diff --git a/Meta/Lagom/Tools/CodeGenerators/IPCCompiler/main.cpp b/Meta/Lagom/Tools/CodeGenerators/IPCCompiler/main.cpp
index 80a5b92203..674a1a9952 100644
--- a/Meta/Lagom/Tools/CodeGenerators/IPCCompiler/main.cpp
+++ b/Meta/Lagom/Tools/CodeGenerators/IPCCompiler/main.cpp
@@ -69,7 +69,7 @@ static bool is_primitive_type(DeprecatedString const& type)
 static bool is_simple_type(DeprecatedString const& type)
 {
     // Small types that it makes sense just to pass by value.
-    return type.is_one_of("Gfx::Color", "Gfx::IntPoint", "Gfx::FloatPoint", "Gfx::IntSize");
+    return type.is_one_of("Gfx::Color", "Gfx::IntPoint", "Gfx::FloatPoint", "Gfx::IntSize", "Gfx::FloatSize");
 }
 
 static bool is_primitive_or_simple_type(DeprecatedString const& type)
diff --git a/Userland/Libraries/LibWeb/CSS/StyleValue.cpp b/Userland/Libraries/LibWeb/CSS/StyleValue.cpp
index 25a9642616..4684c9c1fc 100644
--- a/Userland/Libraries/LibWeb/CSS/StyleValue.cpp
+++ b/Userland/Libraries/LibWeb/CSS/StyleValue.cpp
@@ -1827,7 +1827,7 @@ bool LinearGradientStyleValue::equals(StyleValue const& other_) const
         && m_color_stop_list == other.m_color_stop_list);
 }
 
-float LinearGradientStyleValue::angle_degrees(Gfx::FloatSize const& gradient_size) const
+float LinearGradientStyleValue::angle_degrees(Gfx::FloatSize gradient_size) const
 {
     auto corner_angle_degrees = [&] {
         return static_cast<float>(atan2(gradient_size.height(), gradient_size.width())) * 180 / AK::Pi<float>;
@@ -1866,7 +1866,7 @@ float LinearGradientStyleValue::angle_degrees(Gfx::FloatSize const& gradient_siz
         });
 }
 
-void LinearGradientStyleValue::resolve_for_size(Layout::Node const& node, Gfx::FloatSize const& size) const
+void LinearGradientStyleValue::resolve_for_size(Layout::Node const& node, Gfx::FloatSize size) const
 {
     if (m_resolved.has_value() && m_resolved->size == size)
         return;
@@ -2150,7 +2150,7 @@ Gfx::FloatSize RadialGradientStyleValue::resolve_size(Layout::Node const& node,
     return resolved_size;
 }
 
-void RadialGradientStyleValue::resolve_for_size(Layout::Node const& node, Gfx::FloatSize const& paint_size) const
+void RadialGradientStyleValue::resolve_for_size(Layout::Node const& node, Gfx::FloatSize paint_size) const
 {
     Gfx::FloatRect gradient_box { { 0, 0 }, paint_size };
     auto center = m_position.resolved(node, gradient_box);
@@ -2204,7 +2204,7 @@ DeprecatedString ConicGradientStyleValue::to_deprecated_string() const
     return builder.to_deprecated_string();
 }
 
-void ConicGradientStyleValue::resolve_for_size(Layout::Node const& node, Gfx::FloatSize const& size) const
+void ConicGradientStyleValue::resolve_for_size(Layout::Node const& node, Gfx::FloatSize size) const
 {
     if (!m_resolved.has_value())
         m_resolved = ResolvedData { Painting::resolve_conic_gradient_data(node, *this), {} };
diff --git a/Userland/Libraries/LibWeb/CSS/StyleValue.h b/Userland/Libraries/LibWeb/CSS/StyleValue.h
index b5d93f6554..22d17c1e0f 100644
--- a/Userland/Libraries/LibWeb/CSS/StyleValue.h
+++ b/Userland/Libraries/LibWeb/CSS/StyleValue.h
@@ -1157,7 +1157,7 @@ public:
     virtual Optional<int> natural_height() const { return {}; }
 
     virtual void load_any_resources(DOM::Document&) {};
-    virtual void resolve_for_size(Layout::Node const&, Gfx::FloatSize const&) const {};
+    virtual void resolve_for_size(Layout::Node const&, Gfx::FloatSize) const {};
 
     virtual bool is_paintable() const = 0;
     virtual void paint(PaintContext& context, Gfx::IntRect const& dest_rect, CSS::ImageRendering image_rendering) const = 0;
@@ -1251,7 +1251,7 @@ public:
 
     bool is_paintable() const override { return true; }
 
-    void resolve_for_size(Layout::Node const&, Gfx::FloatSize const&) const override;
+    void resolve_for_size(Layout::Node const&, Gfx::FloatSize) const override;
 
