diff --git a/public/js/opendxp/asset/metadata/editor.js b/public/js/opendxp/asset/metadata/editor.js
index 7df4ef96..e140e94a 100644
--- a/public/js/opendxp/asset/metadata/editor.js
+++ b/public/js/opendxp/asset/metadata/editor.js
@@ -28,9 +28,6 @@ opendxp.asset.metadata.editor = Class.create({
             instance: null
         };
 
-        // hook for providing a custom implementation of the asset metadata tab
-        // e.g. https://github.com/pimcore/asset-metadata-class-definitions
-
         const preCreateAssetMetadataEditor = new CustomEvent(opendxp.events.preCreateAssetMetadataEditor, {
             detail: {
                 editor: this,
@@ -59,4 +56,4 @@ opendxp.asset.metadata.editor = Class.create({
         var values = this.editorInstance.getValues();
         return values;
     }
-});
\ No newline at end of file
+});
diff --git a/public/js/opendxp/document/editables/video.js b/public/js/opendxp/document/editables/video.js
index bf505f9a..4d856172 100644
--- a/public/js/opendxp/document/editables/video.js
+++ b/public/js/opendxp/document/editables/video.js
@@ -41,7 +41,6 @@ opendxp.document.editables.video = Class.create(opendxp.document.editable, {
         var emptyContainer = element.query(".opendxp_editable_video_empty")[0];
         if (emptyContainer) {
             //we have to update container id for video editable inside non-reloadable blocks
-            //https://github.com/pimcore/pimcore/issues/9969
             emptyContainer.id = 'video_' + uniqid();
             emptyContainer = Ext.get(emptyContainer);
             emptyContainer.on("click", this.openEditor.bind(this));
diff --git a/src/Controller/Admin/DataObject/DataObjectController.php b/src/Controller/Admin/DataObject/DataObjectController.php
index 02ac82e2..2cf9acdb 100644
--- a/src/Controller/Admin/DataObject/DataObjectController.php
+++ b/src/Controller/Admin/DataObject/DataObjectController.php
@@ -732,7 +732,6 @@ private function getDataForField(DataObject\Concrete $object, string $key, DataO
                 $this->getDataForField($parent, $key, $fielddefinition, $objectFromVersion, $level + 1);
                 // exception for classification store. if there are no items then it is empty by definition.
                 // consequence is that we have to preserve the metadata information
-                // see https://github.com/pimcore/pimcore/issues/9329
                 if ($fielddefinition instanceof DataObject\ClassDefinition\Data\Classificationstore && $level === 0) {
                     $this->objectData[$key]['metaData'] = $value['metaData'] ?? [];
                     $this->objectData[$key]['inherited'] = true;
diff --git a/tests/Model/Permissions/ModelAssetPermissionsTest.php b/tests/Model/Permissions/ModelAssetPermissionsTest.php
index daf87fba..cb53fede 100644
--- a/tests/Model/Permissions/ModelAssetPermissionsTest.php
+++ b/tests/Model/Permissions/ModelAssetPermissionsTest.php
@@ -73,8 +73,6 @@ protected function tearDown(): void
 
     protected function prepareObjectTree(): void
     {
-        //example based on https://github.com/pimcore/pimcore/issues/11540
-
         $this->permissionfoo = $this->createFolder('permissionfoo', 1);
         $this->permissionbar = $this->createFolder('permissionbar', 1);
         $this->foo = $this->createFolder('foo', $this->permissionbar->getId());
diff --git a/tests/Model/Permissions/ModelDocumentPermissionsTest.php b/tests/Model/Permissions/ModelDocumentPermissionsTest.php
index 1700a4d2..c2d0f259 100644
--- a/tests/Model/Permissions/ModelDocumentPermissionsTest.php
+++ b/tests/Model/Permissions/ModelDocumentPermissionsTest.php
@@ -75,7 +75,6 @@ protected function tearDown(): void
 
     protected function prepareObjectTree(): void
     {
-        //example based on https://github.com/pimcore/pimcore/issues/11540
         $this->permissioncpath = $this->createFolder('permissioncpath', 1);
 
         $this->permissionfoo = $this->createFolder('permissionfoo', 1);