diff --git a/lib/Controller/DisplayController.php b/lib/Controller/DisplayController.php
index 645003b..48a6265 100644
--- a/lib/Controller/DisplayController.php
+++ b/lib/Controller/DisplayController.php
@@ -65,7 +65,6 @@ public function showMindmapViewer(): TemplateResponse {
         $policy->addAllowedFontDomain('data:');
         $policy->addAllowedImageDomain('*');
         $policy->addAllowedConnectDomain('data:');
-        $policy->addAllowedScriptDomain('\'unsafe-eval\'');
         $response->setContentSecurityPolicy($policy);
 
         return $response;