Remove Object2.

46 files changed, 13 insertions, 187 deletions

diff --git a/demos/platform/graphics/Base.h b/demos/platform/graphics/Base.h
index 6f4f4929..f3f2bb72 100644
--- a/demos/platform/graphics/Base.h
+++ b/demos/platform/graphics/Base.h
@@ -8,7 +8,7 @@
 #include <memory>
 #include <string>
 
-class CruPlatformGraphicsDemo : public cru::Object2 {
+class CruPlatformGraphicsDemo : public cru::Object {
  public:
   CruPlatformGraphicsDemo(std::string file_name, int width, int height);
   ~CruPlatformGraphicsDemo() override;
diff --git a/include/cru/base/Base.h b/include/cru/base/Base.h
index 28983469..6dfe995a 100644
--- a/include/cru/base/Base.h
+++ b/include/cru/base/Base.h
@@ -67,21 +67,11 @@ namespace cru {
 class CRU_BASE_API Object {
  public:
   Object() = default;
-  CRU_DEFAULT_COPY(Object)
-  CRU_DEFAULT_MOVE(Object)
+  CRU_DELETE_COPY(Object)
+  CRU_DELETE_MOVE(Object)
   virtual ~Object() = default;
 };
 
-class CRU_BASE_API Object2 {
- public:
-  Object2() = default;
-  Object2(const Object2&) = delete;
-  Object2& operator=(const Object2&) = delete;
-  Object2(Object2&&) = delete;
-  Object2& operator=(Object2&&) = delete;
-  virtual ~Object2() = default;
-};
-
 struct CRU_BASE_API Interface {
   Interface() = default;
   CRU_DELETE_COPY(Interface)
diff --git a/include/cru/base/PropertyTree.h b/include/cru/base/PropertyTree.h
index 8eecc3b9..47055c2a 100644
--- a/include/cru/base/PropertyTree.h
+++ b/include/cru/base/PropertyTree.h
@@ -33,7 +33,7 @@ class CRU_BASE_API PropertySubTreeRef {
   std::string path_;
 };
 
-class CRU_BASE_API PropertyTree : public Object2 {
+class CRU_BASE_API PropertyTree : public Object {
  public:
   static std::string CombineKey(std::string_view left, std::string_view right);
 
diff --git a/include/cru/base/Timer.h b/include/cru/base/Timer.h
index 6e34d9cb..7b467f18 100644
--- a/include/cru/base/Timer.h
+++ b/include/cru/base/Timer.h
@@ -12,7 +12,7 @@
 
 namespace cru {
 template <typename D>
-class TimerRegistry : public Object2 {
+class TimerRegistry : public Object {
  private:
   struct TimerData {
     int id;
diff --git a/include/cru/base/io/Stream.h b/include/cru/base/io/Stream.h
index f082b490..54801f05 100644
--- a/include/cru/base/io/Stream.h
+++ b/include/cru/base/io/Stream.h
@@ -64,9 +64,6 @@ class CRU_BASE_API Stream : public Object {
  public:
   enum class SeekOrigin { Current, Begin, End };
 
-  CRU_DELETE_COPY(Stream)
-  CRU_DELETE_MOVE(Stream)
-
   ~Stream() override = default;
 
  public:
diff --git a/include/cru/base/log/Logger.h b/include/cru/base/log/Logger.h
index f44bad72..8f7c32e0 100644
--- a/include/cru/base/log/Logger.h
+++ b/include/cru/base/log/Logger.h
@@ -30,7 +30,7 @@ struct CRU_BASE_API ILogTarget : virtual Interface {
   virtual void Write(LogLevel level, std::string s) = 0;
 };
 
-class CRU_BASE_API Logger : public Object2 {
+class CRU_BASE_API Logger : public Object {
  public:
   static Logger* GetInstance();
 
@@ -76,7 +76,7 @@ class CRU_BASE_API Logger : public Object2 {
   std::vector<std::unique_ptr<ILogTarget>> target_list_;
 };
 
-class CRU_BASE_API LoggerCppStream : public Object2 {
+class CRU_BASE_API LoggerCppStream : public Object {
  public:
   explicit LoggerCppStream(Logger* logger, LogLevel level, std::string tag);
   ~LoggerCppStream() override = default;
diff --git a/include/cru/base/platform/unix/EventLoop.h b/include/cru/base/platform/unix/EventLoop.h
index 697c6f37..0bc68138 100644
--- a/include/cru/base/platform/unix/EventLoop.h
+++ b/include/cru/base/platform/unix/EventLoop.h
@@ -17,7 +17,7 @@
 #include <utility>
 
 namespace cru::platform::unix {
-class UnixTimerFile : public Object2 {
+class UnixTimerFile : public Object {
  public:
   template <class Rep, class Period>
   explicit UnixTimerFile(std::chrono::duration<Rep, Period> time) {
@@ -45,7 +45,7 @@ class UnixTimerFile : public Object2 {
   std::thread thread_;
 };
 
