diff --git a/app/Classes/MetadataManager.php b/app/Classes/MetadataManager.php
index 771e16a..ec31f61 100644
--- a/app/Classes/MetadataManager.php
+++ b/app/Classes/MetadataManager.php
@@ -156,7 +156,13 @@ public function all()
      */
     public function remove($key)
     {
-        $this->content = collect($this->content)->forget($key)->all();
+        if (is_array($key)) {
+            foreach ($key as $k) {
+                data_forget($this->content, $k);
+            }
+        } else {
+            data_forget($this->content, $key);
+        }
     }
 
     /**