Removed unused imports

This fixes #11185.

69 files changed, 33 insertions, 98 deletions

diff --git a/components/compositing/lib.rs b/components/compositing/lib.rs
index 1e3c3dc3443..b65f419be81 100644
--- a/components/compositing/lib.rs
+++ b/components/compositing/lib.rs
@@ -33,7 +33,6 @@ extern crate layout_traits;
 extern crate log;
 extern crate msg;
 extern crate net_traits;
-extern crate num_traits;
 extern crate offscreen_gl_context;
 #[macro_use]
 extern crate profile_traits;
diff --git a/components/compositing/timer_scheduler.rs b/components/compositing/timer_scheduler.rs
index b928c2902dc..d83c6170d23 100644
--- a/components/compositing/timer_scheduler.rs
+++ b/components/compositing/timer_scheduler.rs
@@ -5,7 +5,6 @@
 use euclid::length::Length;
 use ipc_channel::ipc::{self, IpcSender};
 use ipc_channel::router::ROUTER;
-use num_traits::Saturating;
 use script_traits::{MsDuration, NsDuration, precise_time_ms, precise_time_ns};
 use script_traits::{TimerEvent, TimerEventRequest};
 use std::cell::RefCell;
diff --git a/components/gfx/display_list/mod.rs b/components/gfx/display_list/mod.rs
index 62bb324d873..73071d91ec0 100644
--- a/components/gfx/display_list/mod.rs
+++ b/components/gfx/display_list/mod.rs
@@ -23,7 +23,6 @@ use euclid::rect::TypedRect;
 use euclid::{Matrix2D, Matrix4D, Point2D, Rect, SideOffsets2D, Size2D};
 use fnv::FnvHasher;
 use gfx_traits::{LayerId, ScrollPolicy};
-use heapsize::HeapSizeOf;
 use ipc_channel::ipc::IpcSharedMemory;
 use msg::constellation_msg::PipelineId;
 use net_traits::image::base::{Image, PixelFormat};
@@ -41,7 +40,6 @@ use std::mem;
 use std::ops::{Deref, DerefMut};
 use std::sync::Arc;
 use style::computed_values::{border_style, filter, image_rendering, mix_blend_mode};
-use style::properties::{ComputedValues};
 use style_traits::cursor::Cursor;
 use text::TextRun;
 use text::glyph::ByteIndex;
diff --git a/components/gfx/text/shaping/harfbuzz.rs b/components/gfx/text/shaping/harfbuzz.rs
index e8b23e1e487..964ba7cf396 100644
--- a/components/gfx/text/shaping/harfbuzz.rs
+++ b/components/gfx/text/shaping/harfbuzz.rs
@@ -4,7 +4,7 @@
 
 use app_units::Au;
 use euclid::Point2D;
-use font::{DISABLE_KERNING_SHAPING_FLAG, Font, FontHandleMethods, FontTableMethods, FontTableTag};
+use font::{DISABLE_KERNING_SHAPING_FLAG, Font, FontTableMethods, FontTableTag};
 use font::{IGNORE_LIGATURES_SHAPING_FLAG, RTL_FLAG, ShapingOptions};
 use harfbuzz::{HB_DIRECTION_LTR, HB_DIRECTION_RTL, HB_MEMORY_MODE_READONLY};
 use harfbuzz::{hb_blob_create, hb_face_create_for_tables};
diff --git a/components/layout/block.rs b/components/layout/block.rs
index 090672c00fb..42cc4e6abd4 100644
--- a/components/layout/block.rs
+++ b/components/layout/block.rs
@@ -37,7 +37,7 @@ use flow::{BLOCK_POSITION_IS_STATIC, CLEARS_LEFT, CLEARS_RIGHT};
 use flow::{CONTAINS_TEXT_OR_REPLACED_FRAGMENTS, INLINE_POSITION_IS_STATIC};
 use flow::{IS_ABSOLUTELY_POSITIONED};
 use flow::{ImmutableFlowUtils, LateAbsolutePositionInfo, MutableFlowUtils, OpaqueFlow};
-use flow::{NEEDS_LAYER, PostorderFlowTraversal, PreorderFlowTraversal, FragmentationContext};
+use flow::{NEEDS_LAYER, PreorderFlowTraversal, FragmentationContext};
 use flow::{self, BaseFlow, EarlyAbsolutePositionInfo, Flow, FlowClass, ForceNonfloatedFlag};
 use flow_list::FlowList;
 use flow_ref::FlowRef;
diff --git a/components/layout/construct.rs b/components/layout/construct.rs
index dc6ca7b3cb1..2a75c4025cb 100644
--- a/components/layout/construct.rs
+++ b/components/layout/construct.rs
@@ -20,7 +20,7 @@ use data::{HAS_NEWLY_CONSTRUCTED_FLOW, PrivateLayoutData};
 use flex::FlexFlow;
 use floats::FloatKind;
 use flow::{MutableFlowUtils, MutableOwnedFlowUtils, CAN_BE_FRAGMENTED};
-use flow::{self, AbsoluteDescendants, Flow, IS_ABSOLUTELY_POSITIONED, ImmutableFlowUtils};
+use flow::{self, AbsoluteDescendants, IS_ABSOLUTELY_POSITIONED, ImmutableFlowUtils};
 use flow_ref::{self, FlowRef};
 use fragment::{CanvasFragmentInfo, ImageFragmentInfo, InlineAbsoluteFragmentInfo};
 use fragment::{Fragment, GeneratedContentInfo, IframeFragmentInfo};
@@ -60,7 +60,7 @@ use traversal::PostorderNodeMutTraversal;
 use url::Url;
 use util::linked_list;
 use util::opts;
-use wrapper::{LayoutNode, PseudoElementType, TextContent, ThreadSafeLayoutElement, ThreadSafeLayoutNode};
+use wrapper::{PseudoElementType, TextContent, ThreadSafeLayoutElement, ThreadSafeLayoutNode};
 
