diff --git a/src/components/compositing/compositing.rs b/src/components/compositing/compositing.rs
index 737acce3b84..b944567549d 100644
--- a/src/components/compositing/compositing.rs
+++ b/src/components/compositing/compositing.rs
@@ -47,15 +47,15 @@ extern crate core_text;
 pub use compositor_task::{CompositorChan, CompositorTask};
 pub use constellation::Constellation;
 
-mod compositor_task;
+pub mod compositor_task;
 
 mod compositor_data;
 
 mod compositor;
 mod headless;
 
-mod pipeline;
-mod constellation;
+pub mod pipeline;
+pub mod constellation;
 
 mod windowing;
 
diff --git a/src/components/compositing/compositor_task.rs b/src/components/compositing/compositor_task.rs
index faf34915a84..1b8e9653744 100644
--- a/src/components/compositing/compositor_task.rs
+++ b/src/components/compositing/compositor_task.rs
@@ -6,7 +6,7 @@ pub use windowing;
 
 use compositor;
 use headless;
-use constellation::SendableFrameTree;
+pub use constellation::SendableFrameTree;
 use windowing::{ApplicationMethods, WindowMethods};
 use platform::Application;
 
diff --git a/src/components/compositing/constellation.rs b/src/components/compositing/constellation.rs
index f5215be1555..f6d12ebcedd 100644
--- a/src/components/compositing/constellation.rs
+++ b/src/components/compositing/constellation.rs
@@ -42,7 +42,7 @@ pub struct Constellation {
     pub compositor_chan: CompositorChan,
     pub resource_task: ResourceTask,
     pub image_cache_task: ImageCacheTask,
-    pub pipelines: HashMap<PipelineId, Rc<Pipeline>>,
+    pipelines: HashMap<PipelineId, Rc<Pipeline>>,
     navigation_context: NavigationContext,
     next_pipeline_id: PipelineId,
     pending_frames: Vec<FrameChange>,
diff --git a/src/components/compositing/platform/common/glfw_windowing.rs b/src/components/compositing/platform/common/glfw_windowing.rs
index ca42af1f13f..ae4eaf57bb6 100644
--- a/src/components/compositing/platform/common/glfw_windowing.rs
+++ b/src/components/compositing/platform/common/glfw_windowing.rs
@@ -85,22 +85,22 @@ macro_rules! glfw_callback(
 
 /// The type of a window.
 pub struct Window {
-    pub glfw: glfw::Glfw,
+    glfw: glfw::Glfw,
 
-    pub glfw_window: glfw::Window,
-    pub events: Receiver<(f64, glfw::WindowEvent)>,
+    glfw_window: glfw::Window,
+    events: Receiver<(f64, glfw::WindowEvent)>,
 
-    pub event_queue: RefCell<Vec<WindowEvent>>,
+    event_queue: RefCell<Vec<WindowEvent>>,
 
-    pub drag_origin: Point2D<c_int>,
+    drag_origin: Point2D<c_int>,
 
-    pub mouse_down_button: Cell<Option<glfw::MouseButton>>,
-    pub mouse_down_point: Cell<Point2D<c_int>>,
+    mouse_down_button: Cell<Option<glfw::MouseButton>>,
+    mouse_down_point: Cell<Point2D<c_int>>,
 
-    pub ready_state: Cell<ReadyState>,
-    pub render_state: Cell<RenderState>,
+    ready_state: Cell<ReadyState>,
+    render_state: Cell<RenderState>,
 
-    pub last_title_set_time: Cell<Timespec>,
+    last_title_set_time: Cell<Timespec>,
 }
 
 impl WindowMethods<Application> for Window {