     Gfx::FloatSize resolve_size(Layout::Node const&, Gfx::FloatPoint, Gfx::FloatRect const&) const;
 
@@ -1308,7 +1308,7 @@ public:
 
     bool is_paintable() const override { return true; }
 
-    void resolve_for_size(Layout::Node const&, Gfx::FloatSize const&) const override;
+    void resolve_for_size(Layout::Node const&, Gfx::FloatSize) const override;
 
     virtual ~ConicGradientStyleValue() override = default;
 
@@ -1366,9 +1366,9 @@ public:
 
     bool is_repeating() const { return m_repeating == GradientRepeating::Yes; }
 
-    float angle_degrees(Gfx::FloatSize const& gradient_size) const;
+    float angle_degrees(Gfx::FloatSize gradient_size) const;
 
-    void resolve_for_size(Layout::Node const&, Gfx::FloatSize const&) const override;
+    void resolve_for_size(Layout::Node const&, Gfx::FloatSize) const override;
 
     bool is_paintable() const override { return true; }
     void paint(PaintContext& context, Gfx::IntRect const& dest_rect, CSS::ImageRendering image_rendering) const override;
diff --git a/Userland/Libraries/LibWeb/Layout/LineBoxFragment.h b/Userland/Libraries/LibWeb/Layout/LineBoxFragment.h
index d78efcfa83..892b7271d0 100644
--- a/Userland/Libraries/LibWeb/Layout/LineBoxFragment.h
+++ b/Userland/Libraries/LibWeb/Layout/LineBoxFragment.h
@@ -22,7 +22,7 @@ public:
         Trailing,
     };
 
-    LineBoxFragment(Node const& layout_node, int start, int length, Gfx::FloatPoint offset, Gfx::FloatSize const& size, float border_box_top, float border_box_bottom, Type type)
+    LineBoxFragment(Node const& layout_node, int start, int length, Gfx::FloatPoint offset, Gfx::FloatSize size, float border_box_top, float border_box_bottom, Type type)
         : m_layout_node(layout_node)
         , m_start(start)
         , m_length(length)
@@ -47,7 +47,7 @@ public:
     void set_baseline(float y) { m_baseline = y; }
     float baseline() const { return m_baseline; }
 
-    Gfx::FloatSize const& size() const { return m_size; }
+    Gfx::FloatSize size() const { return m_size; }
     void set_width(float width) { m_size.set_width(width); }
     void set_height(float height) { m_size.set_height(height); }
     float width() const { return m_size.width(); }
diff --git a/Userland/Libraries/LibWeb/Painting/GradientPainting.cpp b/Userland/Libraries/LibWeb/Painting/GradientPainting.cpp
index ea8bfbc9c6..d7bb80d309 100644
--- a/Userland/Libraries/LibWeb/Painting/GradientPainting.cpp
+++ b/Userland/Libraries/LibWeb/Painting/GradientPainting.cpp
@@ -129,7 +129,7 @@ static ColorStopData resolve_color_stop_positions(auto const& color_stop_list, a
     return { resolved_color_stops, repeat_length };
 }
 
-LinearGradientData resolve_linear_gradient_data(Layout::Node const& node, Gfx::FloatSize const& gradient_size, CSS::LinearGradientStyleValue const& linear_gradient)
+LinearGradientData resolve_linear_gradient_data(Layout::Node const& node, Gfx::FloatSize gradient_size, CSS::LinearGradientStyleValue const& linear_gradient)
 {
     auto gradient_angle = linear_gradient.angle_degrees(gradient_size);
     auto gradient_length_px = calulate_gradient_length(gradient_size.to_rounded<int>(), gradient_angle);
@@ -155,7 +155,7 @@ ConicGradientData resolve_conic_gradient_data(Layout::Node const& node, CSS::Con
     return { conic_gradient.angle_degrees(), resolved_color_stops };
 }
 
