diff --git a/core/src/lib.rs b/core/src/lib.rs
index 3cbce743..ea5e8b43 100644
--- a/core/src/lib.rs
+++ b/core/src/lib.rs
@@ -22,6 +22,7 @@ mod font;
 mod length;
 mod point;
 mod rectangle;
+mod size;
 mod vector;
 
 pub use align::{Align, HorizontalAlignment, VerticalAlignment};
@@ -31,4 +32,5 @@ pub use font::Font;
 pub use length::Length;
 pub use point::Point;
 pub use rectangle::Rectangle;
+pub use size::Size;
 pub use vector::Vector;
diff --git a/native/src/size.rs b/core/src/size.rs
similarity index 100%
rename from native/src/size.rs
rename to core/src/size.rs
diff --git a/native/src/lib.rs b/native/src/lib.rs
index 3b81ef71..e4e7baee 100644
--- a/native/src/lib.rs
+++ b/native/src/lib.rs
@@ -52,12 +52,11 @@ mod event;
 mod hasher;
 mod mouse_cursor;
 mod runtime;
-mod size;
 mod user_interface;
 
 pub use iced_core::{
     Align, Background, Color, Font, HorizontalAlignment, Length, Point,
-    Rectangle, Vector, VerticalAlignment,
+    Rectangle, Size, Vector, VerticalAlignment,
 };
 pub use iced_futures::{executor, futures, Command};
 
@@ -72,7 +71,6 @@ pub use layout::Layout;
 pub use mouse_cursor::MouseCursor;
 pub use renderer::Renderer;
 pub use runtime::Runtime;
-pub use size::Size;
 pub use subscription::Subscription;
 pub use user_interface::{Cache, UserInterface};
 pub use widget::*;