 /// The results of flow construction for a DOM node.
 #[derive(Clone)]
diff --git a/components/layout/display_list_builder.rs b/components/layout/display_list_builder.rs
index 495c22e7589..c9314aa08f6 100644
--- a/components/layout/display_list_builder.rs
+++ b/components/layout/display_list_builder.rs
@@ -15,7 +15,6 @@ use azure::azure_hl::Color;
 use block::{BlockFlow, BlockStackingContextType};
 use canvas_traits::{CanvasMsg, CanvasData, FromLayoutMsg};
 use context::LayoutContext;
-use euclid::num::Zero;
 use euclid::{Matrix4D, Point2D, Point3D, Rect, SideOffsets2D, Size2D};
 use flex::FlexFlow;
 use flow::{BaseFlow, Flow, IS_ABSOLUTELY_POSITIONED};
diff --git a/components/layout/fragment.rs b/components/layout/fragment.rs
index 1d9b5056c06..520e4c5ab66 100644
--- a/components/layout/fragment.rs
+++ b/components/layout/fragment.rs
@@ -11,7 +11,7 @@ use canvas_traits::CanvasMsg;
 use context::LayoutContext;
 use euclid::{Point2D, Rect, Size2D};
 use floats::ClearType;
-use flow::{self, Flow, ImmutableFlowUtils};
+use flow::{self, ImmutableFlowUtils};
 use flow_ref::{self, FlowRef};
 use gfx;
 use gfx::display_list::{BLUR_INFLATION_FACTOR, FragmentType, OpaqueNode, StackingContextId};
diff --git a/components/layout/layout_thread.rs b/components/layout/layout_thread.rs
index 0712e302752..e20e0865b4c 100644
--- a/components/layout/layout_thread.rs
+++ b/components/layout/layout_thread.rs
@@ -18,7 +18,7 @@ use euclid::point::Point2D;
 use euclid::rect::Rect;
 use euclid::scale_factor::ScaleFactor;
 use euclid::size::Size2D;
-use flow::{self, Flow, ImmutableFlowUtils, MutableFlowUtils, MutableOwnedFlowUtils};
+use flow::{self, Flow, ImmutableFlowUtils, MutableOwnedFlowUtils};
 use flow_ref::{self, FlowRef};
 use fnv::FnvHasher;
 use gfx::display_list::{ClippingRegion, DisplayItemMetadata, DisplayList, LayerInfo};
@@ -87,7 +87,7 @@ use util::thread_state;
 use util::workqueue::WorkQueue;
 use webrender_helpers::{WebRenderDisplayListConverter, WebRenderFrameBuilder};
 use webrender_traits;
-use wrapper::{LayoutNode, NonOpaqueStyleAndLayoutData, ServoLayoutNode, ThreadSafeLayoutNode};
+use wrapper::{LayoutNode, NonOpaqueStyleAndLayoutData, ServoLayoutNode};
 
 /// The number of screens of data we're allowed to generate display lists for in each direction.
 pub const DISPLAY_PORT_SIZE_FACTOR: i32 = 8;
diff --git a/components/layout/parallel.rs b/components/layout/parallel.rs
index e74f9631ff1..2c622b99603 100644
--- a/components/layout/parallel.rs
+++ b/components/layout/parallel.rs
@@ -14,11 +14,11 @@ use flow_ref::{self, FlowRef};
 use profile_traits::time::{self, TimerMetadata, profile};
 use std::mem;
 use std::sync::atomic::{AtomicIsize, Ordering};
-use style::dom::{TNode, UnsafeNode};
+use style::dom::UnsafeNode;
 use style::parallel::{CHUNK_SIZE, WorkQueueData};
 use style::parallel::{run_queue_with_custom_work_data_type};
 use traversal::AssignBSizes;
-use traversal::{AssignISizes, BubbleISizes, PostorderNodeMutTraversal};
+use traversal::{AssignISizes, BubbleISizes};
 use util::opts;
 use util::workqueue::{WorkQueue, WorkUnit, WorkerProxy};
 
diff --git a/components/layout/query.rs b/components/layout/query.rs
index df94ed0024e..6e49b397e8d 100644
--- a/components/layout/query.rs
+++ b/components/layout/query.rs
@@ -19,7 +19,7 @@ use msg::constellation_msg::ConstellationChan;
 use opaque_node::OpaqueNodeMethods;
 use script::layout_interface::{ContentBoxResponse, NodeOverflowResponse, ContentBoxesResponse, NodeGeometryResponse};
 use script::layout_interface::{HitTestResponse, LayoutRPC, OffsetParentResponse, NodeLayerIdResponse};
-use script::layout_interface::{ResolvedStyleResponse, ScriptLayoutChan, MarginStyleResponse};
+use script::layout_interface::{ResolvedStyleResponse, MarginStyleResponse};
 use script_traits::LayoutMsg as ConstellationMsg;
 use script_traits::UntrustedNodeAddress;
 use sequential;
diff --git a/components/layout/sequential.rs b/components/layout/sequential.rs
index 16aa0d5f277..d652d19b773 100644
--- a/components/layout/sequential.rs
+++ b/components/layout/sequential.rs
@@ -17,10 +17,7 @@ use fragment::FragmentBorderBoxIterator;
 use generated_content::ResolveGeneratedContent;
 use gfx::display_list::{DisplayItem, StackingContext};
 use incremental::{REFLOW, STORE_OVERFLOW};
-use style::dom::TNode;
-use style::traversal::DomTraversalContext;
-use traversal::{AssignBSizes, AssignISizes, BubbleISizes, BuildDisplayList};
-use traversal::{ComputeAbsolutePositions, PostorderNodeMutTraversal};
+use traversal::{AssignBSizes, AssignISizes, BubbleISizes, BuildDisplayList, ComputeAbsolutePositions};
 use util::opts;
 
 pub use style::sequential::traverse_dom;
@@ -158,4 +155,3 @@ pub fn guess_float_placement(flow: &mut Flow) {
     floats_in.compute_floats_out(flow);
     flow::mut_base(flow).speculated_float_placement_out = floats_in
 }
-
diff --git a/components/layout/table_caption.rs b/components/layout/table_caption.rs
index 0d4d9f91cc2..2f26e7ea2ae 100644
--- a/components/layout/table_caption.rs
+++ b/components/layout/table_caption.rs
@@ -17,7 +17,7 @@ use gfx::display_list::{StackingContext, StackingContextId};
 use std::fmt;
 use std::sync::Arc;
 use style::logical_geometry::LogicalSize;
-use style::properties::{ComputedValues, ServoComputedValues};
+use style::properties::ServoComputedValues;
 use util::print_tree::PrintTree;
 
 /// A table formatting context.
diff --git a/components/layout/table_colgroup.rs b/components/layout/table_colgroup.rs
index 0bd52ecc55c..86192f75c52 100644
--- a/components/layout/table_colgroup.rs
+++ b/components/layout/table_colgroup.rs
@@ -18,7 +18,7 @@ use std::cmp::max;
 use std::fmt;
 use std::sync::Arc;
 use style::logical_geometry::LogicalSize;
-use style::properties::{ComputedValues, ServoComputedValues};
+use style::properties::ServoComputedValues;
 use style::values::computed::LengthOrPercentageOrAuto;
 
