--- a/mfbt/LinkedList.h
+++ b/mfbt/LinkedList.h
@@ -643,16 +643,21 @@ private:
 };
 
 template <typename T>
 class AutoCleanLinkedList : public LinkedList<T>
 {
 public:
   ~AutoCleanLinkedList()
   {
+    Clear();
+  }
+
+  void Clear()
+  {
     while (T* element = this->popFirst()) {
       delete element;
     }
   }
 };
 
 } /* namespace mozilla */