-class UnixEventLoop : public Object2 {
+class UnixEventLoop : public Object {
   CRU_DEFINE_CLASS_LOG_TAG("cru::platform::unix::UnixEventLoop")
  public:
   using PollEvents = decltype(std::declval<pollfd>().events);
diff --git a/include/cru/parse/Grammar.h b/include/cru/parse/Grammar.h
index 522cc0fd..2bf79fe6 100644
--- a/include/cru/parse/Grammar.h
+++ b/include/cru/parse/Grammar.h
@@ -9,10 +9,6 @@ namespace cru::parse {
 class CRU_PARSE_API Grammar : public Object {
  public:
   Grammar();
-
-  CRU_DELETE_COPY(Grammar)
-  CRU_DELETE_MOVE(Grammar)
-
   ~Grammar() override;
 
  public:
diff --git a/include/cru/parse/Production.h b/include/cru/parse/Production.h
index 81236020..eb127893 100644
--- a/include/cru/parse/Production.h
+++ b/include/cru/parse/Production.h
@@ -9,10 +9,6 @@ class CRU_PARSE_API Production : public Object {
  public:
   Production(Grammar* grammar, std::string name, Nonterminal* left,
              std::vector<Symbol*> right);
-
-  CRU_DELETE_COPY(Production)
-  CRU_DELETE_MOVE(Production)
-
   ~Production() override;
 
  public:
diff --git a/include/cru/parse/Symbol.h b/include/cru/parse/Symbol.h
index d40243e7..d2691cdd 100644
--- a/include/cru/parse/Symbol.h
+++ b/include/cru/parse/Symbol.h
@@ -11,10 +11,6 @@ class Grammar;
 class CRU_PARSE_API Symbol : public Object {
  public:
   explicit Symbol(Grammar* grammar, std::string name);
-
-  CRU_DELETE_COPY(Symbol)
-  CRU_DELETE_MOVE(Symbol)
-
   ~Symbol() override;
 
  public:
diff --git a/include/cru/parse/TokenType.h b/include/cru/parse/TokenType.h
index a015a49b..44c515da 100644
--- a/include/cru/parse/TokenType.h
+++ b/include/cru/parse/TokenType.h
@@ -8,10 +8,6 @@ namespace cru::parse {
 class CRU_PARSE_API TokenType : public Object {
  public:
   explicit TokenType(std::string name);
-
-  CRU_DELETE_COPY(TokenType)
-  CRU_DELETE_MOVE(TokenType)
-
   ~TokenType() override;
 
  public:
diff --git a/include/cru/platform/graphics/NullPainter.h b/include/cru/platform/graphics/NullPainter.h
index 29ed8a3e..f335e16d 100644
--- a/include/cru/platform/graphics/NullPainter.h
+++ b/include/cru/platform/graphics/NullPainter.h
@@ -7,10 +7,6 @@ namespace cru::platform::graphics {
 class NullPainter : public Object, public virtual IPainter {
  public:
   NullPainter() = default;
-
-  CRU_DELETE_COPY(NullPainter)
-  CRU_DELETE_MOVE(NullPainter)
-
   ~NullPainter() override = default;
 
  public:
diff --git a/include/cru/platform/graphics/cairo/Base.h b/include/cru/platform/graphics/cairo/Base.h
index 4338d7f7..350c9ea4 100644
--- a/include/cru/platform/graphics/cairo/Base.h
+++ b/include/cru/platform/graphics/cairo/Base.h
@@ -26,10 +26,6 @@ class CRU_PLATFORM_GRAPHICS_CAIRO_API CairoResource
       public virtual IGraphicsResource {
  public:
   explicit CairoResource(CairoGraphicsFactory* factory);
-
-  CRU_DELETE_COPY(CairoResource)
-  CRU_DELETE_MOVE(CairoResource)
-
   ~CairoResource() override;
 
