diff --git a/Applications/About/main.cpp b/Applications/About/main.cpp
index e89a903c14..8b29c89b3c 100644
--- a/Applications/About/main.cpp
+++ b/Applications/About/main.cpp
@@ -34,7 +34,7 @@ int main(int argc, char** argv)
     label->set_font(Font::default_bold_font());
     label->set_text("Serenity Operating System");
     label->set_size_policy(SizePolicy::Fill, SizePolicy::Fixed);
-    label->set_preferred_size({ 0, 11 });
+    label->set_preferred_size(0, 11);
 
     utsname uts;
     int rc = uname(&uts);
@@ -43,12 +43,12 @@ int main(int argc, char** argv)
     auto* version_label = new GLabel(widget);
     version_label->set_text(String::format("Version %s", uts.release));
     version_label->set_size_policy(SizePolicy::Fill, SizePolicy::Fixed);
-    version_label->set_preferred_size({ 0, 11 });
+    version_label->set_preferred_size(0, 11);
 
     auto* quit_button = new GButton(widget);
     quit_button->set_text("Okay");
     quit_button->set_size_policy(SizePolicy::Fixed, SizePolicy::Fixed);
-    quit_button->set_preferred_size({ 100, 20 });
+    quit_button->set_preferred_size(100, 20);
     quit_button->on_click = [](GButton&) {
         GApplication::the().quit(0);
     };
diff --git a/Applications/FileManager/main.cpp b/Applications/FileManager/main.cpp
index d1cf93c453..905f58ad7c 100644
--- a/Applications/FileManager/main.cpp
+++ b/Applications/FileManager/main.cpp
@@ -48,7 +48,7 @@ int main(int argc, char** argv)
     auto* main_toolbar = new GToolBar(widget);
     auto* location_toolbar = new GToolBar(widget);
     location_toolbar->layout()->set_margins({ 6, 3, 6, 3 });
-    location_toolbar->set_preferred_size({ 0, 25 });
+    location_toolbar->set_preferred_size(0, 25);
 
     auto* location_label = new GLabel("Location: ", location_toolbar);
     location_label->size_to_fit();
@@ -60,7 +60,7 @@ int main(int argc, char** argv)
     auto file_system_model = GFileSystemModel::create("/", GFileSystemModel::Mode::DirectoriesOnly);
     tree_view->set_model(file_system_model);
     tree_view->set_size_policy(SizePolicy::Fixed, SizePolicy::Fill);
-    tree_view->set_preferred_size({ 200, 0 });
+    tree_view->set_preferred_size(200, 0);
     auto* directory_view = new DirectoryView(splitter);
 
     auto* statusbar = new GStatusBar(widget);
diff --git a/Applications/IRCClient/IRCAppWindow.cpp b/Applications/IRCClient/IRCAppWindow.cpp
index c28fd00095..de3ef43aa3 100644
--- a/Applications/IRCClient/IRCAppWindow.cpp
+++ b/Applications/IRCClient/IRCAppWindow.cpp
@@ -174,7 +174,7 @@ void IRCAppWindow::setup_widgets()
     m_window_list->set_model(m_client.client_window_list_model());
     m_window_list->set_activates_on_selection(true);
     m_window_list->set_size_policy(SizePolicy::Fixed, SizePolicy::Fill);
-    m_window_list->set_preferred_size({ 100, 0 });
+    m_window_list->set_preferred_size(100, 0);
     m_window_list->on_activation = [this](auto& index) {
         set_active_window(m_client.window_at(index.row()));
     };
diff --git a/Applications/IRCClient/IRCWindow.cpp b/Applications/IRCClient/IRCWindow.cpp
index ba3bfbea47..30a5a5858c 100644
--- a/Applications/IRCClient/IRCWindow.cpp
+++ b/Applications/IRCClient/IRCWindow.cpp
@@ -34,7 +34,7 @@ IRCWindow::IRCWindow(IRCClient& client, void* owner, Type type, const String& na
         auto* member_view = new GTableView(container);
         member_view->set_headers_visible(false);
         member_view->set_size_policy(SizePolicy::Fixed, SizePolicy::Fill);
-        member_view->set_preferred_size({ 100, 0 });
+        member_view->set_preferred_size(100, 0);
         member_view->set_alternating_row_colors(false);
         member_view->set_model(channel().member_model());
         member_view->set_activates_on_selection(true);
@@ -42,7 +42,7 @@ IRCWindow::IRCWindow(IRCClient& client, void* owner, Type type, const String& na
 