 /// A table formatting context.
diff --git a/components/layout/text.rs b/components/layout/text.rs
index 2ee93282822..1848a9b8741 100644
--- a/components/layout/text.rs
+++ b/components/layout/text.rs
@@ -16,7 +16,7 @@ use gfx::text::glyph::ByteIndex;
 use gfx::text::text_run::TextRun;
 use gfx::text::util::{self, CompressionMode};
 use inline::{FIRST_FRAGMENT_OF_ELEMENT, InlineFragments, LAST_FRAGMENT_OF_ELEMENT};
-use range::{Range, RangeIndex};
+use range::Range;
 use std::borrow::ToOwned;
 use std::collections::LinkedList;
 use std::mem;
diff --git a/components/layout/webrender_helpers.rs b/components/layout/webrender_helpers.rs
index 06c94414fd3..3a8d175cdf3 100644
--- a/components/layout/webrender_helpers.rs
+++ b/components/layout/webrender_helpers.rs
@@ -9,7 +9,6 @@
 
 use app_units::Au;
 use azure::azure_hl::Color;
-use euclid::num::Zero;
 use euclid::{Point2D, Rect, Size2D};
 use gfx::display_list::{BorderRadii, BoxShadowClipMode, ClippingRegion};
 use gfx::display_list::{DisplayItem, DisplayList};
@@ -565,4 +564,3 @@ impl WebRenderFrameBuilder {
     }
 
 }
-
diff --git a/components/layout/wrapper.rs b/components/layout/wrapper.rs
index 12d2e0f3b8a..9c4193e16f1 100644
--- a/components/layout/wrapper.rs
+++ b/components/layout/wrapper.rs
@@ -38,9 +38,9 @@ use gfx_traits::{LayerId, LayerType};
 use incremental::RestyleDamage;
 use msg::constellation_msg::PipelineId;
 use opaque_node::OpaqueNodeMethods;
-use range::{Range, RangeIndex};
+use range::Range;
 use script::dom::attr::AttrValue;
-use script::dom::bindings::inheritance::{Castable, CharacterDataTypeId, ElementTypeId};
+use script::dom::bindings::inheritance::{CharacterDataTypeId, ElementTypeId};
 use script::dom::bindings::inheritance::{HTMLElementTypeId, NodeTypeId};
 use script::dom::bindings::js::LayoutJS;
 use script::dom::characterdata::LayoutCharacterDataHelpers;
diff --git a/components/net/cookie_storage.rs b/components/net/cookie_storage.rs
index 0698b8e46cd..76c940d8863 100644
--- a/components/net/cookie_storage.rs
+++ b/components/net/cookie_storage.rs
@@ -7,7 +7,6 @@
 
 use cookie::Cookie;
 use net_traits::CookieSource;
-use rustc_serialize::Encoder;
 use std::cmp::Ordering;
 use url::Url;
 
diff --git a/components/net_traits/image/base.rs b/components/net_traits/image/base.rs
index e2a9a3ca21e..90cd039dac3 100644
--- a/components/net_traits/image/base.rs
+++ b/components/net_traits/image/base.rs
@@ -3,7 +3,7 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
 use ipc_channel::ipc::IpcSharedMemory;
-use piston_image::{self, DynamicImage, GenericImage, ImageFormat};
+use piston_image::{self, DynamicImage, ImageFormat};
 use util::opts;
 
 pub use msg::constellation_msg::{Image, PixelFormat};
diff --git a/components/net_traits/lib.rs b/components/net_traits/lib.rs
index 8d67f534086..b7ffadff2bb 100644
--- a/components/net_traits/lib.rs
+++ b/components/net_traits/lib.rs
@@ -35,7 +35,6 @@ use hyper::method::Method;
 use hyper::mime::{Attr, Mime};
 use ipc_channel::ipc::{self, IpcReceiver, IpcSender};
 use msg::constellation_msg::{PipelineId, ReferrerPolicy};
-use serde::{Deserializer, Serializer};
 use std::sync::mpsc::Sender;
 use std::thread;
 use url::Url;
diff --git a/components/plugins/lints/privatize.rs b/components/plugins/lints/privatize.rs
index 36d545ddc14..f3f56a0cdc4 100644
--- a/components/plugins/lints/privatize.rs
+++ b/components/plugins/lints/privatize.rs
@@ -5,7 +5,6 @@
 use rustc::hir;
 use rustc::lint::{LateContext, LintPass, LintArray, LateLintPass, LintContext};
 use syntax::ast;
-use syntax::attr::AttrMetaMethods;
 
 declare_lint!(PRIVATIZE, Deny,
               "Allows to enforce private fields for struct definitions");
diff --git a/components/plugins/lints/transmute_type.rs b/components/plugins/lints/transmute_type.rs
index ef2806f5f2f..f151439d0c7 100644
--- a/components/plugins/lints/transmute_type.rs
+++ b/components/plugins/lints/transmute_type.rs
@@ -4,7 +4,6 @@
 
 use rustc::hir;
 use rustc::lint::{LateContext, LintPass, LintArray, LateLintPass, LintContext};
-use syntax::attr::AttrMetaMethods;
 
 declare_lint!(TRANSMUTE_TYPE_LINT, Allow,
               "Warn and report types being transmuted");
diff --git a/components/profile/mem.rs b/components/profile/mem.rs
index 398bcab438d..b82b5672d6d 100644
--- a/components/profile/mem.rs
+++ b/components/profile/mem.rs
@@ -358,7 +358,6 @@ impl ReportsForest {
 mod system_reporter {
     use libc::{c_char, c_int, c_void, size_t};
     use profile_traits::mem::{Report, ReportKind, ReporterRequest};
-    use std::borrow::ToOwned;
     use std::ffi::CString;
     use std::mem::size_of;
     use std::ptr::null_mut;
diff --git a/components/script/dom/bindings/weakref.rs b/components/script/dom/bindings/weakref.rs
index 99adb8a0c02..761aaf7721c 100644
--- a/components/script/dom/bindings/weakref.rs
+++ b/components/script/dom/bindings/weakref.rs
@@ -20,7 +20,6 @@ use js::jsapi::{JSTracer, JS_GetReservedSlot, JS_SetReservedSlot};
 use js::jsval::PrivateValue;
 use libc::c_void;
 use std::cell::{Cell, UnsafeCell};
-use std::iter::Iterator;
 use std::mem;
 use std::ops::{Deref, DerefMut, Drop};
 