   std::string GetPlatformId() const override;
diff --git a/include/cru/platform/graphics/direct2d/Resource.h b/include/cru/platform/graphics/direct2d/Resource.h
index ca67a463..b8dd42ab 100644
--- a/include/cru/platform/graphics/direct2d/Resource.h
+++ b/include/cru/platform/graphics/direct2d/Resource.h
@@ -18,9 +18,6 @@ class CRU_WIN_GRAPHICS_DIRECT_API DirectResource
   DirectResource() = default;
 
  public:
-  CRU_DELETE_COPY(DirectResource)
-  CRU_DELETE_MOVE(DirectResource)
-
   ~DirectResource() override = default;
 
  public:
diff --git a/include/cru/platform/graphics/direct2d/WindowRenderTarget.h b/include/cru/platform/graphics/direct2d/WindowRenderTarget.h
index f77ce471..19b32df9 100644
--- a/include/cru/platform/graphics/direct2d/WindowRenderTarget.h
+++ b/include/cru/platform/graphics/direct2d/WindowRenderTarget.h
@@ -6,10 +6,6 @@ namespace cru::platform::graphics::direct2d {
 class CRU_WIN_GRAPHICS_DIRECT_API D2DWindowRenderTarget : public Object {
  public:
   D2DWindowRenderTarget(DirectGraphicsFactory* factory, HWND hwnd);
-
-  CRU_DELETE_COPY(D2DWindowRenderTarget)
-  CRU_DELETE_MOVE(D2DWindowRenderTarget)
-
   ~D2DWindowRenderTarget() override = default;
 
  public:
diff --git a/include/cru/platform/graphics/web_canvas/WebCanvasResource.h b/include/cru/platform/graphics/web_canvas/WebCanvasResource.h
index e3866f38..dbe83225 100644
--- a/include/cru/platform/graphics/web_canvas/WebCanvasResource.h
+++ b/include/cru/platform/graphics/web_canvas/WebCanvasResource.h
@@ -11,10 +11,6 @@ class WebCanvasResource : public Object, public virtual IPlatformResource {
   static const std::string kPlatformId;
 
   explicit WebCanvasResource(WebCanvasGraphicsFactory* factory);
-
-  CRU_DELETE_COPY(WebCanvasResource)
-  CRU_DELETE_MOVE(WebCanvasResource)
-
   ~WebCanvasResource() override;
 
  public:
diff --git a/include/cru/platform/gui/win/GodWindow.h b/include/cru/platform/gui/win/GodWindow.h
index ceb6fe2d..439c0125 100644
--- a/include/cru/platform/gui/win/GodWindow.h
+++ b/include/cru/platform/gui/win/GodWindow.h
@@ -12,10 +12,6 @@ class CRU_WIN_GUI_API GodWindow : public Object {
 
  public:
   explicit GodWindow(WinUiApplication* application);
-
-  CRU_DELETE_COPY(GodWindow)
-  CRU_DELETE_MOVE(GodWindow)
-
   ~GodWindow() override;
 
   HWND GetHandle() const { return hwnd_; }
diff --git a/include/cru/platform/gui/win/InputMethod.h b/include/cru/platform/gui/win/InputMethod.h
index a69490c7..ab11aafa 100644
--- a/include/cru/platform/gui/win/InputMethod.h
+++ b/include/cru/platform/gui/win/InputMethod.h
@@ -11,7 +11,7 @@
 #include <imm.h>
 
 namespace cru::platform::gui::win {
-class CRU_WIN_GUI_API AutoHIMC : public Object {
+class CRU_WIN_GUI_API AutoHIMC {
   CRU_DEFINE_CLASS_LOG_TAG("AutoHIMC")
 
  public:
diff --git a/include/cru/platform/gui/win/Resource.h b/include/cru/platform/gui/win/Resource.h
index 2e2a225c..98853ed7 100644
--- a/include/cru/platform/gui/win/Resource.h
+++ b/include/cru/platform/gui/win/Resource.h
@@ -13,9 +13,6 @@ class CRU_WIN_GUI_API WinNativeResource : public Object,
   WinNativeResource() = default;
 
  public:
-  CRU_DELETE_COPY(WinNativeResource)
-  CRU_DELETE_MOVE(WinNativeResource)
-
   ~WinNativeResource() override = default;
 
  public:
diff --git a/include/cru/platform/gui/win/WindowClass.h b/include/cru/platform/gui/win/WindowClass.h
index 50729887..900595e6 100644
--- a/include/cru/platform/gui/win/WindowClass.h
+++ b/include/cru/platform/gui/win/WindowClass.h
@@ -7,10 +7,6 @@ namespace cru::platform::gui::win {
 class CRU_WIN_GUI_API WindowClass : public Object {
  public:
   WindowClass(std::wstring name, WNDPROC window_proc, HINSTANCE h_instance);
-
-  CRU_DELETE_COPY(WindowClass)
-  CRU_DELETE_MOVE(WindowClass)
-
   ~WindowClass() override = default;
 
