diff --git a/engine/include/sophia/ui/panel.hpp b/engine/include/sophia/ui/panel.hpp
index 9be5282..078104e 100644
--- a/engine/include/sophia/ui/panel.hpp
+++ b/engine/include/sophia/ui/panel.hpp
@@ -21,8 +21,6 @@ class Panel {
     bool locked = false;
     bool closable = true;
 
-    // A zero component lets ImGui size the window. Applied on first use, or
-    // every frame when locked.
     glm::vec2 size{0.0f, 0.0f};
     std::optional<glm::vec2> position;