     m_text_editor = new GTextEditor(GTextEditor::SingleLine, this);
     m_text_editor->set_size_policy(SizePolicy::Fill, SizePolicy::Fixed);
-    m_text_editor->set_preferred_size({ 0, 19 });
+    m_text_editor->set_preferred_size(0, 19);
     m_text_editor->on_return_pressed = [this] {
         if (m_type == Channel)
             m_client.handle_user_input_in_channel(m_name, m_text_editor->text());
diff --git a/Applications/Launcher/main.cpp b/Applications/Launcher/main.cpp
index e9b1f97f04..3884232352 100644
--- a/Applications/Launcher/main.cpp
+++ b/Applications/Launcher/main.cpp
@@ -45,7 +45,7 @@ public:
         set_tooltip(name);
         set_button_style(ButtonStyle::CoolBar);
         set_icon(GraphicsBitmap::load_from_file(icon_path));
-        set_preferred_size({ 50, 50 });
+        set_preferred_size(50, 50);
         set_size_policy(SizePolicy::Fixed, SizePolicy::Fixed);
         on_click = [this](GButton&) {
             pid_t child_pid = fork();
diff --git a/Applications/PaintBrush/ColorDialog.cpp b/Applications/PaintBrush/ColorDialog.cpp
index e1e7eb90ef..c05c24dd8b 100644
--- a/Applications/PaintBrush/ColorDialog.cpp
+++ b/Applications/PaintBrush/ColorDialog.cpp
@@ -41,13 +41,13 @@ void ColorDialog::build()
     right_vertical_container->layout()->add_spacer();
     auto* cancel_button = new GButton("Cancel", right_vertical_container);
     cancel_button->set_size_policy(SizePolicy::Fill, SizePolicy::Fixed);
-    cancel_button->set_preferred_size({ 0, 20 });
+    cancel_button->set_preferred_size(0, 20);
     cancel_button->on_click = [&](auto&) {
         done(GDialog::ExecCancel);
     };
     auto* ok_button = new GButton("Okay", right_vertical_container);
     ok_button->set_size_policy(SizePolicy::Fill, SizePolicy::Fixed);
-    ok_button->set_preferred_size({ 0, 20 });
+    ok_button->set_preferred_size(0, 20);
     ok_button->on_click = [&](auto&) {
         done(GDialog::ExecOK);
     };
@@ -55,7 +55,7 @@ void ColorDialog::build()
     auto make_spinbox = [&](RGBComponent component, int initial_value) {
          auto* spinbox = new GSpinBox(left_vertical_container);
          spinbox->set_size_policy(SizePolicy::Fill, SizePolicy::Fixed);
-         spinbox->set_preferred_size({ 0, 20 });
+         spinbox->set_preferred_size(0, 20);
          spinbox->set_min(0);
          spinbox->set_max(255);
          spinbox->set_value(initial_value);
diff --git a/Applications/PaintBrush/PaletteWidget.cpp b/Applications/PaintBrush/PaletteWidget.cpp
index 40ca90d24f..19c1ecbc8b 100644
--- a/Applications/PaintBrush/PaletteWidget.cpp
+++ b/Applications/PaintBrush/PaletteWidget.cpp
@@ -53,7 +53,7 @@ PaletteWidget::PaletteWidget(PaintableWidget& paintable_widget, GWidget* parent)
     set_background_color(Color::WarmGray);
 
     set_size_policy(SizePolicy::Fill, SizePolicy::Fixed);
-    set_preferred_size({ 0, 34 });
+    set_preferred_size(0, 34);
 
     m_secondary_color_widget = new GFrame(this);
     m_secondary_color_widget->set_frame_thickness(2);
diff --git a/Applications/PaintBrush/ToolboxWidget.cpp b/Applications/PaintBrush/ToolboxWidget.cpp
index 07475cd504..b4ea7a430b 100644
--- a/Applications/PaintBrush/ToolboxWidget.cpp
+++ b/Applications/PaintBrush/ToolboxWidget.cpp
@@ -41,7 +41,7 @@ ToolboxWidget::ToolboxWidget(GWidget* parent)
     set_frame_shadow(FrameShadow::Raised);
 
     set_size_policy(SizePolicy::Fixed, SizePolicy::Fill);
-    set_preferred_size({ 48, 0 });
+    set_preferred_size(48, 0);
 
     set_layout(make<GBoxLayout>(Orientation::Vertical));
     layout()->set_margins({ 4, 4, 4, 4 });
@@ -49,7 +49,7 @@ ToolboxWidget::ToolboxWidget(GWidget* parent)
     auto add_tool = [&](const StringView& name, const StringView& icon_name, OwnPtr<Tool>&& tool) {
         auto* button = new ToolButton(name, this, move(tool));
         button->set_size_policy(SizePolicy::Fill, SizePolicy::Fixed);
-        button->set_preferred_size({ 0, 32 });
+        button->set_preferred_size(0, 32);
         button->set_checkable(true);
         button->set_exclusive(true);
 
