diff --git a/src/Core/Config/Configuration.php b/src/Core/Config/Configuration.php
index c6fe626d91..532ed982a9 100644
--- a/src/Core/Config/Configuration.php
+++ b/src/Core/Config/Configuration.php
@@ -10,16 +10,6 @@ namespace Friendica\Core\Config;
  */
 class Configuration
 {
-	/**
-	 * The blacklist of configuration settings, which should not get saved to the backend
-	 * @var array
-	 */
-	private $configSaveBlacklist = [
-		'config' => [
-			'hostname' => true,
-		]
-	];
-
 	/**
 	 * @var Cache\IConfigCache
 	 */
@@ -127,7 +117,7 @@ class Configuration
 		$cached = $this->configCache->set($cat, $key, $value);
 
 		// If there is no connected adapter, we're finished
-		if (!$this->configAdapter->isConnected() || !empty($this->configSaveBlacklist[$cat][$key])) {
+		if (!$this->configAdapter->isConnected()) {
 			return $cached;
 		}