diff --git a/library/Icinga/Data/Db/DbConnection.php b/library/Icinga/Data/Db/DbConnection.php
index 471905907..95f3e9235 100644
--- a/library/Icinga/Data/Db/DbConnection.php
+++ b/library/Icinga/Data/Db/DbConnection.php
@@ -71,9 +71,6 @@ class DbConnection implements Selectable, Extensible, Updatable, Reducible
     public function __construct(ConfigObject $config = null)
     {
         $this->config = $config;
-        if (isset($config->prefix)) {
-            $this->tablePrefix = $config->prefix;
-        }
         $this->connect();
     }