diff --git a/Applications/ProcessManager/MemoryStatsWidget.cpp b/Applications/ProcessManager/MemoryStatsWidget.cpp
index a31b0746a9..d11f601af5 100644
--- a/Applications/ProcessManager/MemoryStatsWidget.cpp
+++ b/Applications/ProcessManager/MemoryStatsWidget.cpp
@@ -16,7 +16,7 @@ MemoryStatsWidget::MemoryStatsWidget(GraphWidget& graph, GWidget* parent)
     if (!m_proc_memstat.open(CIODevice::OpenMode::ReadOnly))
         ASSERT_NOT_REACHED();
     set_size_policy(SizePolicy::Fill, SizePolicy::Fixed);
-    set_preferred_size({ 0, 72 });
+    set_preferred_size(0, 72);
 
     set_layout(make<GBoxLayout>(Orientation::Vertical));
     layout()->set_margins({ 0, 8, 0, 0 });
@@ -26,7 +26,7 @@ MemoryStatsWidget::MemoryStatsWidget(GraphWidget& graph, GWidget* parent)
         auto* container = new GWidget(this);
         container->set_layout(make<GBoxLayout>(Orientation::Horizontal));
         container->set_size_policy(SizePolicy::Fixed, SizePolicy::Fixed);
-        container->set_preferred_size({ 255, 12 });
+        container->set_preferred_size(255, 12);
         auto* description_label = new GLabel(description, container);
         description_label->set_font(Font::default_bold_font());
         description_label->set_text_alignment(TextAlignment::CenterLeft);
diff --git a/Applications/ProcessManager/main.cpp b/Applications/ProcessManager/main.cpp
index 0d35c2c2e3..dd5193b21b 100644
--- a/Applications/ProcessManager/main.cpp
+++ b/Applications/ProcessManager/main.cpp
@@ -41,7 +41,7 @@ int main(int argc, char** argv)
     cpu_graph_group_box->set_layout(make<GBoxLayout>(Orientation::Vertical));
     cpu_graph_group_box->layout()->set_margins({ 6, 16, 6, 6 });
     cpu_graph_group_box->set_size_policy(SizePolicy::Fill, SizePolicy::Fixed);
-    cpu_graph_group_box->set_preferred_size({ 0, 120 });
+    cpu_graph_group_box->set_preferred_size(0, 120);
     auto* cpu_graph = new GraphWidget(cpu_graph_group_box);
     cpu_graph->set_max(100);
     cpu_graph->set_text_color(Color::Green);
@@ -54,7 +54,7 @@ int main(int argc, char** argv)
     memory_graph_group_box->set_layout(make<GBoxLayout>(Orientation::Vertical));
     memory_graph_group_box->layout()->set_margins({ 6, 16, 6, 6 });
     memory_graph_group_box->set_size_policy(SizePolicy::Fill, SizePolicy::Fixed);
-    memory_graph_group_box->set_preferred_size({ 0, 120 });
+    memory_graph_group_box->set_preferred_size(0, 120);
     auto* memory_graph = new GraphWidget(memory_graph_group_box);
     memory_graph->set_text_color(Color::Cyan);
     memory_graph->set_graph_color(Color::from_rgb(0x00bbbb));
diff --git a/Applications/Taskbar/TaskbarWindow.cpp b/Applications/Taskbar/TaskbarWindow.cpp
index 25207e4883..f25e997dc1 100644
--- a/Applications/Taskbar/TaskbarWindow.cpp
+++ b/Applications/Taskbar/TaskbarWindow.cpp
@@ -50,7 +50,7 @@ GButton* TaskbarWindow::create_button(const WindowIdentifier& identifier)
 {
     auto* button = new TaskbarButton(identifier, main_widget());
     button->set_size_policy(SizePolicy::Fixed, SizePolicy::Fixed);
-    button->set_preferred_size({ 140, 22 });
+    button->set_preferred_size(140, 22);
     button->set_checkable(true);
     button->set_text_alignment(TextAlignment::CenterLeft);
     return button;
diff --git a/Applications/Terminal/Terminal.cpp b/Applications/Terminal/Terminal.cpp
index 41019778fb..bbd445f47c 100644
--- a/Applications/Terminal/Terminal.cpp
+++ b/Applications/Terminal/Terminal.cpp
@@ -957,7 +957,7 @@ void Terminal::set_size(u16 columns, u16 rows)
     m_pixel_height = (frame_thickness() * 2) + (m_inset * 2) + (m_rows * (font().glyph_height() + m_line_spacing)) - m_line_spacing;
 