   const wchar_t* GetName() const { return name_.c_str(); }
diff --git a/include/cru/platform/gui/win/WindowNativeMessageEventArgs.h b/include/cru/platform/gui/win/WindowNativeMessageEventArgs.h
index 1b5a233c..3a89b786 100644
--- a/include/cru/platform/gui/win/WindowNativeMessageEventArgs.h
+++ b/include/cru/platform/gui/win/WindowNativeMessageEventArgs.h
@@ -11,13 +11,10 @@ struct CRU_WIN_GUI_API WindowNativeMessage {
   LPARAM l_param;
 };
 
-class CRU_WIN_GUI_API WindowNativeMessageEventArgs : public Object {
+class CRU_WIN_GUI_API WindowNativeMessageEventArgs {
  public:
   WindowNativeMessageEventArgs(const WindowNativeMessage& message)
       : message_(message) {}
-  CRU_DEFAULT_COPY(WindowNativeMessageEventArgs)
-  CRU_DEFAULT_MOVE(WindowNativeMessageEventArgs)
-  ~WindowNativeMessageEventArgs() override = default;
 
   const WindowNativeMessage& GetWindowMessage() const { return message_; }
 
diff --git a/include/cru/ui/ThemeManager.h b/include/cru/ui/ThemeManager.h
index 5e24a159..ab9efcff 100644
--- a/include/cru/ui/ThemeManager.h
+++ b/include/cru/ui/ThemeManager.h
@@ -15,9 +15,6 @@ class CRU_UI_API ThemeManager : public Object {
   ThemeManager();
 
  public:
-  CRU_DELETE_COPY(ThemeManager)
-  CRU_DELETE_MOVE(ThemeManager)
-
   ~ThemeManager() override;
 
   std::vector<ThemeResourceDictionary*> GetThemeResourceDictionaryList() const;
diff --git a/include/cru/ui/ThemeResourceDictionary.h b/include/cru/ui/ThemeResourceDictionary.h
index e7463b12..f28a61db 100644
--- a/include/cru/ui/ThemeResourceDictionary.h
+++ b/include/cru/ui/ThemeResourceDictionary.h
@@ -32,10 +32,6 @@ class CRU_UI_API ThemeResourceDictionary : public Object {
 
   explicit ThemeResourceDictionary(xml::XmlElementNode* xml_root,
                                    bool clone = true);
-
-  CRU_DELETE_COPY(ThemeResourceDictionary)
-  CRU_DELETE_MOVE(ThemeResourceDictionary)
-
   ~ThemeResourceDictionary() override;
 
  public:
diff --git a/include/cru/ui/components/Component.h b/include/cru/ui/components/Component.h
index ae742aae..d44e6728 100644
--- a/include/cru/ui/components/Component.h
+++ b/include/cru/ui/components/Component.h
@@ -14,10 +14,6 @@ class CRU_UI_API Component : public Object,
                              public DeleteLaterImpl {
  public:
   Component() = default;
-
-  CRU_DELETE_COPY(Component)
-  CRU_DELETE_MOVE(Component)
-
   ~Component() = default;
 
   virtual controls::Control* GetRootControl() = 0;
diff --git a/include/cru/ui/controls/Control.h b/include/cru/ui/controls/Control.h
index 7301ecd8..d70854fe 100644
--- a/include/cru/ui/controls/Control.h
+++ b/include/cru/ui/controls/Control.h
@@ -29,10 +29,6 @@ class CRU_UI_API Control : public Object,
   Control();
 
  public:
-  Control(const Control& other) = delete;
-  Control(Control&& other) = delete;
-  Control& operator=(const Control& other) = delete;
-  Control& operator=(Control&& other) = delete;
   ~Control() override;
 
  public:
diff --git a/include/cru/ui/controls/TextHostControlService.h b/include/cru/ui/controls/TextHostControlService.h
index a945e427..529225a7 100644
--- a/include/cru/ui/controls/TextHostControlService.h
+++ b/include/cru/ui/controls/TextHostControlService.h
@@ -30,7 +30,7 @@ struct CRU_UI_API ITextHostControl : virtual Interface {
 
 class TextHostControlService;
 
