diff --git a/application/forms/Config/Resource/DbResourceForm.php b/application/forms/Config/Resource/DbResourceForm.php
index c270f7d91..edf82e487 100644
--- a/application/forms/Config/Resource/DbResourceForm.php
+++ b/application/forms/Config/Resource/DbResourceForm.php
@@ -146,17 +146,6 @@ class DbResourceForm extends Form
                 'label'         => $this->translate('Character Set')
             )
         );
-        $this->addElement(
-            'checkbox',
-            'persistent',
-            array(
-                'description'   => $this->translate(
-                    'Check this box for persistent database connections. Persistent connections are not closed at the'
-                    . ' end of a request, but are cached and re-used. This is experimental'
-                ),
-                'label'         => $this->translate('Persistent')
-            )
-        );
         $this->addElement(
             'checkbox',
             'use_ssl',
diff --git a/library/Icinga/Data/Db/DbConnection.php b/library/Icinga/Data/Db/DbConnection.php
index f38f6eb75..ffce026e2 100644
--- a/library/Icinga/Data/Db/DbConnection.php
+++ b/library/Icinga/Data/Db/DbConnection.php
@@ -141,7 +141,6 @@ class DbConnection implements Selectable, Extensible, Updatable, Reducible, Insp
             'password'          => $this->config->password,
             'dbname'            => $this->config->dbname,
             'charset'           => $this->config->charset ?: null,
-            'persistent'        => (bool) $this->config->get('persistent', false),
             'options'           => & $genericAdapterOptions,
             'driver_options'    => & $driverOptions
         );
@@ -159,7 +158,6 @@ class DbConnection implements Selectable, Extensible, Updatable, Reducible, Insp
                 }
                 if ($pdoType === 'dblib') {
                     // Driver does not support setting attributes
-                    unset($adapterParamaters['persistent']);
                     unset($adapterParamaters['options']);
                     unset($adapterParamaters['driver_options']);
                 }