diff --git a/controllers/admin/AdminPerformanceController.php b/controllers/admin/AdminPerformanceController.php
index 421a5323a..a3dd63340 100644
--- a/controllers/admin/AdminPerformanceController.php
+++ b/controllers/admin/AdminPerformanceController.php
@@ -562,6 +562,13 @@ class AdminPerformanceControllerCore extends AdminController
 
 	public function postProcess()
 	{
+		/* PrestaShop demo mode */
+		if (_PS_MODE_DEMO_)
+		{
+			$this->errors[] = Tools::displayError('This functionality has been disabled.');
+			return;
+		}
+
 		if (Tools::isSubmit('submitAddServer'))
 		{
 			if ($this->tabAccess['add'] === '1')
@@ -792,6 +799,10 @@ class AdminPerformanceControllerCore extends AdminController
 
 	public function ajaxProcess()
 	{
+		/* PrestaShop demo mode */
+		if (_PS_MODE_DEMO_)
+			die(Tools::displayError('This functionality has been disabled.'));
+		/* PrestaShop demo mode*/
 		if (Tools::isSubmit('action') && Tools::getValue('action') == 'test_server')
 		{
 			$host = pSQL(Tools::getValue('sHost', ''));
diff --git a/controllers/admin/AdminRequestSqlController.php b/controllers/admin/AdminRequestSqlController.php
index 588ca9276..81a28a724 100644
--- a/controllers/admin/AdminRequestSqlController.php
+++ b/controllers/admin/AdminRequestSqlController.php
@@ -158,12 +158,29 @@ class AdminRequestSqlControllerCore extends AdminController
 		return parent::renderForm();
 	}
 
+
+	public function postProcess()
+	{
+		/* PrestaShop demo mode */
+		if (_PS_MODE_DEMO_)
+		{
+			$this->errors[] = Tools::displayError('This functionality has been disabled.');
+			return;
+		}
+		/* PrestaShop demo mode*/
+		return parent::postProcess();
+	}
+	
 	/**
 	 * method call when ajax request is made with the details row action
 	 * @see AdminController::postProcess()
 	 */
 	public function ajaxProcess()
 	{
+		/* PrestaShop demo mode */
+		if (_PS_MODE_DEMO_)
+			die(Tools::displayError('This functionality has been disabled.'));
+		/* PrestaShop demo mode*/
 		if ($table = Tools::GetValue('table'))
 		{
 			$request_sql = new RequestSql();