-class TextControlMovePattern : public Object {
+class TextControlMovePattern {
  public:
   static TextControlMovePattern kLeft;
   static TextControlMovePattern kRight;
@@ -57,11 +57,6 @@ class TextControlMovePattern : public Object {
         key_bind_(key_bind),
         move_function_(move_function) {}
 
-  CRU_DEFAULT_COPY(TextControlMovePattern)
-  CRU_DEFAULT_MOVE(TextControlMovePattern)
-
-  ~TextControlMovePattern() override = default;
-
  public:
   std::string GetName() const { return name_; }
   helper::ShortcutKeyBind GetKeyBind() const { return key_bind_; }
@@ -81,10 +76,6 @@ class CRU_UI_API TextHostControlService : public Object {
 
  public:
   TextHostControlService(Control* control);
-
-  CRU_DELETE_COPY(TextHostControlService)
-  CRU_DELETE_MOVE(TextHostControlService)
-
   ~TextHostControlService();
 
  public:
diff --git a/include/cru/ui/controls/TreeView.h b/include/cru/ui/controls/TreeView.h
index dc74750a..f4938259 100644
--- a/include/cru/ui/controls/TreeView.h
+++ b/include/cru/ui/controls/TreeView.h
@@ -14,9 +14,6 @@ class CRU_UI_API TreeViewItem : public Object {
   ~TreeViewItem() override;
 
  public:
-  CRU_DELETE_COPY(TreeViewItem)
-  CRU_DELETE_MOVE(TreeViewItem)
-
   TreeView* GetTreeView() { return tree_view_; }
   TreeViewItem* GetParent() { return parent_; }
 
diff --git a/include/cru/ui/events/FocusChangeEventArgs.h b/include/cru/ui/events/FocusChangeEventArgs.h
index aaef25b4..922803b9 100644
--- a/include/cru/ui/events/FocusChangeEventArgs.h
+++ b/include/cru/ui/events/FocusChangeEventArgs.h
@@ -8,11 +8,6 @@ class CRU_UI_API FocusChangeEventArgs : public UiEventArgs {
   FocusChangeEventArgs(Object* sender, Object* original_sender,
                        const bool is_window = false)
       : UiEventArgs(sender, original_sender), is_window_(is_window) {}
-  FocusChangeEventArgs(const FocusChangeEventArgs& other) = default;
-  FocusChangeEventArgs(FocusChangeEventArgs&& other) = default;
-  FocusChangeEventArgs& operator=(const FocusChangeEventArgs& other) = default;
-  FocusChangeEventArgs& operator=(FocusChangeEventArgs&& other) = default;
-  ~FocusChangeEventArgs() override = default;
 
   // Return whether the focus change is caused by the window-wide focus change.
   bool IsWindow() const { return is_window_; }
diff --git a/include/cru/ui/events/KeyEventArgs.h b/include/cru/ui/events/KeyEventArgs.h
index bf6c8c0f..b0d6b769 100644
--- a/include/cru/ui/events/KeyEventArgs.h
+++ b/include/cru/ui/events/KeyEventArgs.h
@@ -12,11 +12,6 @@ class CRU_UI_API KeyEventArgs : public UiEventArgs {
       : UiEventArgs(sender, original_sender),
         key_code_(key_code),
         key_modifier_(key_modifier) {}
-  KeyEventArgs(const KeyEventArgs& other) = default;
-  KeyEventArgs(KeyEventArgs&& other) = default;
-  KeyEventArgs& operator=(const KeyEventArgs& other) = default;
-  KeyEventArgs& operator=(KeyEventArgs&& other) = default;
-  ~KeyEventArgs() override = default;
 
   platform::gui::KeyCode GetKeyCode() const { return key_code_; }
   platform::gui::KeyModifier GetKeyModifier() const { return key_modifier_; }
diff --git a/include/cru/ui/events/MouseButtonEventArgs.h b/include/cru/ui/events/MouseButtonEventArgs.h
index 57a84cfb..99e95020 100644
--- a/include/cru/ui/events/MouseButtonEventArgs.h
+++ b/include/cru/ui/events/MouseButtonEventArgs.h
@@ -20,11 +20,6 @@ class CRU_UI_API MouseButtonEventArgs : public MouseEventArgs {
       : MouseEventArgs(sender, original_sender),
         button_(button),
         key_modifier_(key_modifier) {}
-  MouseButtonEventArgs(const MouseButtonEventArgs& other) = default;
-  MouseButtonEventArgs(MouseButtonEventArgs&& other) = default;
-  MouseButtonEventArgs& operator=(const MouseButtonEventArgs& other) = default;
-  MouseButtonEventArgs& operator=(MouseButtonEventArgs&& other) = default;
-  ~MouseButtonEventArgs() override = default;
 
