diff --git a/config/app.php.txt b/config/app.php.txt
index e6f2ee3..48fc761 100644
--- a/config/app.php.txt
+++ b/config/app.php.txt
@@ -384,7 +384,7 @@ define('CRAWL_MANIFEST', true);
  * Manifest API version compatibility
  *
  */
-define('CRAWL_MANIFEST_API_VERSION', 0.11);
+define('CRAWL_MANIFEST_API_VERSION', 0.12);
 
 /*
  * Set default auto-crawl status for new manifest added
diff --git a/public/api.php b/public/api.php
index de3188f..636c3b3 100644
--- a/public/api.php
+++ b/public/api.php
@@ -1,7 +1,7 @@
 <?php
 
 // Current version
-define('API_VERSION', 0.11);
+define('API_VERSION', 0.12);
 
 // Load system dependencies
 require_once(__DIR__ . '/../config/app.php');
@@ -116,7 +116,6 @@ if (API_ENABLED) {
               'crawlHostPageSecondsOffset'     => CRAWL_PAGE_SECONDS_OFFSET,
               'crawlHostPageHomeSecondsOffset' => CRAWL_PAGE_HOME_SECONDS_OFFSET,
               'crawlHostPageMimeIndex'         => CRAWL_PAGE_MIME_INDEX,
-              'cleanHostSecondsOffset'         => CLEAN_HOST_SECONDS_OFFSET,
               'crawlRobotsDefaultRules'        => CRAWL_ROBOTS_DEFAULT_RULES,
               'crawlRobotsPostfixRules'        => CRAWL_ROBOTS_POSTFIX_RULES,
             ],