diff --git a/drm/ResourceManager.h b/drm/ResourceManager.h
index dea61d6..9a2652c 100644
--- a/drm/ResourceManager.h
+++ b/drm/ResourceManager.h
@@ -47,7 +47,7 @@
   ResourceManager &operator=(const ResourceManager &) = delete;
   ResourceManager(const ResourceManager &&) = delete;
   ResourceManager &&operator=(const ResourceManager &&) = delete;
-  ~ResourceManager() = default;
+  ~ResourceManager();
 
   void Init();