diff --git a/components/script/dom/blob.rs b/components/script/dom/blob.rs
index e0d260b2b78..bac02339917 100644
--- a/components/script/dom/blob.rs
+++ b/components/script/dom/blob.rs
@@ -9,7 +9,6 @@ use dom::bindings::error::Fallible;
 use dom::bindings::global::GlobalRef;
 use dom::bindings::js::Root;
 use dom::bindings::reflector::{Reflectable, Reflector, reflect_dom_object};
-use dom::bindings::trace::JSTraceable;
 use encoding::all::UTF_8;
 use encoding::types::{EncoderTrap, Encoding};
 use num_traits::ToPrimitive;
diff --git a/components/script/dom/canvasrenderingcontext2d.rs b/components/script/dom/canvasrenderingcontext2d.rs
index 36c042b4d75..ac7215d3293 100644
--- a/components/script/dom/canvasrenderingcontext2d.rs
+++ b/components/script/dom/canvasrenderingcontext2d.rs
@@ -39,7 +39,7 @@ use euclid::size::Size2D;
 use ipc_channel::ipc::{self, IpcSender};
 use net_traits::image::base::PixelFormat;
 use net_traits::image_cache_thread::ImageResponse;
-use num_traits::{Float, ToPrimitive};
+use num_traits::ToPrimitive;
 use script_traits::ScriptMsg as ConstellationMsg;
 use std::cell::Cell;
 use std::str::FromStr;
diff --git a/components/script/dom/closeevent.rs b/components/script/dom/closeevent.rs
index 190a7eb63b2..63e058fef6e 100644
--- a/components/script/dom/closeevent.rs
+++ b/components/script/dom/closeevent.rs
@@ -11,7 +11,6 @@ use dom::bindings::inheritance::Castable;
 use dom::bindings::js::Root;
 use dom::bindings::reflector::reflect_dom_object;
 use dom::event::{Event, EventBubbles, EventCancelable};
-use script_runtime::ScriptChan;
 use string_cache::Atom;
 use util::str::DOMString;
 
