diff --git a/modules/backend/traits/InspectableContainer.php b/modules/backend/traits/InspectableContainer.php
index 62ddb6295..982ca11b9 100644
--- a/modules/backend/traits/InspectableContainer.php
+++ b/modules/backend/traits/InspectableContainer.php
@@ -15,6 +15,9 @@ trait InspectableContainer
 {
     public function onInspectableGetOptions()
     {
+        // Disable asset broadcasting
+        $this->flushAssets();
+
         $property = trim(Request::input('inspectorProperty'));
         if (!$property) {
             throw new ApplicationException('The property name is not specified.');
@@ -30,7 +33,7 @@ trait InspectableContainer
             throw new ApplicationException('The options cannot be loaded for the specified class.');
         }
 
-        $obj = new $className(null);
+        $obj = new $className;
 
         // Nested properties have names like object.property.
         // Convert them to Object.Property.
diff --git a/modules/backend/widgets/Table.php b/modules/backend/widgets/Table.php
index 9d0e53b1e..7b2f6261f 100644
--- a/modules/backend/widgets/Table.php
+++ b/modules/backend/widgets/Table.php
@@ -200,8 +200,8 @@ class Table extends WidgetBase
 
     public function onServerGetRecords()
     {
-        // Disable assets
-        $this->controller->clearAssetDefinitions();
+        // Disable asset broadcasting
+        $this->controller->flushAssets();
 
         if ($this->isClientDataSource()) {
             throw new SystemException('The Table widget is not configured to use the server data source.');
diff --git a/modules/system/traits/AssetMaker.php b/modules/system/traits/AssetMaker.php
index 4d3d0d6d6..4cd2f9f8d 100644
--- a/modules/system/traits/AssetMaker.php
+++ b/modules/system/traits/AssetMaker.php
@@ -31,7 +31,7 @@ trait AssetMaker
      * by specifically targeting the hasAssetsDefined method.
      * @return void
      */
-    public function clearAssetDefinitions()
+    public function flushAssets()
     {
         $this->assets = ['js'=>[], 'css'=>[], 'rss'=>[]];
     }