diff --git a/Cargo.toml b/Cargo.toml
index 3bc874a..3e1cd44 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -14,4 +14,5 @@ crate-type = ["rlib"]
 [dependencies]
 bitflags = "0.1"
 libc = "*"
+core-graphics = "*"
 objc = "0.1"
diff --git a/src/appkit.rs b/src/appkit.rs
index 135fae5..3f13bd1 100644
--- a/src/appkit.rs
+++ b/src/appkit.rs
@@ -14,6 +14,9 @@ use foundation::{NSInteger, NSUInteger, NSTimeInterval,
                  NSPoint, NSSize, NSRect, NSRectEdge};
 use libc;
 
+pub use core_graphics::base::CGFloat;
+pub use core_graphics::geometry::CGPoint;
+
 pub use self::NSApplicationActivationPolicy::*;
 pub use self::NSWindowMask::*;
 pub use self::NSBackingStoreType::*;
@@ -21,21 +24,10 @@ pub use self::NSOpenGLPixelFormatAttribute::*;
 pub use self::NSOpenGLPFAOpenGLProfiles::*;
 pub use self::NSEventType::*;
 
-#[cfg(target_pointer_width = "32")]
-pub type CGFloat = f32;
-#[cfg(target_pointer_width = "64")]
-pub type CGFloat = f64;
-
 pub type CGLContextObj = *mut libc::c_void;
 
 pub type GLint = libc::int32_t;
 
-#[repr(C)]
-pub struct CGPoint {
-    pub x: CGFloat,
-    pub y: CGFloat,
-}
-
 #[link(name = "AppKit", kind = "framework")]
 extern {
     pub static NSAppKitVersionNumber: f64;
diff --git a/src/lib.rs b/src/lib.rs
index 426a41a..5c3e062 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -15,6 +15,7 @@
 #[macro_use]
 extern crate bitflags;
 extern crate libc;
+extern crate core_graphics;
 #[macro_use]
 extern crate objc;