diff --git a/script.php b/script.php
index 377ae38..a9e6678 100644
--- a/script.php
+++ b/script.php
@@ -24,39 +24,4 @@ use Joomla\CMS\Filesystem\Folder;
  */
 class plgContentComponentbuilderCustomAdminHeadersTabsInstallerScript
 {
-
-	/**
-	 * Called before any type of action
-	 *
-	 * @param   string  $route  Which action is happening (install|uninstall|discover_install|update)
-	 * @param   Joomla\CMS\Installer\InstallerAdapter  $adapter  The object responsible for running this script
-	 *
-	 * @return  boolean  True on success
-	 */
-	public function preflight($route, $adapter)
-	{
-		// get application
-		$app = Factory::getApplication();
-
-		// the default for both install and update
-		$jversion = new JVersion();
-		if (!$jversion->isCompatible('3.8.0'))
-		{
-			$app->enqueueMessage('Please upgrade to at least Joomla! 3.8.0 before continuing!', 'error');
-			return false;
-		}
-
-		if ('install' === $route)
-		{
-			// check that componentbuilder is installed
-			$pathToCore = JPATH_ADMINISTRATOR . '/components/com_componentbuilder/helpers/componentbuilder.php';
-			if (!JFile::exists($pathToCore))
-			{
-				$app->enqueueMessage('Joomla Component Builder must first be installed from <a href="https://www.joomlacomponentbuilder.com/ " target="_blank">Joomla Component Builder</a>.', 'error');
-				return false;
-			}
-		}
-
-		return true;
-	}
 }