     set_size_policy(SizePolicy::Fixed, SizePolicy::Fixed);
-    set_preferred_size({ m_pixel_width, m_pixel_height });
+    set_preferred_size(m_pixel_width, m_pixel_height);
 
     m_needs_background_fill = true;
     force_repaint();
diff --git a/Applications/Terminal/main.cpp b/Applications/Terminal/main.cpp
index 1fc3f749f4..624e85f2cb 100644
--- a/Applications/Terminal/main.cpp
+++ b/Applications/Terminal/main.cpp
@@ -98,7 +98,7 @@ GWindow* create_settings_window(Terminal& terminal, RefPtr<CConfigFile> config)
     radio_container->layout()->set_margins({ 6, 16, 6, 6 });
     radio_container->set_fill_with_background_color(true);
     radio_container->set_size_policy(SizePolicy::Fill, SizePolicy::Fixed);
-    radio_container->set_preferred_size({ 100, 70 });
+    radio_container->set_preferred_size(100, 70);
 
     auto* sysbell_radio = new GRadioButton("Use (Audible) System Bell", radio_container);
     auto* visbell_radio = new GRadioButton("Use (Visual) Terminal Bell", radio_container);
@@ -113,7 +113,7 @@ GWindow* create_settings_window(Terminal& terminal, RefPtr<CConfigFile> config)
     slider_container->layout()->set_margins({ 6, 16, 6, 6 });
     slider_container->set_fill_with_background_color(true);
     slider_container->set_size_policy(SizePolicy::Fill, SizePolicy::Fixed);
-    slider_container->set_preferred_size({ 100, 50 });
+    slider_container->set_preferred_size(100, 50);
     auto* slider = new GSlider(Orientation::Horizontal, slider_container);
     slider->set_fill_with_background_color(true);
     slider->set_background_color(Color::WarmGray);
diff --git a/Demos/HelloWorld/main.cpp b/Demos/HelloWorld/main.cpp
index ccf87f6ef4..0bc320d9bd 100644
--- a/Demos/HelloWorld/main.cpp
+++ b/Demos/HelloWorld/main.cpp
@@ -26,7 +26,7 @@ int main(int argc, char** argv)
     auto* button = new GButton(main_widget);
     button->set_text("Good-bye");
     button->set_size_policy(SizePolicy::Fill, SizePolicy::Fixed);
-    button->set_preferred_size({ 0, 20 });
+    button->set_preferred_size(0, 20);
     button->on_click = [&](GButton&) {
         app.quit();
     };
diff --git a/Demos/WidgetGallery/main.cpp b/Demos/WidgetGallery/main.cpp
index 93fe3273a5..99b22303b0 100755
--- a/Demos/WidgetGallery/main.cpp
+++ b/Demos/WidgetGallery/main.cpp
@@ -68,7 +68,7 @@ int main(int argc, char** argv)
 
     auto* vertical_slider_container = new GWidget(main_widget);
     vertical_slider_container->set_size_policy(SizePolicy::Fill, SizePolicy::Fixed);
-    vertical_slider_container->set_preferred_size({ 0, 100 });
+    vertical_slider_container->set_preferred_size(0, 100);
     vertical_slider_container->set_layout(make<GBoxLayout>(Orientation::Horizontal));
     auto* vslider1 = new GSlider(Orientation::Vertical, vertical_slider_container);
     (void)vslider1;
@@ -88,13 +88,13 @@ int main(int argc, char** argv)
 
     auto* scrollbar1 = new GScrollBar(Orientation::Horizontal, main_widget);
     scrollbar1->set_size_policy(SizePolicy::Fill, SizePolicy::Fixed);
-    scrollbar1->set_preferred_size({ 0, 16 });
+    scrollbar1->set_preferred_size(0, 16);
     scrollbar1->set_min(0);
     scrollbar1->set_max(100);
     scrollbar1->set_value(50);
     auto* scrollbar2 = new GScrollBar(Orientation::Horizontal, main_widget);
     scrollbar2->set_size_policy(SizePolicy::Fill, SizePolicy::Fixed);
-    scrollbar2->set_preferred_size({ 0, 16 });
+    scrollbar2->set_preferred_size(0, 16);
     scrollbar2->set_enabled(false);
 