   platform::gui::MouseButton GetButton() const { return button_; }
   platform::gui::KeyModifier GetKeyModifier() const { return key_modifier_; }
diff --git a/include/cru/ui/events/MouseEventArgs.h b/include/cru/ui/events/MouseEventArgs.h
index 1320002d..081b3a6d 100644
--- a/include/cru/ui/events/MouseEventArgs.h
+++ b/include/cru/ui/events/MouseEventArgs.h
@@ -11,11 +11,6 @@ class CRU_UI_API MouseEventArgs : public UiEventArgs {
   MouseEventArgs(Object* sender, Object* original_sender,
                  const std::optional<Point>& point = std::nullopt)
       : UiEventArgs(sender, original_sender), point_(point) {}
-  MouseEventArgs(const MouseEventArgs& other) = default;
-  MouseEventArgs(MouseEventArgs&& other) = default;
-  MouseEventArgs& operator=(const MouseEventArgs& other) = default;
-  MouseEventArgs& operator=(MouseEventArgs&& other) = default;
-  ~MouseEventArgs() override = default;
 
   // This point is relative to window client lefttop.
   Point GetPoint() const { return point_.value_or(Point{}); }
diff --git a/include/cru/ui/events/MouseWheelEventArgs.h b/include/cru/ui/events/MouseWheelEventArgs.h
index 9ed63924..3287122c 100644
--- a/include/cru/ui/events/MouseWheelEventArgs.h
+++ b/include/cru/ui/events/MouseWheelEventArgs.h
@@ -12,11 +12,6 @@ class CRU_UI_API MouseWheelEventArgs : public MouseEventArgs {
       : MouseEventArgs(sender, original_sender, point),
         delta_(delta),
         key_modifier_(key_modifier) {}
-  MouseWheelEventArgs(const MouseWheelEventArgs& other) = default;
-  MouseWheelEventArgs(MouseWheelEventArgs&& other) = default;
-  MouseWheelEventArgs& operator=(const MouseWheelEventArgs& other) = default;
-  MouseWheelEventArgs& operator=(MouseWheelEventArgs&& other) = default;
-  ~MouseWheelEventArgs() override = default;
 
   // Positive means down; Negative means up.
   float GetDelta() const { return delta_; }
diff --git a/include/cru/ui/events/PaintEventArgs.h b/include/cru/ui/events/PaintEventArgs.h
index 934c6c8c..823bb222 100644
--- a/include/cru/ui/events/PaintEventArgs.h
+++ b/include/cru/ui/events/PaintEventArgs.h
@@ -11,11 +11,6 @@ class CRU_UI_API PaintEventArgs : public UiEventArgs {
   PaintEventArgs(Object* sender, Object* original_sender,
                  platform::graphics::IPainter* painter)
       : UiEventArgs(sender, original_sender), painter_(painter) {}
-  PaintEventArgs(const PaintEventArgs& other) = default;
-  PaintEventArgs(PaintEventArgs&& other) = default;
-  PaintEventArgs& operator=(const PaintEventArgs& other) = default;
-  PaintEventArgs& operator=(PaintEventArgs&& other) = default;
-  ~PaintEventArgs() = default;
 
   platform::graphics::IPainter* GetPainter() const { return painter_; }
 
diff --git a/include/cru/ui/events/UiEventArgs.h b/include/cru/ui/events/UiEventArgs.h
index fff84edd..bf8937ca 100644
--- a/include/cru/ui/events/UiEventArgs.h
+++ b/include/cru/ui/events/UiEventArgs.h
@@ -7,12 +7,6 @@ class CRU_UI_API UiEventArgs : public Object {
   UiEventArgs(Object* sender, Object* original_sender)
       : sender_(sender), original_sender_(original_sender), handled_(false) {}
 
-  UiEventArgs(const UiEventArgs& other) = default;
-  UiEventArgs(UiEventArgs&& other) = default;
-  UiEventArgs& operator=(const UiEventArgs& other) = default;
-  UiEventArgs& operator=(UiEventArgs&& other) = default;
-  ~UiEventArgs() override = default;
-
   Object* GetSender() const { return sender_; }
 
