diff --git a/simple_fb_connect.install b/simple_fb_connect.install
index 6ee596c..d607816 100644
--- a/simple_fb_connect.install
+++ b/simple_fb_connect.install
@@ -6,80 +6,6 @@
  */
 
 /**
- * Implements hook_requirements().
- *
- * Checks that a compatible version of Facebook Graph SDK has been installed
- * with Composer. Check installation instructions from the README.txt.
- */
-function simple_fb_connect_requirements($phase) {
-  $requirements = array();
-
-  if ($phase == 'install') {
-    $sdk_found = FALSE;
-
-    if ($json = simple_fb_connect_read_packages()) {
-
-      // Loop through installed packages and check that the SDK version is OK.
-      foreach ($json as $package) {
-        if ($package['name'] == 'facebook/graph-sdk') {
-          $sdk_found = TRUE;
-          if ($package['version'] < 5 || $package['version'] >= 6) {
-            $requirements['simple_fb_connect'] = [
-              'description' => t('Simple FB Connect could not be installed because an incompatible version of Facebook SDK library was detected. Please read the installation instructions from README.txt.'),
-              'severity' => REQUIREMENT_ERROR,
-            ];
-          }
-        }
-      }
-
-      // SDK was not found in installed.json.
-      if (!$sdk_found) {
-        $requirements['simple_fb_connect'] = [
-          'description' => t('Simple FB Connect could not be installed because Facebook SDK library was not found. Simple FB Connect must be installed using Composer. Please read the installation instructions from README.txt.'),
-          'severity' => REQUIREMENT_ERROR,
-        ];
-      }
-    }
-
-    // installed.json could not be read or parsed.
-    else {
-      $requirements['simple_fb_connect'] = [
-        'description' => t('Simple FB Connect could not be installed: installed.json could not be read.'),
-        'severity' => REQUIREMENT_ERROR,
-      ];
-    }
-  }
-
-  return $requirements;
-
-}
-
-/**
- * Reads and parses Drupal installed.json.
- *
- * @return array|bool
- *   Parsed installed.json if the file could be read and parsed.
- *   False otherwise.
- */
-function simple_fb_connect_read_packages() {
-  // Make this test compatible with either regular installs,
-  // when DRUPAL_ROOT is the actual website filesystem root,
-  // or composer drupal-scaffold installs when DRUPAL_ROOT is set in
-  // /web/ subdirectory.
-  $base_dir = is_dir(DRUPAL_ROOT . '/vendor') ? DRUPAL_ROOT : dirname(DRUPAL_ROOT);
-  $file_path = $base_dir . '/vendor/composer/installed.json';
-  if (file_exists($file_path)) {
-    if ($filedata = @file_get_contents($file_path)) {
-      $json = @json_decode($filedata, TRUE);
-      if ($json !== NULL) {
-        return $json;
-      }
-    }
-  }
-  return FALSE;
-}
-
-/**
  * Set Graph API version to v2.6.
  *
  * The Graph API version became a configurable parameter in 8.x-3.0-rc3.