     window->show();
diff --git a/Games/Minesweeper/Field.cpp b/Games/Minesweeper/Field.cpp
index 4c0f7792f4..183e070c24 100644
--- a/Games/Minesweeper/Field.cpp
+++ b/Games/Minesweeper/Field.cpp
@@ -467,7 +467,7 @@ void Field::set_field_size(int rows, int columns, int mine_count)
     m_rows = rows;
     m_columns = columns;
     m_mine_count = mine_count;
-    set_preferred_size({ frame_thickness() * 2 + m_columns * square_size(), frame_thickness() * 2 + m_rows * square_size() });
+    set_preferred_size(frame_thickness() * 2 + m_columns * square_size(), frame_thickness() * 2 + m_rows * square_size());
     reset();
     m_on_size_changed(preferred_size());
 }
diff --git a/Games/Minesweeper/main.cpp b/Games/Minesweeper/main.cpp
index 0425547fa4..42029fcfd9 100644
--- a/Games/Minesweeper/main.cpp
+++ b/Games/Minesweeper/main.cpp
@@ -27,7 +27,7 @@ int main(int argc, char** argv)
     auto* container = new GWidget(widget);
     container->set_fill_with_background_color(true);
     container->set_size_policy(SizePolicy::Fill, SizePolicy::Fixed);
-    container->set_preferred_size({ 0, 36 });
+    container->set_preferred_size(0, 36);
     container->set_layout(make<GBoxLayout>(Orientation::Horizontal));
     auto* flag_icon_label = new GLabel(container);
     flag_icon_label->set_icon(GraphicsBitmap::load_from_file("/res/icons/minesweeper/flag.png"));
@@ -35,7 +35,7 @@ int main(int argc, char** argv)
     auto* face_button = new GButton(container);
     face_button->set_button_style(ButtonStyle::CoolBar);
     face_button->set_size_policy(SizePolicy::Fixed, SizePolicy::Fill);
-    face_button->set_preferred_size({ 36, 0 });
+    face_button->set_preferred_size(36, 0);
     auto* time_icon_label = new GLabel(container);
     time_icon_label->set_icon(GraphicsBitmap::load_from_file("/res/icons/minesweeper/timer.png"));
     auto* time_label = new GLabel(container);
diff --git a/Libraries/LibGUI/GFilePicker.cpp b/Libraries/LibGUI/GFilePicker.cpp
index 794fc34cc6..861a8413d3 100644
--- a/Libraries/LibGUI/GFilePicker.cpp
+++ b/Libraries/LibGUI/GFilePicker.cpp
@@ -65,16 +65,16 @@ GFilePicker::GFilePicker(Mode mode, const StringView& path, CObject* parent)
     upper_container->set_layout(make<GBoxLayout>(Orientation::Horizontal));
     upper_container->layout()->set_spacing(4);
     upper_container->set_size_policy(SizePolicy::Fill, SizePolicy::Fixed);
-    upper_container->set_preferred_size({ 0, 26 });
+    upper_container->set_preferred_size(0, 26);
 
     auto* toolbar = new GToolBar(upper_container);
     toolbar->set_size_policy(SizePolicy::Fixed, SizePolicy::Fill);
-    toolbar->set_preferred_size({ 60, 0 });
+    toolbar->set_preferred_size(60, 0);
     toolbar->set_has_frame(false);
 
     auto* location_textbox = new GTextBox(upper_container);
     location_textbox->set_size_policy(SizePolicy::Fill, SizePolicy::Fixed);
-    location_textbox->set_preferred_size({ 0, 20 });
+    location_textbox->set_preferred_size(0, 20);
 
     m_view = new GTableView(vertical_container);
     m_view->set_model(GSortingProxyModel::create(*m_model));
@@ -116,16 +116,16 @@ GFilePicker::GFilePicker(Mode mode, const StringView& path, CObject* parent)
     lower_container->set_layout(make<GBoxLayout>(Orientation::Vertical));
     lower_container->layout()->set_spacing(4);
     lower_container->set_size_policy(SizePolicy::Fill, SizePolicy::Fixed);
-    lower_container->set_preferred_size({ 0, 60 });
+    lower_container->set_preferred_size(0, 60);
 
