diff --git a/engine/src/imgui_renderer.cpp b/engine/src/imgui_renderer.cpp
index fd32ded..538c29c 100644
--- a/engine/src/imgui_renderer.cpp
+++ b/engine/src/imgui_renderer.cpp
@@ -3,7 +3,7 @@
 #include <imgui.h>
 #include <imgui_impl_glfw.h>
 #include <imgui_impl_vulkan.h>
-#include <imgui_internal.h>  // DockBuilder API
+#include <imgui_internal.h>
 
 namespace sophia {