diff --git a/components/compositing/constellation.rs b/components/compositing/constellation.rs
index 34d20d42c0d..7013d9250de 100644
--- a/components/compositing/constellation.rs
+++ b/components/compositing/constellation.rs
@@ -617,13 +617,13 @@ impl<LTF: LayoutTaskFactory, STF: ScriptTaskFactory> Constellation<LTF, STF> {
                     pipeline_id, event_type, button, point)) => {
                 if let Some(pipeline) = self.pipelines.get(&pipeline_id) {
                     pipeline.script_chan.send(ConstellationControlMsg::SendEvent(pipeline_id,
-                        CompositorEvent::MouseButtonEvent(event_type, button, point)));
+                        CompositorEvent::MouseButtonEvent(event_type, button, point))).unwrap();
                 }
             }
             Request::Script(FromScriptMsg::ForwardMouseMoveEvent(pipeline_id, point)) => {
                 if let Some(pipeline) = self.pipelines.get(&pipeline_id) {
                     pipeline.script_chan.send(ConstellationControlMsg::SendEvent(pipeline_id,
-                        CompositorEvent::MouseMoveEvent(Some(point))));
+                        CompositorEvent::MouseMoveEvent(Some(point)))).unwrap();
                 }
             }
             Request::Script(FromScriptMsg::GetClipboardContents(sender)) => {
diff --git a/components/gfx/display_list/mod.rs b/components/gfx/display_list/mod.rs
index 65424605e9c..88f70c9773e 100644
--- a/components/gfx/display_list/mod.rs
+++ b/components/gfx/display_list/mod.rs
@@ -43,7 +43,7 @@ use style::properties::ComputedValues;
 use text::TextRun;
 use text::glyph::CharIndex;
 use util::cursor::Cursor;
-use util::geometry::{self, MAX_RECT};
+use util::geometry::MAX_RECT;
 use util::linked_list::prepend_from;
 use util::mem::HeapSizeOf;
 use util::opts;
diff --git a/components/script/dom/document.rs b/components/script/dom/document.rs
index 0e790188320..1b729e9e543 100644
--- a/components/script/dom/document.rs
+++ b/components/script/dom/document.rs
@@ -13,7 +13,6 @@ use dom::bindings::codegen::Bindings::EventBinding::EventMethods;
 use dom::bindings::codegen::Bindings::EventHandlerBinding::EventHandlerNonNull;
 use dom::bindings::codegen::Bindings::EventHandlerBinding::OnErrorEventHandlerNonNull;
 use dom::bindings::codegen::Bindings::EventTargetBinding::EventTargetMethods;
-use dom::bindings::codegen::Bindings::HTMLIFrameElementBinding::HTMLIFrameElementMethods;
 use dom::bindings::codegen::Bindings::NodeBinding::NodeMethods;
 use dom::bindings::codegen::Bindings::NodeFilterBinding::NodeFilter;
 use dom::bindings::codegen::Bindings::PerformanceBinding::PerformanceMethods;
diff --git a/components/util/geometry.rs b/components/util/geometry.rs
index dc84d90b202..4af85d703c9 100644
--- a/components/util/geometry.rs
+++ b/components/util/geometry.rs
@@ -7,7 +7,6 @@ use euclid::point::Point2D;
 use euclid::rect::Rect;
 use euclid::size::Size2D;
 use std::i32;
-use std::ops::Add;
 
 // Units for use with euclid::length and euclid::scale_factor.