diff --git a/dvc/fs/gdrive.py b/dvc/fs/gdrive.py
index 3bc09d885..ca7ae4b6d 100644
--- a/dvc/fs/gdrive.py
+++ b/dvc/fs/gdrive.py
@@ -109,14 +109,12 @@ class GDriveFileSystem(FSSpecWrapper):  # pylint:disable=abstract-method
         if (
             self._use_service_account
             and not self._service_account_json_file_path
-            and "GDRIVE_CREDENTIALS_DATA" not in os.environ
+            and GDriveFileSystem.GDRIVE_CREDENTIALS_DATA not in os.environ
         ):
             raise DvcException(
                 "To use service account, set "
                 "`gdrive_service_account_json_file_path`, and optionally"
                 "`gdrive_service_account_user_email` in DVC config\n"
-                "You can also provide these using the GDRIVE_CREDENTIALS_DATA"
-                "environment variable.\n"
                 "Learn more at {}".format(
                     format_link("https://man.dvc.org/remote/modify")
                 )