     auto* filename_container = new GWidget(lower_container);
     filename_container->set_size_policy(SizePolicy::Fill, SizePolicy::Fixed);
-    filename_container->set_preferred_size({ 0, 20 });
+    filename_container->set_preferred_size(0, 20);
     filename_container->set_layout(make<GBoxLayout>(Orientation::Horizontal));
     auto* filename_label = new GLabel("File name:", filename_container);
     filename_label->set_text_alignment(TextAlignment::CenterLeft);
     filename_label->set_size_policy(SizePolicy::Fixed, SizePolicy::Fill);
-    filename_label->set_preferred_size({ 60, 0 });
+    filename_label->set_preferred_size(60, 0);
     auto* filename_textbox = new GTextBox(filename_container);
     if (m_mode == Mode::Save) {
         filename_textbox->set_text("Untitled.txt"); //TODO: replace .txt with a preferred extension
@@ -152,14 +152,14 @@ GFilePicker::GFilePicker(Mode mode, const StringView& path, CObject* parent)
 
     auto* button_container = new GWidget(lower_container);
     button_container->set_size_policy(SizePolicy::Fill, SizePolicy::Fixed);
-    button_container->set_preferred_size({ 0, 20 });
+    button_container->set_preferred_size(0, 20);
     button_container->set_layout(make<GBoxLayout>(Orientation::Horizontal));
     button_container->layout()->set_spacing(4);
     button_container->layout()->add_spacer();
 
     auto* cancel_button = new GButton(button_container);
     cancel_button->set_size_policy(SizePolicy::Fixed, SizePolicy::Fill);
-    cancel_button->set_preferred_size({ 80, 0 });
+    cancel_button->set_preferred_size(80, 0);
     cancel_button->set_text("Cancel");
     cancel_button->on_click = [this](auto&) {
         done(ExecCancel);
@@ -167,7 +167,7 @@ GFilePicker::GFilePicker(Mode mode, const StringView& path, CObject* parent)
 
     auto* ok_button = new GButton(button_container);
     ok_button->set_size_policy(SizePolicy::Fixed, SizePolicy::Fill);
-    ok_button->set_preferred_size({ 80, 0 });
+    ok_button->set_preferred_size(80, 0);
     ok_button->set_text(ok_button_name(m_mode));
     ok_button->on_click = [this, filename_textbox](auto&) {
         FileSystemPath path(String::format("%s/%s", m_model->path().characters(), filename_textbox->text().characters()));
@@ -184,7 +184,7 @@ GFilePicker::GFilePicker(Mode mode, const StringView& path, CObject* parent)
 
     auto* preview_container = new GFrame(horizontal_container);
     preview_container->set_size_policy(SizePolicy::Fixed, SizePolicy::Fill);
-    preview_container->set_preferred_size({ 180, 0 });
+    preview_container->set_preferred_size(180, 0);
     preview_container->set_frame_shape(FrameShape::Container);
     preview_container->set_frame_shadow(FrameShadow::Sunken);
     preview_container->set_frame_thickness(2);
@@ -194,16 +194,16 @@ GFilePicker::GFilePicker(Mode mode, const StringView& path, CObject* parent)
     m_preview_image_label = new GLabel(preview_container);
     m_preview_image_label->set_should_stretch_icon(true);
     m_preview_image_label->set_size_policy(SizePolicy::Fixed, SizePolicy::Fixed);
-    m_preview_image_label->set_preferred_size({ 160, 160 });
+    m_preview_image_label->set_preferred_size(160, 160);
 
     m_preview_name_label = new GLabel(preview_container);
     m_preview_name_label->set_font(Font::default_bold_font());
     m_preview_name_label->set_size_policy(SizePolicy::Fill, SizePolicy::Fixed);
-    m_preview_name_label->set_preferred_size({ 0, m_preview_name_label->font().glyph_height() });
+    m_preview_name_label->set_preferred_size(0, m_preview_name_label->font().glyph_height());
 
     m_preview_geometry_label = new GLabel(preview_container);
     m_preview_geometry_label->set_size_policy(SizePolicy::Fill, SizePolicy::Fixed);
-    m_preview_geometry_label->set_preferred_size({ 0, m_preview_name_label->font().glyph_height() });
+    m_preview_geometry_label->set_preferred_size(0, m_preview_name_label->font().glyph_height());
 }
 
 GFilePicker::~GFilePicker()
diff --git a/Libraries/LibGUI/GInputBox.cpp b/Libraries/LibGUI/GInputBox.cpp
index 089003dbb9..39e7012522 100644
--- a/Libraries/LibGUI/GInputBox.cpp
+++ b/Libraries/LibGUI/GInputBox.cpp
@@ -36,15 +36,15 @@ void GInputBox::build()
 
     auto* label = new GLabel(m_prompt, widget);
     label->set_size_policy(SizePolicy::Fixed, SizePolicy::Fixed);
-    label->set_preferred_size({ text_width, 16 });
+    label->set_preferred_size(text_width, 16);
 
