Placer le hook_unistall dans le fichier .install de votre module
/** * Implements hook_unistall(). */ function my_paragraphs_uninstall() { $files = file_scan_directory(drupal_get_path('module', 'my_paragraphs') . "/config/install", "/.*\.yml/"); foreach ($files as $file) { \Drupal::configFactory()->getEditable($file->name)->delete(); } }