diff --git a/SakuraCore/src/Layer.h b/SakuraCore/src/Layer.h
index 3c636ff..e81852f 100644
--- a/SakuraCore/src/Layer.h
+++ b/SakuraCore/src/Layer.h
@@ -8,12 +8,11 @@ public:
     Layer(const std::string &name = "Layer");
     virtual ~Layer() = default;
 
-    virtual void OnStart() {}
     virtual void OnFrame(float timestamp) {}
-    virtual void OnEnd() {}
     virtual void OnEvent() {}
     virtual void OnAttach() {}
     virtual void OnDetach() {}
+    virtual void OnImGuiRender() {}
 
     const std::string &GetName() const { return m_LayerName; }
 
diff --git a/SakuraCore/src/imguilayer.h b/SakuraCore/src/imguilayer.h
index 7526742..bdee95d 100644
--- a/SakuraCore/src/imguilayer.h
+++ b/SakuraCore/src/imguilayer.h
@@ -8,9 +8,7 @@ public:
     ImGuiLayer();
     ~ImGuiLayer() = default;
 
-    // virtual void OnStart() override;
     // virtual void OnFrame(float timestamp) override;
-    // virtual void OnEnd() override;
     virtual void OnAttach() override;
     virtual void OnDetach() override;
     // virtual void OnEvent() override;