diff --git a/include/nc_connector_takeover.inc.php b/include/nc_connector_takeover.inc.php
deleted file mode 100644
index 1bedf01..0000000
--- a/include/nc_connector_takeover.inc.php
+++ /dev/null
@@ -1,135 +0,0 @@
-<?php
-if (!defined('PHPWG_ROOT_PATH'))
-{
-  die('Hacking attempt!');
-}
-
-/**
- * Controlled handover preparation for verified NC Connector connections.
- *
- * This phase intentionally does not stop, disable or modify the legacy
- * piwigo-sync service. It only marks a verified Connector connection as ready
- * for a later controlled takeover. The marker can be rolled back at any time.
- */
-
-function bratonien_tools_nc_connector_ensure_takeover_state()
-{
-  bratonien_tools_nc_connector_ensure_table();
-  $table = bratonien_tools_nc_connector_table();
-  pwg_query("ALTER TABLE `$table` MODIFY takeover_state enum('imported','verified','ready','active','disabled') NOT NULL DEFAULT 'imported'");
-}
-
-function bratonien_tools_nc_connector_prepare_takeover()
-{
-  $id = isset($_POST['connection_id']) ? (int)$_POST['connection_id'] : 0;
-  $connection = bratonien_tools_nc_connector_connection($id, false);
-  if (!$connection)
-  {
-    throw new RuntimeException('Connector-Verbindung wurde nicht gefunden.');
-  }
-  if ($connection['takeover_state'] !== 'verified')
-  {
-    throw new RuntimeException('Nur eine erfolgreich verifizierte Verbindung kann fuer die Uebergabe vorbereitet werden.');
-  }
-
-  $config = $connection['config'];
-  $verification = isset($config['verification']) && is_array($config['verification'])
-    ? $config['verification']
-    : array();
-  if (empty($verification['ok']))
-  {
-    throw new RuntimeException('Die gespeicherte Verifikation ist nicht erfolgreich. Bitte die Verbindung erneut pruefen.');
-  }
-
-  $config['takeover'] = array(
-    'prepared_at' => date('Y-m-d H:i:s'),
-    'legacy_sync_untouched' => true,
-    'connector_enabled' => false,
-    'first_run' => array(
-      'status' => 'pending',
-      'finished_at' => null,
-      'detail' => '',
-    ),
-  );
-  $config_json = json_encode($config, JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES);
-  if (!is_string($config_json))
-  {
-    throw new RuntimeException('Uebergabestatus konnte nicht gespeichert werden.');
-  }
-
-  bratonien_tools_nc_connector_ensure_takeover_state();
-  $table = bratonien_tools_nc_connector_table();
-  $now = date('Y-m-d H:i:s');
-  pwg_query("UPDATE `$table` SET
-    takeover_state = 'ready',
-    enabled = 0,
-    config_json = '".pwg_db_real_escape_string($config_json)."',
-    updated = '".pwg_db_real_escape_string($now)."'
-    WHERE id = ".(int)$connection['id']);
-
-  return array(
-    'message' => 'Die verifizierte Nextcloud-Verbindung ist jetzt fuer die kontrollierte Uebergabe vorbereitet. Der Connector wurde noch nicht aktiviert und der Legacy-Sync bleibt unveraendert Produktionsverbindung.',
-  );
-}
-
-function bratonien_tools_nc_connector_cancel_takeover()
-{
-  $id = isset($_POST['connection_id']) ? (int)$_POST['connection_id'] : 0;
-  $connection = bratonien_tools_nc_connector_connection($id, false);
-  if (!$connection)
-  {
-    throw new RuntimeException('Connector-Verbindung wurde nicht gefunden.');
-  }
-  if ($connection['takeover_state'] !== 'ready')
-  {
-    throw new RuntimeException('Diese Verbindung befindet sich nicht in der Uebergabevorbereitung.');
-  }
-
-  $config = $connection['config'];
-  if (isset($config['takeover']))
-  {
-    unset($config['takeover']);
-  }
-  $config_json = json_encode($config, JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES);
-  if (!is_string($config_json))
-  {
-    throw new RuntimeException('Uebergabestatus konnte nicht zurueckgesetzt werden.');
-  }
-
-  bratonien_tools_nc_connector_ensure_takeover_state();
-  $table = bratonien_tools_nc_connector_table();
-  $now = date('Y-m-d H:i:s');
-  pwg_query("UPDATE `$table` SET
-    takeover_state = 'verified',
-    enabled = 0,
-    config_json = '".pwg_db_real_escape_string($config_json)."',
-    updated = '".pwg_db_real_escape_string($now)."'
-    WHERE id = ".(int)$connection['id']);
-
-  return array(
-    'message' => 'Die Uebergabevorbereitung wurde zurueckgenommen. Die Verbindung bleibt verifiziert und deaktiviert; der Legacy-Sync bleibt unveraendert aktiv.',
-  );
-}
-
-/**
- * Normalize the outcome of a Connector sync run during takeover.
- *
- * Both "changed" and "no_changes" are successful results. Only "error"
- * represents a failed run and may trigger rollback of a controlled handover.
- */
-function bratonien_tools_nc_connector_takeover_result($status, $detail = '')
-{
-  $status = trim((string)$status);
-  if (!in_array($status, array('changed', 'no_changes', 'error'), true))
-  {
-    throw new RuntimeException('Unbekannter Connector-Laufstatus: '.$status);
-  }
-
-  return array(
-    'status' => $status,
-    'success' => $status !== 'error',
-    'changed' => $status === 'changed',
-    'finished_at' => date('Y-m-d H:i:s'),
-    'detail' => (string)$detail,
-  );
-}