diff --git a/components/script/dom/cssstyledeclaration.rs b/components/script/dom/cssstyledeclaration.rs
index a33672b7fe6..97a3602a8e1 100644
--- a/components/script/dom/cssstyledeclaration.rs
+++ b/components/script/dom/cssstyledeclaration.rs
@@ -15,7 +15,6 @@ use std::ascii::AsciiExt;
 use std::borrow::ToOwned;
 use std::cell::Ref;
 use string_cache::Atom;
-use style::error_reporting::ParseErrorReporter;
 use style::properties::{PropertyDeclaration, Shorthand};
 use style::properties::{is_supported_property, parse_one_declaration};
 use style::selector_impl::PseudoElement;
diff --git a/components/script/dom/dedicatedworkerglobalscope.rs b/components/script/dom/dedicatedworkerglobalscope.rs
index c4351b278f2..dbd127e79ee 100644
--- a/components/script/dom/dedicatedworkerglobalscope.rs
+++ b/components/script/dom/dedicatedworkerglobalscope.rs
@@ -15,7 +15,6 @@ use dom::bindings::js::{Root, RootCollection};
 use dom::bindings::refcounted::LiveDOMReferences;
 use dom::bindings::reflector::Reflectable;
 use dom::bindings::structuredclone::StructuredCloneData;
-use dom::bindings::trace::JSTraceable;
 use dom::messageevent::MessageEvent;
 use dom::worker::{SimpleWorkerErrorHandler, SharedRt, TrustedWorkerAddress, WorkerMessageHandler};
 use dom::workerglobalscope::WorkerGlobalScope;
diff --git a/components/script/dom/document.rs b/components/script/dom/document.rs
index c2b2517d92e..b7e7cf47cfb 100644
--- a/components/script/dom/document.rs
+++ b/components/script/dom/document.rs
@@ -103,7 +103,6 @@ use net_traits::{AsyncResponseTarget, PendingAsyncLoad};
 use num_traits::ToPrimitive;
 use origin::Origin;
 use parse::{ParserRoot, ParserRef, MutNullableParserField};
-use script_runtime::ScriptChan;
 use script_thread::{MainThreadScriptMsg, Runnable};
 use script_traits::UntrustedNodeAddress;
 use script_traits::{AnimationState, MouseButton, MouseEventType, MozBrowserEvent};
diff --git a/components/script/dom/domquad.rs b/components/script/dom/domquad.rs
index 66b179e2523..dbfb1f201d4 100644
--- a/components/script/dom/domquad.rs
+++ b/components/script/dom/domquad.rs
@@ -3,10 +3,8 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
 use dom::bindings::codegen::Bindings::DOMPointBinding::{DOMPointInit, DOMPointMethods};
-use dom::bindings::codegen::Bindings::DOMPointReadOnlyBinding::DOMPointReadOnlyMethods;
 use dom::bindings::codegen::Bindings::DOMQuadBinding::{DOMQuadInit, DOMQuadMethods, Wrap};
-use dom::bindings::codegen::Bindings::DOMRectBinding::DOMRectMethods;
-use dom::bindings::codegen::Bindings::DOMRectReadOnlyBinding::{DOMRectInit, DOMRectReadOnlyMethods};
+use dom::bindings::codegen::Bindings::DOMRectReadOnlyBinding::{DOMRectInit};
 use dom::bindings::error::Fallible;
 use dom::bindings::global::GlobalRef;
 use dom::bindings::js::{Root, JS};
diff --git a/components/script/dom/element.rs b/components/script/dom/element.rs
index d2149fbe70d..ba8a4f5d218 100644
--- a/components/script/dom/element.rs
+++ b/components/script/dom/element.rs
@@ -16,7 +16,6 @@ use dom::bindings::codegen::Bindings::DocumentBinding::DocumentMethods;
 use dom::bindings::codegen::Bindings::ElementBinding;
 use dom::bindings::codegen::Bindings::ElementBinding::ElementMethods;
 use dom::bindings::codegen::Bindings::EventBinding::EventMethods;
-use dom::bindings::codegen::Bindings::HTMLInputElementBinding::HTMLInputElementMethods;
 use dom::bindings::codegen::Bindings::HTMLTemplateElementBinding::HTMLTemplateElementMethods;
 use dom::bindings::codegen::Bindings::NodeBinding::NodeMethods;
 use dom::bindings::codegen::Bindings::WindowBinding::WindowMethods;
@@ -27,7 +26,6 @@ use dom::bindings::global::GlobalRef;
 use dom::bindings::inheritance::{Castable, ElementTypeId, HTMLElementTypeId, NodeTypeId};
 use dom::bindings::js::{JS, LayoutJS, MutNullableHeap};
 use dom::bindings::js::{Root, RootedReference};
-use dom::bindings::trace::JSTraceable;
 use dom::bindings::xmlname::XMLName::InvalidXMLName;
 use dom::bindings::xmlname::{namespace_from_domstring, validate_and_extract, xml_name_type};
 use dom::characterdata::CharacterData;
@@ -87,7 +85,6 @@ use std::sync::Arc;
 use std::sync::atomic::{AtomicUsize, Ordering};
 use string_cache::{Atom, Namespace, QualName};
 use style::element_state::*;
-use style::error_reporting::ParseErrorReporter;
 use style::properties::DeclaredValue;
 use style::properties::longhands::{self, background_image, border_spacing, font_family, overflow_x, font_size};
 use style::properties::{PropertyDeclaration, PropertyDeclarationBlock, parse_style_attribute};
diff --git a/components/script/dom/errorevent.rs b/components/script/dom/errorevent.rs
index 763fa823d17..cb6bd15c7d7 100644
--- a/components/script/dom/errorevent.rs
+++ b/components/script/dom/errorevent.rs
@@ -11,7 +11,6 @@ use dom::bindings::global::GlobalRef;
 use dom::bindings::inheritance::Castable;
 use dom::bindings::js::{MutHeapJSVal, Root};
 use dom::bindings::reflector::reflect_dom_object;
-use dom::bindings::trace::JSTraceable;
 use dom::event::{Event, EventBubbles, EventCancelable};
 use js::jsapi::{RootedValue, HandleValue, JSContext};
 use js::jsval::JSVal;
diff --git a/components/script/dom/formdata.rs b/components/script/dom/formdata.rs
index f396a79660c..c8388c3e4d8 100644
--- a/components/script/dom/formdata.rs
+++ b/components/script/dom/formdata.rs
@@ -6,9 +6,8 @@ use dom::bindings::cell::DOMRefCell;
 use dom::bindings::codegen::Bindings::FormDataBinding;
 use dom::bindings::codegen::Bindings::FormDataBinding::FormDataMethods;
 use dom::bindings::codegen::UnionTypes::BlobOrUSVString;
-use dom::bindings::error::{Fallible};
+use dom::bindings::error::Fallible;
 use dom::bindings::global::GlobalRef;
-use dom::bindings::inheritance::Castable;
 use dom::bindings::js::{JS, Root};
 use dom::bindings::reflector::{Reflectable, Reflector, reflect_dom_object};
 use dom::bindings::str::USVString;
diff --git a/components/script/dom/htmlareaelement.rs b/components/script/dom/htmlareaelement.rs
index a19e0cc408e..159c8c58881 100644
--- a/components/script/dom/htmlareaelement.rs
+++ b/components/script/dom/htmlareaelement.rs
@@ -7,7 +7,6 @@ use dom::bindings::codegen::Bindings::HTMLAreaElementBinding;
 use dom::bindings::codegen::Bindings::HTMLAreaElementBinding::HTMLAreaElementMethods;
 use dom::bindings::inheritance::Castable;
 use dom::bindings::js::{JS, MutNullableHeap, Root};
-use dom::bindings::reflector::Reflectable;
 use dom::document::Document;
 use dom::domtokenlist::DOMTokenList;