     m_text_editor = new GTextEditor(GTextEditor::SingleLine, widget);
     m_text_editor->set_size_policy(SizePolicy::Fill, SizePolicy::Fixed);
-    m_text_editor->set_preferred_size({ 0, 19 });
+    m_text_editor->set_preferred_size(0, 19);
 
     auto* button_container_outer = new GWidget(widget);
     button_container_outer->set_size_policy(SizePolicy::Fill, SizePolicy::Fixed);
-    button_container_outer->set_preferred_size({ 0, 20 });
+    button_container_outer->set_preferred_size(0, 20);
     button_container_outer->set_layout(make<GBoxLayout>(Orientation::Vertical));
 
     auto* button_container_inner = new GWidget(button_container_outer);
@@ -53,7 +53,7 @@ void GInputBox::build()
 
     m_cancel_button = new GButton(button_container_inner);
     m_cancel_button->set_size_policy(SizePolicy::Fill, SizePolicy::Fixed);
-    m_cancel_button->set_preferred_size({ 0, 20 });
+    m_cancel_button->set_preferred_size(0, 20);
     m_cancel_button->set_text("Cancel");
     m_cancel_button->on_click = [this](auto&) {
         dbgprintf("GInputBox: Cancel button clicked\n");
@@ -62,7 +62,7 @@ void GInputBox::build()
 
     m_ok_button = new GButton(button_container_inner);
     m_ok_button->set_size_policy(SizePolicy::Fill, SizePolicy::Fixed);
-    m_ok_button->set_preferred_size({ 0, 20 });
+    m_ok_button->set_preferred_size(0, 20);
     m_ok_button->set_text("OK");
     m_ok_button->on_click = [this](auto&) {
         dbgprintf("GInputBox: OK button clicked\n");
diff --git a/Libraries/LibGUI/GLabel.cpp b/Libraries/LibGUI/GLabel.cpp
index bba9e4897e..05fb77843f 100644
--- a/Libraries/LibGUI/GLabel.cpp
+++ b/Libraries/LibGUI/GLabel.cpp
@@ -65,5 +65,5 @@ void GLabel::paint_event(GPaintEvent& event)
 void GLabel::size_to_fit()
 {
     set_size_policy(SizePolicy::Fixed, SizePolicy::Fill);
-    set_preferred_size({ font().width(m_text), 0 });
+    set_preferred_size(font().width(m_text), 0);
 }
diff --git a/Libraries/LibGUI/GMessageBox.cpp b/Libraries/LibGUI/GMessageBox.cpp
index 92959300d9..03cab4858f 100644
--- a/Libraries/LibGUI/GMessageBox.cpp
+++ b/Libraries/LibGUI/GMessageBox.cpp
@@ -71,14 +71,14 @@ void GMessageBox::build()
 
         auto* icon_label = new GLabel(message_container);
         icon_label->set_size_policy(SizePolicy::Fixed, SizePolicy::Fixed);
-        icon_label->set_preferred_size({ 32, 32 });
+        icon_label->set_preferred_size(32, 32);
         icon_label->set_icon(icon());
         icon_width = icon_label->icon()->width();
     }
 
     auto* label = new GLabel(m_text, message_container);
     label->set_size_policy(SizePolicy::Fill, SizePolicy::Fixed);
-    label->set_preferred_size({ text_width, 16 });
+    label->set_preferred_size(text_width, 16);
 
     auto* button_container = new GWidget(widget);
     button_container->set_layout(make<GBoxLayout>(Orientation::Horizontal));
@@ -88,7 +88,7 @@ void GMessageBox::build()
     if (should_include_ok_button()) {
         auto* ok_button = new GButton(button_container);
         ok_button->set_size_policy(SizePolicy::Fill, SizePolicy::Fixed);
-        ok_button->set_preferred_size({ 0, 20 });
+        ok_button->set_preferred_size(0, 20);
         ok_button->set_text("OK");
         ok_button->on_click = [this](auto&) {
             dbgprintf("GMessageBox: OK button clicked\n");
@@ -99,7 +99,7 @@ void GMessageBox::build()
     if (should_include_cancel_button()) {
         auto* cancel_button = new GButton(button_container);
         cancel_button->set_size_policy(SizePolicy::Fill, SizePolicy::Fixed);
-        cancel_button->set_preferred_size({ 0, 20 });
+        cancel_button->set_preferred_size(0, 20);
         cancel_button->set_text("Cancel");
         cancel_button->on_click = [this](auto&) {
             dbgprintf("GMessageBox: Cancel button clicked\n");
diff --git a/Libraries/LibGUI/GResizeCorner.cpp b/Libraries/LibGUI/GResizeCorner.cpp
index 5aa050ec45..7d4bfc46c6 100644
--- a/Libraries/LibGUI/GResizeCorner.cpp
+++ b/Libraries/LibGUI/GResizeCorner.cpp
@@ -8,7 +8,7 @@ GResizeCorner::GResizeCorner(GWidget* parent)
     : GWidget(parent)
 {
     set_size_policy(SizePolicy::Fixed, SizePolicy::Fixed);
-    set_preferred_size({ 16, 16 });
+    set_preferred_size(16, 16);
     m_bitmap = GraphicsBitmap::load_from_file("/res/icons/resize-corner.png");
     ASSERT(m_bitmap);
 }
diff --git a/Libraries/LibGUI/GScrollBar.cpp b/Libraries/LibGUI/GScrollBar.cpp
index 037b5aca40..473eef11b1 100644
--- a/Libraries/LibGUI/GScrollBar.cpp
+++ b/Libraries/LibGUI/GScrollBar.cpp
@@ -71,9 +71,9 @@ GScrollBar::GScrollBar(Orientation orientation, GWidget* parent)
         s_right_arrow_bitmap = &CharacterBitmap::create_from_ascii(s_right_arrow_bitmap_data, 9, 9).leak_ref();
 
