diff --git a/lib/Service/ConfigService.php b/lib/Service/ConfigService.php
index d917740a2..20e0e2e89 100644
--- a/lib/Service/ConfigService.php
+++ b/lib/Service/ConfigService.php
@@ -65,7 +65,7 @@ class ConfigService {
 
 	public function get($key) {
 		$result = null;
-		[$scope, $id] = explode(':', $key, 2);
+		[$scope] = explode(':', $key, 2);
 		switch ($scope) {
 			case 'groupLimit':
 				if (!$this->groupManager->isAdmin($this->userId)) {