diff --git a/apps/files_external/ajax/oauth2.php b/apps/files_external/ajax/oauth2.php
index b110cba..1367c7b 100644
--- a/apps/files_external/ajax/oauth2.php
+++ b/apps/files_external/ajax/oauth2.php
@@ -26,9 +26,6 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>
  *
  */
-set_include_path(get_include_path().PATH_SEPARATOR.
-	\OC_App::getAppPath('files_external').'/3rdparty/google-api-php-client/src');
-require_once 'Google/Client.php';
 
 OCP\JSON::checkAppEnabled('files_external');
 OCP\JSON::checkLoggedIn();
diff --git a/apps/files_external/lib/google.php b/apps/files_external/lib/google.php
index 62d264d..45b87c6 100644
--- a/apps/files_external/lib/google.php
+++ b/apps/files_external/lib/google.php
@@ -37,10 +37,6 @@ use GuzzleHttp\Exception\RequestException;
 use Icewind\Streams\IteratorDirectory;
 use Icewind\Streams\RetryWrapper;
 
-set_include_path(get_include_path().PATH_SEPARATOR.
-	\OC_App::getAppPath('files_external').'/3rdparty/google-api-php-client/src');
-require_once 'Google/Client.php';
-require_once 'Google/Service/Drive.php';
 
 class Google extends \OC\Files\Storage\Common {
 
@@ -445,7 +441,6 @@ class Google extends \OC\Files\Storage\Common {
 							$response = $client->get($downloadUrl, [
 								'headers' => $httpRequest->getRequestHeaders(),
 								'stream' => true,
-								'verify' => __DIR__ . '/../3rdparty/google-api-php-client/src/Google/IO/cacerts.pem',
 							]);
 						} catch (RequestException $e) {
 							if(!is_null($e->getResponse())) {