 use dom::htmlelement::HTMLElement;
diff --git a/components/script/dom/htmlbodyelement.rs b/components/script/dom/htmlbodyelement.rs
index 1c65a1f609f..5b4b9a48cb6 100644
--- a/components/script/dom/htmlbodyelement.rs
+++ b/components/script/dom/htmlbodyelement.rs
@@ -9,7 +9,6 @@ use dom::bindings::codegen::Bindings::HTMLBodyElementBinding::{self, HTMLBodyEle
 use dom::bindings::codegen::Bindings::WindowBinding::WindowMethods;
 use dom::bindings::inheritance::Castable;
 use dom::bindings::js::{LayoutJS, Root};
-use dom::bindings::reflector::Reflectable;
 use dom::document::Document;
 use dom::element::{AttributeMutation, Element, RawLayoutElementHelpers};
 use dom::eventtarget::EventTarget;
diff --git a/components/script/dom/htmlbuttonelement.rs b/components/script/dom/htmlbuttonelement.rs
index 22fed30a2df..82e88bdc355 100644
--- a/components/script/dom/htmlbuttonelement.rs
+++ b/components/script/dom/htmlbuttonelement.rs
@@ -21,7 +21,6 @@ use dom::nodelist::NodeList;
 use dom::validation::Validatable;
 use dom::validitystate::ValidityState;
 use dom::virtualmethods::VirtualMethods;
-use std::ascii::AsciiExt;
 use std::cell::Cell;
 use string_cache::Atom;
 use style::element_state::*;
diff --git a/components/script/dom/htmlcanvaselement.rs b/components/script/dom/htmlcanvaselement.rs
index 622824f88d9..e97f3b3769b 100644
--- a/components/script/dom/htmlcanvaselement.rs
+++ b/components/script/dom/htmlcanvaselement.rs
@@ -16,7 +16,6 @@ use dom::bindings::global::GlobalRef;
 use dom::bindings::inheritance::Castable;
 use dom::bindings::js::{HeapGCValue, JS, LayoutJS, Root};
 use dom::bindings::num::Finite;
-use dom::bindings::reflector::Reflectable;
 use dom::canvasrenderingcontext2d::{CanvasRenderingContext2D, LayoutCanvasRenderingContext2DHelpers};
 use dom::document::Document;
 use dom::element::{AttributeMutation, Element, RawLayoutElementHelpers};
diff --git a/components/script/dom/htmlelement.rs b/components/script/dom/htmlelement.rs
index 566a86d8804..c8ca4e006b4 100644
--- a/components/script/dom/htmlelement.rs
+++ b/components/script/dom/htmlelement.rs
@@ -15,7 +15,6 @@ use dom::bindings::error::{Error, ErrorResult};
 use dom::bindings::inheritance::Castable;
 use dom::bindings::inheritance::{ElementTypeId, HTMLElementTypeId, NodeTypeId};
 use dom::bindings::js::{JS, MutNullableHeap, Root, RootedReference};
-use dom::bindings::reflector::Reflectable;
 use dom::cssstyledeclaration::{CSSModificationAccess, CSSStyleDeclaration};
 use dom::document::{Document, FocusType};
 use dom::domstringmap::DOMStringMap;
diff --git a/components/script/dom/htmlfieldsetelement.rs b/components/script/dom/htmlfieldsetelement.rs
index b9800dcd1f1..9b0c43ff874 100644
--- a/components/script/dom/htmlfieldsetelement.rs
+++ b/components/script/dom/htmlfieldsetelement.rs
@@ -6,7 +6,7 @@ use dom::attr::Attr;
 use dom::bindings::codegen::Bindings::HTMLFieldSetElementBinding;
 use dom::bindings::codegen::Bindings::HTMLFieldSetElementBinding::HTMLFieldSetElementMethods;
 use dom::bindings::inheritance::{Castable, ElementTypeId, HTMLElementTypeId, NodeTypeId};
-use dom::bindings::js::{Root, RootedReference};
+use dom::bindings::js::Root;
 use dom::document::Document;
 use dom::element::{AttributeMutation, Element};
 use dom::htmlcollection::{CollectionFilter, HTMLCollection};
diff --git a/components/script/dom/htmlformcontrolscollection.rs b/components/script/dom/htmlformcontrolscollection.rs
index 3de32f948c3..0d2896eddad 100644
--- a/components/script/dom/htmlformcontrolscollection.rs
+++ b/components/script/dom/htmlformcontrolscollection.rs
@@ -7,7 +7,6 @@ use dom::bindings::codegen::Bindings::HTMLFormControlsCollectionBinding;
 use dom::bindings::codegen::Bindings::HTMLFormControlsCollectionBinding::HTMLFormControlsCollectionMethods;
 use dom::bindings::codegen::UnionTypes::RadioNodeListOrElement;
 use dom::bindings::global::GlobalRef;
-use dom::bindings::inheritance::Castable;
 use dom::bindings::js::Root;
 use dom::bindings::reflector::{Reflectable, reflect_dom_object};
 use dom::element::Element;
diff --git a/components/script/dom/htmlformelement.rs b/components/script/dom/htmlformelement.rs
index f2e72bb5f4e..92df6695f48 100644
--- a/components/script/dom/htmlformelement.rs
+++ b/components/script/dom/htmlformelement.rs
@@ -43,7 +43,6 @@ use hyper::header::{Charset, ContentDisposition, ContentType, DispositionParam,
 use hyper::method::Method;
 use msg::constellation_msg::{LoadData, PipelineId};
 use rand::random;
-use script_runtime::ScriptChan;
 use script_thread::{MainThreadScriptMsg, Runnable};
 use std::borrow::ToOwned;
 use std::cell::Cell;
diff --git a/components/script/dom/htmliframeelement.rs b/components/script/dom/htmliframeelement.rs
index b3bc303b8b2..d31c8a09484 100644
--- a/components/script/dom/htmliframeelement.rs
+++ b/components/script/dom/htmliframeelement.rs
@@ -38,7 +38,6 @@ use msg::constellation_msg::{NavigationDirection, PipelineId, SubpageId};
 use net_traits::response::HttpsState;
 use script_traits::IFrameSandboxState::{IFrameSandboxed, IFrameUnsandboxed};
 use script_traits::{IFrameLoadInfo, MozBrowserEvent, ScriptMsg as ConstellationMsg};
-use std::ascii::AsciiExt;
 use std::cell::Cell;
 use string_cache::Atom;
 use style::context::ReflowGoal;
diff --git a/components/script/dom/htmlimageelement.rs b/components/script/dom/htmlimageelement.rs
index b71e6b845cd..14fffca5fda 100644
--- a/components/script/dom/htmlimageelement.rs
+++ b/components/script/dom/htmlimageelement.rs
@@ -21,13 +21,12 @@ use dom::htmlelement::HTMLElement;
 use dom::node::{Node, NodeDamage, document_from_node, window_from_node};
 use dom::values::UNSIGNED_LONG_MAX;
 use dom::virtualmethods::VirtualMethods;
-use heapsize::HeapSizeOf;
 use ipc_channel::ipc;
 use ipc_channel::router::ROUTER;
 use net_traits::image::base::{Image, ImageMetadata};
 use net_traits::image_cache_thread::{ImageResponder, ImageResponse};
+use script_runtime::CommonScriptMsg;
 use script_runtime::ScriptThreadEventCategory::UpdateReplacedElement;
-use script_runtime::{CommonScriptMsg, ScriptChan};
 use script_thread::Runnable;
 use std::sync::Arc;
 use string_cache::Atom;
diff --git a/components/script/dom/htmlinputelement.rs b/components/script/dom/htmlinputelement.rs
index a226a2e224c..c1b2f1b7f76 100644
--- a/components/script/dom/htmlinputelement.rs
+++ b/components/script/dom/htmlinputelement.rs
@@ -6,7 +6,6 @@ use caseless::compatibility_caseless_match_str;