   Object* GetOriginalSender() const { return original_sender_; }
diff --git a/include/cru/ui/helper/ClickDetector.h b/include/cru/ui/helper/ClickDetector.h
index b83f0e20..037b015e 100644
--- a/include/cru/ui/helper/ClickDetector.h
+++ b/include/cru/ui/helper/ClickDetector.h
@@ -45,10 +45,6 @@ class ClickDetector : public Object {
 
  public:
   explicit ClickDetector(controls::Control* control);
-
-  CRU_DELETE_COPY(ClickDetector)
-  CRU_DELETE_MOVE(ClickDetector)
-
   ~ClickDetector() override = default;
 
   controls::Control* GetControl() const { return control_; }
diff --git a/include/cru/ui/helper/ShortcutHub.h b/include/cru/ui/helper/ShortcutHub.h
index a5973ab5..d2c9952b 100644
--- a/include/cru/ui/helper/ShortcutHub.h
+++ b/include/cru/ui/helper/ShortcutHub.h
@@ -97,10 +97,6 @@ class CRU_UI_API ShortcutHub : public Object {
   CRU_DEFINE_CLASS_LOG_TAG("ShortcutHub")
  public:
   ShortcutHub() = default;
-
-  CRU_DELETE_COPY(ShortcutHub)
-  CRU_DELETE_MOVE(ShortcutHub)
-
   ~ShortcutHub() override = default;
 
   int RegisterShortcut(std::string name, ShortcutKeyBind bind,
diff --git a/include/cru/ui/host/WindowHost.h b/include/cru/ui/host/WindowHost.h
index e2391125..6e7a0f2e 100644
--- a/include/cru/ui/host/WindowHost.h
+++ b/include/cru/ui/host/WindowHost.h
@@ -31,10 +31,6 @@ class CRU_UI_API WindowHost : public Object, public SelfResolvable<WindowHost> {
 
  public:
   explicit WindowHost(controls::Control* root_control);
-
-  CRU_DELETE_COPY(WindowHost)
-  CRU_DELETE_MOVE(WindowHost)
-
   ~WindowHost() override;
 
  public:
diff --git a/include/cru/ui/mapper/Mapper.h b/include/cru/ui/mapper/Mapper.h
index 709288f5..a4507fc9 100644
--- a/include/cru/ui/mapper/Mapper.h
+++ b/include/cru/ui/mapper/Mapper.h
@@ -17,10 +17,6 @@ class BasicMapper;
 class CRU_UI_API MapperBase : public Object {
  public:
   explicit MapperBase(std::type_index type_index);
-
-  CRU_DELETE_COPY(MapperBase)
-  CRU_DELETE_MOVE(MapperBase)
-
   ~MapperBase() override = default;
 
  public:
diff --git a/include/cru/ui/render/RenderObject.h b/include/cru/ui/render/RenderObject.h
index 266045e3..34761b51 100644
--- a/include/cru/ui/render/RenderObject.h
+++ b/include/cru/ui/render/RenderObject.h
@@ -66,8 +66,6 @@ class CRU_UI_API RenderObject : public Object {
   RenderObject() = default;
 
  public:
-  CRU_DELETE_COPY(RenderObject)
-  CRU_DELETE_MOVE(RenderObject)
   ~RenderObject() override = default;
 
   controls::Control* GetAttachedControl() const { return control_; }
diff --git a/include/cru/ui/render/ScrollBar.h b/include/cru/ui/render/ScrollBar.h
index fbe14244..8c531489 100644
--- a/include/cru/ui/render/ScrollBar.h
+++ b/include/cru/ui/render/ScrollBar.h
@@ -45,10 +45,6 @@ std::string CRU_UI_API GenerateScrollBarThemeColorKey(ScrollBarBrushUsageKind us
 class CRU_UI_API ScrollBar : public Object {
  public:
   ScrollBar(ScrollRenderObject* render_object, Direction direction);
-
-  CRU_DELETE_COPY(ScrollBar)
-  CRU_DELETE_MOVE(ScrollBar)
-
   ~ScrollBar() override;
 
  public:
@@ -213,10 +209,6 @@ class CRU_UI_API VerticalScrollBar : public ScrollBar {
 class CRU_UI_API ScrollBarDelegate : public Object {
  public:
   explicit ScrollBarDelegate(ScrollRenderObject* render_object);
-
-  CRU_DELETE_COPY(ScrollBarDelegate)
-  CRU_DELETE_MOVE(ScrollBarDelegate)
-
   ~ScrollBarDelegate() override = default;
 
  public:
diff --git a/include/cru/ui/render/TreeRenderObject.h b/include/cru/ui/render/TreeRenderObject.h
index 9cb8581e..de6e6f9b 100644
--- a/include/cru/ui/render/TreeRenderObject.h
+++ b/include/cru/ui/render/TreeRenderObject.h
@@ -13,8 +13,6 @@ class CRU_UI_API TreeRenderObjectItem : public Object {
                                 TreeRenderObjectItem* parent);
 
  public:
-  CRU_DELETE_COPY(TreeRenderObjectItem)
-  CRU_DELETE_MOVE(TreeRenderObjectItem)
   ~TreeRenderObjectItem() override;
 