-RadialGradientData resolve_radial_gradient_data(Layout::Node const& node, Gfx::FloatSize const& gradient_size, CSS::RadialGradientStyleValue const& radial_gradient)
+RadialGradientData resolve_radial_gradient_data(Layout::Node const& node, Gfx::FloatSize gradient_size, CSS::RadialGradientStyleValue const& radial_gradient)
 {
     // Start center, goes right to ending point, where the gradient line intersects the ending shape
     auto gradient_length = CSS::Length::make_px(gradient_size.width());
@@ -302,7 +302,7 @@ void paint_conic_gradient(PaintContext& context, Gfx::IntRect const& gradient_re
     });
 }
 
-void paint_radial_gradient(PaintContext& context, Gfx::IntRect const& gradient_rect, RadialGradientData const& data, Gfx::IntPoint center, Gfx::FloatSize const& size)
+void paint_radial_gradient(PaintContext& context, Gfx::IntRect const& gradient_rect, RadialGradientData const& data, Gfx::IntPoint center, Gfx::FloatSize size)
 {
     // A conservative guesstimate on how many colors we need to generate:
     auto max_dimension = max(gradient_rect.width(), gradient_rect.height());
diff --git a/Userland/Libraries/LibWeb/Painting/GradientPainting.h b/Userland/Libraries/LibWeb/Painting/GradientPainting.h
index e13a820285..47dc907ef5 100644
--- a/Userland/Libraries/LibWeb/Painting/GradientPainting.h
+++ b/Userland/Libraries/LibWeb/Painting/GradientPainting.h
@@ -41,12 +41,12 @@ struct RadialGradientData {
     ColorStopData color_stops;
 };
 
-LinearGradientData resolve_linear_gradient_data(Layout::Node const&, Gfx::FloatSize const&, CSS::LinearGradientStyleValue const&);
+LinearGradientData resolve_linear_gradient_data(Layout::Node const&, Gfx::FloatSize, CSS::LinearGradientStyleValue const&);
 ConicGradientData resolve_conic_gradient_data(Layout::Node const&, CSS::ConicGradientStyleValue const&);
-RadialGradientData resolve_radial_gradient_data(Layout::Node const&, Gfx::FloatSize const&, CSS::RadialGradientStyleValue const&);
+RadialGradientData resolve_radial_gradient_data(Layout::Node const&, Gfx::FloatSize, CSS::RadialGradientStyleValue const&);
 
 void paint_linear_gradient(PaintContext&, Gfx::IntRect const&, LinearGradientData const&);
 void paint_conic_gradient(PaintContext&, Gfx::IntRect const&, ConicGradientData const&, Gfx::IntPoint position);
-void paint_radial_gradient(PaintContext&, Gfx::IntRect const&, RadialGradientData const&, Gfx::IntPoint position, Gfx::FloatSize const& size);
+void paint_radial_gradient(PaintContext&, Gfx::IntRect const&, RadialGradientData const&, Gfx::IntPoint position, Gfx::FloatSize size);
 
 }
diff --git a/Userland/Libraries/LibWeb/Painting/PaintableBox.cpp b/Userland/Libraries/LibWeb/Painting/PaintableBox.cpp
index def34ab773..c9703d417e 100644
--- a/Userland/Libraries/LibWeb/Painting/PaintableBox.cpp
+++ b/Userland/Libraries/LibWeb/Painting/PaintableBox.cpp
@@ -60,7 +60,7 @@ void PaintableBox::set_offset(Gfx::FloatPoint offset)
     const_cast<Layout::Box&>(layout_box()).did_set_rect();
 }
 
-void PaintableBox::set_content_size(Gfx::FloatSize const& size)
+void PaintableBox::set_content_size(Gfx::FloatSize size)
 {
     m_content_size = size;
     // FIXME: This const_cast is gross.
diff --git a/Userland/Libraries/LibWeb/Painting/PaintableBox.h b/Userland/Libraries/LibWeb/Painting/PaintableBox.h
index b4eec2fb6a..a954f00a85 100644
--- a/Userland/Libraries/LibWeb/Painting/PaintableBox.h
+++ b/Userland/Libraries/LibWeb/Painting/PaintableBox.h
@@ -38,8 +38,8 @@ public:
     void set_offset(Gfx::FloatPoint);
     void set_offset(float x, float y) { set_offset({ x, y }); }
 
-    Gfx::FloatSize const& content_size() const { return m_content_size; }
-    void set_content_size(Gfx::FloatSize const&);
+    Gfx::FloatSize content_size() const { return m_content_size; }
+    void set_content_size(Gfx::FloatSize);
     void set_content_size(float width, float height) { set_content_size({ width, height }); }
 
     void set_content_width(float width) { set_content_size(width, content_height()); }