 use dom::activation::{Activatable, ActivationSource, synthetic_click_activation};
 use dom::attr::{Attr, AttrValue};
 use dom::bindings::cell::DOMRefCell;
-use dom::bindings::codegen::Bindings::AttrBinding::AttrMethods;
 use dom::bindings::codegen::Bindings::EventBinding::EventMethods;
 use dom::bindings::codegen::Bindings::HTMLInputElementBinding;
 use dom::bindings::codegen::Bindings::HTMLInputElementBinding::HTMLInputElementMethods;
@@ -29,7 +28,6 @@ use dom::nodelist::NodeList;
 use dom::validation::Validatable;
 use dom::virtualmethods::VirtualMethods;
 use msg::constellation_msg::ConstellationChan;
-use script_runtime::ScriptChan;
 use script_traits::ScriptMsg as ConstellationMsg;
 use std::borrow::ToOwned;
 use std::cell::Cell;
diff --git a/components/script/dom/htmlmediaelement.rs b/components/script/dom/htmlmediaelement.rs
index 25e1c9bbb66..8971e1db34c 100644
--- a/components/script/dom/htmlmediaelement.rs
+++ b/components/script/dom/htmlmediaelement.rs
@@ -27,12 +27,10 @@ use ipc_channel::ipc;
 use ipc_channel::router::ROUTER;
 use net_traits::{AsyncResponseListener, AsyncResponseTarget, Metadata, NetworkError};
 use network_listener::{NetworkListener, PreInvoke};
-use script_runtime::ScriptChan;
 use script_thread::{Runnable, ScriptThread};
 use std::cell::Cell;
 use std::sync::{Arc, Mutex};
 use string_cache::Atom;
-use task_source::TaskSource;
 use task_source::dom_manipulation::DOMManipulationTask;
 use time::{self, Timespec, Duration};
 use url::Url;
diff --git a/components/script/dom/htmlscriptelement.rs b/components/script/dom/htmlscriptelement.rs
index 67b959dfe77..3ba0b240e31 100644
--- a/components/script/dom/htmlscriptelement.rs
+++ b/components/script/dom/htmlscriptelement.rs
@@ -15,7 +15,6 @@ use dom::bindings::inheritance::Castable;
 use dom::bindings::js::RootedReference;
 use dom::bindings::js::{JS, Root};
 use dom::bindings::refcounted::Trusted;
-use dom::bindings::trace::JSTraceable;
 use dom::document::Document;
 use dom::element::{AttributeMutation, Element, ElementCreator};
 use dom::event::{Event, EventBubbles, EventCancelable};
@@ -26,7 +25,7 @@ use dom::node::{document_from_node, window_from_node};
 use dom::virtualmethods::VirtualMethods;
 use dom::window::ScriptHelpers;
 use encoding::label::encoding_from_whatwg_label;
-use encoding::types::{DecoderTrap, Encoding, EncodingRef};
+use encoding::types::{DecoderTrap, EncodingRef};
 use html5ever::tree_builder::NextParserState;
 use hyper::http::RawStatus;
 use ipc_channel::ipc;
@@ -35,7 +34,6 @@ use js::jsapi::RootedValue;
 use js::jsval::UndefinedValue;
 use net_traits::{AsyncResponseListener, AsyncResponseTarget, Metadata, NetworkError};
 use network_listener::{NetworkListener, PreInvoke};
-use script_runtime::ScriptChan;
 use std::ascii::AsciiExt;
 use std::cell::Cell;
 use std::mem;
diff --git a/components/script/dom/htmltextareaelement.rs b/components/script/dom/htmltextareaelement.rs
index 122d73e8553..56296ad9321 100644
--- a/components/script/dom/htmltextareaelement.rs
+++ b/components/script/dom/htmltextareaelement.rs
@@ -10,7 +10,6 @@ use dom::bindings::codegen::Bindings::HTMLTextAreaElementBinding::HTMLTextAreaEl
 use dom::bindings::codegen::Bindings::NodeBinding::NodeMethods;
 use dom::bindings::inheritance::Castable;
 use dom::bindings::js::{LayoutJS, Root};
-use dom::bindings::reflector::{Reflectable};
 use dom::document::Document;
 use dom::element::RawLayoutElementHelpers;
 use dom::element::{AttributeMutation, Element};
@@ -25,7 +24,6 @@ use dom::nodelist::NodeList;
 use dom::validation::Validatable;
 use dom::virtualmethods::VirtualMethods;
 use msg::constellation_msg::ConstellationChan;
-use script_runtime::ScriptChan;
 use script_traits::ScriptMsg as ConstellationMsg;
 use std::cell::Cell;
 use std::ops::Range;
diff --git a/components/script/dom/keyboardevent.rs b/components/script/dom/keyboardevent.rs
index 91d69e7cfd8..b70b0721a18 100644
--- a/components/script/dom/keyboardevent.rs
+++ b/components/script/dom/keyboardevent.rs
@@ -10,7 +10,7 @@ use dom::bindings::error::Fallible;
 use dom::bindings::global::GlobalRef;
 use dom::bindings::inheritance::Castable;
 use dom::bindings::js::{Root, RootedReference};
-use dom::bindings::reflector::{Reflectable, reflect_dom_object};
+use dom::bindings::reflector::reflect_dom_object;
 use dom::event::Event;
 use dom::uievent::UIEvent;
 use dom::window::Window;
diff --git a/components/script/dom/node.rs b/components/script/dom/node.rs
index 21b79bd8e2f..20d387cee9a 100644
--- a/components/script/dom/node.rs
+++ b/components/script/dom/node.rs
@@ -14,7 +14,6 @@ use dom::bindings::codegen::Bindings::CharacterDataBinding::CharacterDataMethods
 use dom::bindings::codegen::Bindings::DocumentBinding::DocumentMethods;
 use dom::bindings::codegen::Bindings::ElementBinding::ElementMethods;
 use dom::bindings::codegen::Bindings::HTMLCollectionBinding::HTMLCollectionMethods;
-use dom::bindings::codegen::Bindings::NamedNodeMapBinding::NamedNodeMapMethods;
 use dom::bindings::codegen::Bindings::NodeBinding::{NodeConstants, NodeMethods};
 use dom::bindings::codegen::Bindings::NodeListBinding::NodeListMethods;
 use dom::bindings::codegen::Bindings::ProcessingInstructionBinding::ProcessingInstructionMethods;
@@ -29,7 +28,6 @@ use dom::bindings::js::Root;
 use dom::bindings::js::RootedReference;
 use dom::bindings::js::{JS, LayoutJS, MutNullableHeap};
 use dom::bindings::reflector::{Reflectable, reflect_dom_object};
-use dom::bindings::trace::JSTraceable;
 use dom::bindings::trace::RootedVec;
 use dom::bindings::xmlname::namespace_from_domstring;
 use dom::characterdata::{CharacterData, LayoutCharacterDataHelpers};
diff --git a/components/script/dom/servohtmlparser.rs b/components/script/dom/servohtmlparser.rs
index 993d3f0c28d..8c12c34ffa1 100644
--- a/components/script/dom/servohtmlparser.rs
+++ b/components/script/dom/servohtmlparser.rs
@@ -28,7 +28,6 @@ use msg::constellation_msg::{PipelineId, SubpageId};
 use net_traits::{AsyncResponseListener, Metadata, NetworkError};
 use network_listener::PreInvoke;
 use parse::{TrustedParser, ParserRef, Parser};
-use script_runtime::ScriptChan;
 use script_thread::ScriptThread;
 use std::cell::Cell;
 use std::default::Default;
diff --git a/components/script/dom/storage.rs b/components/script/dom/storage.rs
index 65416c0eb25..9801c701ec7 100644
--- a/components/script/dom/storage.rs
+++ b/components/script/dom/storage.rs
@@ -7,7 +7,7 @@ use dom::bindings::codegen::Bindings::StorageBinding::StorageMethods;
