diff --git a/src/Config/ConfigInitializer.php b/src/Config/ConfigInitializer.php
index 84fbaf8..1a9bc72 100644
--- a/src/Config/ConfigInitializer.php
+++ b/src/Config/ConfigInitializer.php
@@ -28,7 +28,7 @@ class ConfigInitializer {
   /**
    * Processor.
    *
-   * @var Acquia\Drupal\RecommendedSettings\Config\YamlConfigProcessor
+   * @var \Acquia\Drupal\RecommendedSettings\Config\YamlConfigProcessor
    */
   protected $processor;
 
diff --git a/src/Config/SettingsConfig.php b/src/Config/SettingsConfig.php
index 2ac1e91..97c0629 100644
--- a/src/Config/SettingsConfig.php
+++ b/src/Config/SettingsConfig.php
@@ -11,6 +11,13 @@
  */
 class SettingsConfig extends Config {
 
+  /**
+   * Holds the YamlExpander class object.
+   *
+   * @var \Grasmash\YamlExpander\YamlExpander
+   */
+  protected $expander;
+
   /**
    * Config Constructor.
    *
@@ -29,7 +36,7 @@ public function __construct(array $data = []) {
    * @param string $filename
    *   The file in which placeholders should be expanded.
    */
-  public function expandFileProperties($filename) {
+  public function expandFileProperties(string $filename) {
     $expanded_contents = $this->expander->expandArrayProperties(file($filename), $this->export());
     file_put_contents($filename, implode("", $expanded_contents));
   }
diff --git a/src/Plugin.php b/src/Plugin.php
index 0da1dea..2617e64 100644
--- a/src/Plugin.php
+++ b/src/Plugin.php
@@ -36,18 +36,11 @@ class Plugin implements PluginInterface, EventSubscriberInterface {
   protected $io;
 
   /**
-   * The Composer Scaffold handler.
+   * Stores this plugin package object.
    *
-   * @var \Drupal\Composer\Plugin\Scaffold\Handler
+   * @var mixed|null
    */
-  protected $handler;
-
-  /**
-   * Record whether the 'require' command was called.
-   *
-   * @var bool
-   */
-  protected $drsIncluded;
+  protected $settingsPackage;
 
   /**
    * {@inheritdoc}
@@ -55,7 +48,6 @@ class Plugin implements PluginInterface, EventSubscriberInterface {
   public function activate(Composer $composer, IOInterface $io) {
     $this->composer = $composer;
     $this->io = $io;
-    $this->drsIncluded = FALSE;
   }
 
   /**
@@ -83,7 +75,7 @@ public static function getSubscribedEvents() {
   }
 
   /**
-   * Marks Acquia Drupal Recommended Settings to be processed after an install or update command.
+   * Marks this plugin to be processed after package install or update event.
    *
    * @param \Composer\Installer\PackageEvent $event
    *   Event.
@@ -98,13 +90,14 @@ public function onPostPackageEvent(PackageEvent $event) {
   }
 
   /**
-   * Execute Acquia Drupal Recommended Settings drs:update after update command has been executed.
+   * Includes Acquia recommended settings post composer update/install command.
    *
    * @throws \Exception
    */
   public function onPostCmdEvent() {
-    // Only install the template files if acquia/drupal-recommended-settings was installed.
-    if (isset($this->settingsPackage)) {
+    // Only install the template files, if the drupal-recommended-settings
+    // plugin is installed.
+    if ($this->settingsPackage) {
       $settings = new Settings($this->composer, $this->io, $this->settingsPackage);
       $settings->hashSalt();
       $settings->generateSettings();
@@ -133,25 +126,4 @@ protected function getSettingsPackage(OperationInterface $operation) {
     return NULL;
   }
 
-  /**
-   * Hook for pre-package install.
-   */
-  public function prePackageInstall(PackageEvent $event) {
-    if (!$this->drsIncluded) {
-      $operations = $event->getOperations();
-      foreach ($operations as $operation) {
-        if ($operation instanceof InstallOperation) {
-          $package = $operation->getPackage();
-        }
-        elseif ($operation instanceof UpdateOperation) {
-          $package = $operation->getTargetPackage();
-        }
-        if (isset($package) && $package instanceof PackageInterface && $package->getName() == 'acquia/drupal-recommended-settings') {
-          $this->drsIncluded = TRUE;
-          break;
-        }
-      }
-    }
-  }
-
 }