4 files changed, 23 insertions, 4 deletions
diff --git a/src/ui/render/flex_layout_render_object.cpp b/src/ui/render/flex_layout_render_object.cpp
index 3370ffc1..a5fde12a 100644
--- a/src/ui/render/flex_layout_render_object.cpp
+++ b/src/ui/render/flex_layout_render_object.cpp
@@ -42,11 +42,15 @@ RenderObject* FlexLayoutRenderObject::HitTest(const Point& point) {
 }  // namespace cru::ui::render
 
 void FlexLayoutRenderObject::OnAddChild(RenderObject* new_child, int position) {
+  CRU_UNUSED(new_child)
+
   child_layout_data_.emplace(child_layout_data_.cbegin() + position);
 }
 
 void FlexLayoutRenderObject::OnRemoveChild(RenderObject* removed_child,
                                            int position) {
+  CRU_UNUSED(removed_child)
+
   child_layout_data_.erase(child_layout_data_.cbegin() + position);
 }
 
diff --git a/src/ui/render/render_object.cpp b/src/ui/render/render_object.cpp
index 8e65dad0..b6a9e8e4 100644
--- a/src/ui/render/render_object.cpp
+++ b/src/ui/render/render_object.cpp
@@ -42,14 +42,23 @@ void RenderObject::Layout(const Rect& rect) {
 }
 
 void RenderObject::OnParentChanged(RenderObject* old_parent,
-                                   RenderObject* new_parent) {}
+                                   RenderObject* new_parent) {
+  CRU_UNUSED(old_parent)
+  CRU_UNUSED(new_parent)
+}
 
 void RenderObject::OnAddChild(RenderObject* new_child, int position) {
+  CRU_UNUSED(new_child)
+  CRU_UNUSED(position)
+
   InvalidateLayout();
   InvalidatePaint();
 }
 
 void RenderObject::OnRemoveChild(RenderObject* removed_child, int position) {
+  CRU_UNUSED(removed_child)
+  CRU_UNUSED(position)
+
   InvalidateLayout();
   InvalidatePaint();
 }
diff --git a/src/ui/render/text_render_object.cpp b/src/ui/render/text_render_object.cpp
index 9afb9f6e..260c6688 100644
--- a/src/ui/render/text_render_object.cpp
+++ b/src/ui/render/text_render_object.cpp
@@ -8,7 +8,7 @@
 #include <algorithm>
 #include <cassert>
 
-//TODO: Null Check!!!
+// TODO: Null Check!!!
 
 namespace cru::ui::render {
 TextRenderObject::TextRenderObject(
@@ -78,7 +78,9 @@ Size TextRenderObject::OnMeasureContent(const Size& available_size) {
   return text_layout_->GetTextBounds().GetSize();
 }
 
-void TextRenderObject::OnLayoutContent(const Rect& content_rect) {}
+void TextRenderObject::OnLayoutContent(const Rect& content_rect) {
+  CRU_UNUSED(content_rect)
+}
 
 void TextRenderObject::OnAfterLayout() {
   const auto&& size = GetContentRect().GetSize();
diff --git a/src/ui/render/window_render_object.cpp b/src/ui/render/window_render_object.cpp
index 8e48b7c9..12fc2ce1 100644
--- a/src/ui/render/window_render_object.cpp
+++ b/src/ui/render/window_render_object.cpp
@@ -92,16 +92,20 @@ namespace {
 void SetRenderHostRecursive(RenderObject* render_object, IRenderHost* host) {
   render_object->SetRenderHost(host);
   for (const auto child : render_object->GetChildren()) {
-    SetRenderHostRecursive(render_object, host);
+    SetRenderHostRecursive(child, host);
   }
 }
 }  // namespace
 
 void WindowRenderObject::OnAddChild(RenderObject* new_child, int position) {
+  CRU_UNUSED(position)
+
   SetRenderHostRecursive(new_child, render_host_.get());
 }
 
 void WindowRenderObject::OnRemoveChild(RenderObject* new_child, int position) {
+  CRU_UNUSED(position)
+
   SetRenderHostRecursive(new_child, nullptr);
 }