     if (m_orientation == Orientation::Vertical) {
-        set_preferred_size({ 15, 0 });
+        set_preferred_size(15, 0);
     } else {
-        set_preferred_size({ 0, 15 });
+        set_preferred_size(0, 15);
     }
 
     m_automatic_scrolling_timer.set_interval(100);
diff --git a/Libraries/LibGUI/GStatusBar.cpp b/Libraries/LibGUI/GStatusBar.cpp
index 12ff8da2f7..dfd24ab4b7 100644
--- a/Libraries/LibGUI/GStatusBar.cpp
+++ b/Libraries/LibGUI/GStatusBar.cpp
@@ -9,7 +9,7 @@ GStatusBar::GStatusBar(GWidget* parent)
     : GWidget(parent)
 {
     set_size_policy(SizePolicy::Fill, SizePolicy::Fixed);
-    set_preferred_size({ 0, 20 });
+    set_preferred_size(0, 20);
     set_layout(make<GBoxLayout>(Orientation::Horizontal));
     layout()->set_margins({ 2, 2, 2, 2 });
     layout()->set_spacing(2);
diff --git a/Libraries/LibGUI/GToolBar.cpp b/Libraries/LibGUI/GToolBar.cpp
index 75b88bc97a..417e935ca2 100644
--- a/Libraries/LibGUI/GToolBar.cpp
+++ b/Libraries/LibGUI/GToolBar.cpp
@@ -8,7 +8,7 @@ GToolBar::GToolBar(GWidget* parent)
     : GWidget(parent)
 {
     set_size_policy(SizePolicy::Fill, SizePolicy::Fixed);
-    set_preferred_size({ 0, 28 });
+    set_preferred_size(0, 28);
     set_layout(make<GBoxLayout>(Orientation::Horizontal));
     layout()->set_spacing(0);
     layout()->set_margins({ 2, 2, 2, 2 });
@@ -39,7 +39,7 @@ void GToolBar::add_action(GAction& action)
     button->set_size_policy(SizePolicy::Fixed, SizePolicy::Fixed);
     ASSERT(button->size_policy(Orientation::Horizontal) == SizePolicy::Fixed);
     ASSERT(button->size_policy(Orientation::Vertical) == SizePolicy::Fixed);
-    button->set_preferred_size({ 24, 24 });
+    button->set_preferred_size(24, 24);
 
     m_items.append(move(item));
 }
@@ -51,7 +51,7 @@ public:
     {
         set_size_policy(SizePolicy::Fixed, SizePolicy::Fixed);
         set_background_color(Color::White);
-        set_preferred_size({ 8, 22 });
+        set_preferred_size(8, 22);
     }
     virtual ~SeparatorWidget() override {}
 
diff --git a/Libraries/LibGUI/GWidget.h b/Libraries/LibGUI/GWidget.h
index 459dbb8b2e..cd4fa680d4 100644
--- a/Libraries/LibGUI/GWidget.h
+++ b/Libraries/LibGUI/GWidget.h
@@ -46,6 +46,7 @@ public:
 
     Size preferred_size() const { return m_preferred_size; }
     void set_preferred_size(const Size&);
+    void set_preferred_size(int width, int height) { set_preferred_size({ width, height }); }
 
     bool has_tooltip() const { return !m_tooltip.is_empty(); }
     String tooltip() const { return m_tooltip; }