path('../boot', __FILE__) require "action_controller/railtie" require "action_mailer/railtie" require "active_resource/railtie" require "rails/test_unit/railtie" require "sprockets/railtie" # Auto-require default libraries and those for the current Rails environment. Bundler.require :default, Rails.env </code></pre></li> <li><p>If, in <code>config/application.rb</code>, you are using the <code>config.generators</code> section, make sure it doesn't have the line <code>g.orm :active_record</code>. You can set this explicitly to <code>nil</code>, if you want, but this should be the default when <code>g.orm</code> is completely omitted.</p></li> <li><p>Optional, but in your <code>Gemfile</code>, remove the <code>gem</code> line that loads the module for your database. This could be the line <code>gem "mysql"</code> for example.</p></li> </ul>

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