   RenderObject* GetRenderObject() { return render_object_; }
diff --git a/include/cru/ui/style/StyleRule.h b/include/cru/ui/style/StyleRule.h
index e7f4d390..382cd664 100644
--- a/include/cru/ui/style/StyleRule.h
+++ b/include/cru/ui/style/StyleRule.h
@@ -9,7 +9,7 @@ namespace cru::ui::style {
  * \brief An immutable style rule contains a condition and a styler.
  * \remarks This class is immutable and has value semantics.
  */
-class CRU_UI_API StyleRule : public Object {
+class CRU_UI_API StyleRule {
  public:
   static ClonablePtr<StyleRule> Create(ClonablePtr<Condition> condition,
                                        ClonablePtr<Styler> styler,
@@ -21,11 +21,6 @@ class CRU_UI_API StyleRule : public Object {
   StyleRule(ClonablePtr<Condition> condition, ClonablePtr<Styler> styler,
             std::string name = {});
 
-  CRU_DEFAULT_COPY(StyleRule)
-  CRU_DEFAULT_MOVE(StyleRule)
-
-  ~StyleRule() override = default;
-
  public:
   std::string GetName() const { return name_; }
   Condition* GetCondition() const { return condition_.get(); }
diff --git a/include/cru/ui/style/StyleRuleSet.h b/include/cru/ui/style/StyleRuleSet.h
index fae9ab5f..0b7a237d 100644
--- a/include/cru/ui/style/StyleRuleSet.h
+++ b/include/cru/ui/style/StyleRuleSet.h
@@ -17,10 +17,6 @@ class CRU_UI_API StyleRuleSet : public Object, public model::IListChangeNotify {
  public:
   StyleRuleSet() = default;
   explicit StyleRuleSet(std::shared_ptr<StyleRuleSet> parent);
-
-  CRU_DELETE_COPY(StyleRuleSet)
-  CRU_DELETE_MOVE(StyleRuleSet)
-
   ~StyleRuleSet() override = default;
 
  public:
diff --git a/src/platform/gui/osx/ClipboardPrivate.h b/src/platform/gui/osx/ClipboardPrivate.h
index 5019ba17..7078e24e 100644
--- a/src/platform/gui/osx/ClipboardPrivate.h
+++ b/src/platform/gui/osx/ClipboardPrivate.h
@@ -10,10 +10,6 @@ class OsxClipboardPrivate : public Object {
   CRU_DEFINE_CLASS_LOG_TAG("OsxClipboardPrivate")
  public:
   explicit OsxClipboardPrivate(NSPasteboard* pasteboard);
-
-  CRU_DELETE_COPY(OsxClipboardPrivate)
-  CRU_DELETE_MOVE(OsxClipboardPrivate)
-
   ~OsxClipboardPrivate();
 
  public:
diff --git a/src/platform/gui/win/TimerManager.h b/src/platform/gui/win/TimerManager.h
index 2492a048..d5a07f7f 100644
--- a/src/platform/gui/win/TimerManager.h
+++ b/src/platform/gui/win/TimerManager.h
@@ -30,10 +30,6 @@ struct TimerInfo {
 class TimerManager : public Object {
  public:
   TimerManager(GodWindow* god_window);
-
-  CRU_DELETE_COPY(TimerManager)
-  CRU_DELETE_MOVE(TimerManager)
-
   ~TimerManager() override = default;
 
   // Period is in milliseconds. When type is immediate, it is not checked and
diff --git a/src/platform/gui/win/WindowManager.h b/src/platform/gui/win/WindowManager.h
index 062f2002..1bbcd25e 100644
--- a/src/platform/gui/win/WindowManager.h
+++ b/src/platform/gui/win/WindowManager.h
@@ -15,10 +15,6 @@ class WindowClass;
 class WindowManager : public Object {
  public:
   WindowManager(WinUiApplication* application);
-
-  CRU_DELETE_COPY(WindowManager)
-  CRU_DELETE_MOVE(WindowManager)
-
   ~WindowManager() override;
 
   // Get the general window class for creating ordinary window.