 use dom::bindings::error::{Error, ErrorResult};
 use dom::bindings::global::GlobalRef;
 use dom::bindings::inheritance::Castable;
-use dom::bindings::js::{Root, RootedReference};
+use dom::bindings::js::Root;
 use dom::bindings::refcounted::Trusted;
 use dom::bindings::reflector::{Reflectable, Reflector, reflect_dom_object};
 use dom::browsingcontext::IterableContext;
@@ -16,7 +16,6 @@ use dom::storageevent::StorageEvent;
 use dom::urlhelper::UrlHelper;
 use ipc_channel::ipc;
 use net_traits::storage_thread::{StorageThread, StorageThreadMsg, StorageType};
-use script_runtime::ScriptChan;
 use script_thread::{MainThreadRunnable, ScriptThread};
 use task_source::dom_manipulation::DOMManipulationTask;
 use url::Url;
diff --git a/components/script/dom/textdecoder.rs b/components/script/dom/textdecoder.rs
index 30ecb84f2af..50bf1c4c9ea 100644
--- a/components/script/dom/textdecoder.rs
+++ b/components/script/dom/textdecoder.rs
@@ -10,8 +10,6 @@ use dom::bindings::global::GlobalRef;
 use dom::bindings::js::Root;
 use dom::bindings::reflector::{Reflector, reflect_dom_object};
 use dom::bindings::str::USVString;
-use dom::bindings::trace::JSTraceable;
-use encoding::Encoding;
 use encoding::label::encoding_from_whatwg_label;
 use encoding::types::{DecoderTrap, EncodingRef};
 use js::jsapi::{JSContext, JSObject};
diff --git a/components/script/dom/textencoder.rs b/components/script/dom/textencoder.rs
index 4eae6a97707..a932dfcfe4e 100644
--- a/components/script/dom/textencoder.rs
+++ b/components/script/dom/textencoder.rs
@@ -9,9 +9,9 @@ use dom::bindings::global::GlobalRef;
 use dom::bindings::js::Root;
 use dom::bindings::reflector::{Reflector, reflect_dom_object};
 use dom::bindings::str::USVString;
+use encoding::EncoderTrap;
 use encoding::label::encoding_from_whatwg_label;
 use encoding::types::EncodingRef;
-use encoding::{EncoderTrap, Encoding};
 use js::jsapi::{JSContext, JSObject};
 use js::jsapi::{JS_GetUint8ArrayData, JS_NewUint8Array};
 use libc::uint8_t;
diff --git a/components/script/dom/websocket.rs b/components/script/dom/websocket.rs
index eb5ce8ab316..76f311a185d 100644
--- a/components/script/dom/websocket.rs
+++ b/components/script/dom/websocket.rs
@@ -5,7 +5,6 @@
 use dom::bindings::cell::DOMRefCell;
 use dom::bindings::codegen::Bindings::BlobBinding::BlobMethods;
 use dom::bindings::codegen::Bindings::EventHandlerBinding::EventHandlerNonNull;
-use dom::bindings::codegen::Bindings::LocationBinding::LocationMethods;
 use dom::bindings::codegen::Bindings::WebSocketBinding;
 use dom::bindings::codegen::Bindings::WebSocketBinding::{BinaryType, WebSocketMethods};
 use dom::bindings::codegen::UnionTypes::StringOrStringSequence;
@@ -17,7 +16,6 @@ use dom::bindings::js::Root;
 use dom::bindings::refcounted::Trusted;
 use dom::bindings::reflector::{Reflectable, reflect_dom_object};
 use dom::bindings::str::{USVString, is_token};
-use dom::bindings::trace::JSTraceable;
 use dom::blob::{Blob, DataSlice};
 use dom::closeevent::CloseEvent;
 use dom::event::{Event, EventBubbles, EventCancelable};
diff --git a/components/script/dom/window.rs b/components/script/dom/window.rs
index 1eae119b04f..46e07794dfd 100644
--- a/components/script/dom/window.rs
+++ b/components/script/dom/window.rs
@@ -14,7 +14,6 @@ use dom::bindings::codegen::Bindings::WindowBinding::{self, FrameRequestCallback
 use dom::bindings::error::{Error, Fallible, report_pending_exception};
 use dom::bindings::global::GlobalRef;
 use dom::bindings::inheritance::Castable;
-use dom::bindings::js::RootedReference;
 use dom::bindings::js::{JS, MutNullableHeap, Root};
 use dom::bindings::num::Finite;
 use dom::bindings::reflector::Reflectable;
diff --git a/components/script/dom/worker.rs b/components/script/dom/worker.rs
index e15670fbefd..1c7fc6def0d 100644
--- a/components/script/dom/worker.rs
+++ b/components/script/dom/worker.rs
@@ -13,7 +13,6 @@ use dom::bindings::js::Root;
 use dom::bindings::refcounted::Trusted;
 use dom::bindings::reflector::{Reflectable, reflect_dom_object};
 use dom::bindings::structuredclone::StructuredCloneData;
-use dom::bindings::trace::JSTraceable;
 use dom::dedicatedworkerglobalscope::{DedicatedWorkerGlobalScope, WorkerScriptMsg};
 use dom::errorevent::ErrorEvent;
 use dom::event::{Event, EventBubbles, EventCancelable};
@@ -25,7 +24,6 @@ use js::jsapi::{HandleValue, JSContext, JSRuntime, RootedValue};
 use js::jsapi::{JSAutoCompartment, JS_RequestInterruptCallback};
 use js::jsval::UndefinedValue;
 use js::rust::Runtime;
-use script_runtime::ScriptChan;
 use script_thread::Runnable;
 use std::sync::atomic::{AtomicBool, Ordering};
 use std::sync::mpsc::{Sender, channel};
diff --git a/components/script/dom/xmldocument.rs b/components/script/dom/xmldocument.rs
index 9d156682fa2..165ca6c6f5f 100644
--- a/components/script/dom/xmldocument.rs
+++ b/components/script/dom/xmldocument.rs
@@ -7,8 +7,8 @@ use dom::bindings::codegen::Bindings::DocumentBinding::DocumentMethods;
 use dom::bindings::codegen::Bindings::XMLDocumentBinding::{self, XMLDocumentMethods};
 use dom::bindings::global::GlobalRef;
 use dom::bindings::inheritance::Castable;
-use dom::bindings::js::{Root, RootedReference};
-use dom::bindings::reflector::{Reflectable, reflect_dom_object};
+use dom::bindings::js::Root;
+use dom::bindings::reflector::reflect_dom_object;
 use dom::browsingcontext::BrowsingContext;
 use dom::document::{Document, DocumentSource, IsHTMLDocument};
 use dom::location::Location;
diff --git a/components/script/dom/xmlhttprequest.rs b/components/script/dom/xmlhttprequest.rs
index 49f4be06d9b..e3d14ce6e67 100644
--- a/components/script/dom/xmlhttprequest.rs
+++ b/components/script/dom/xmlhttprequest.rs
@@ -50,7 +50,7 @@ use net_traits::{LoadConsumer, LoadContext, LoadData, ResourceCORSData, Resource
 use network_listener::{NetworkListener, PreInvoke};
 use parse::html::{ParseContext, parse_html};
 use parse::xml::{self, parse_xml};
-use script_runtime::{ScriptChan, ScriptPort};
+use script_runtime::ScriptChan;
 use std::ascii::AsciiExt;
 use std::borrow::ToOwned;
 use std::cell::{Cell, RefCell};
diff --git a/components/script/parse/xml.rs b/components/script/parse/xml.rs
index 74741af8806..121dc38ff05 100644
--- a/components/script/parse/xml.rs
+++ b/components/script/parse/xml.rs
@@ -6,7 +6,7 @@
 
 use dom::bindings::codegen::Bindings::NodeBinding::NodeMethods;
 use dom::bindings::inheritance::Castable;
-use dom::bindings::js::{JS, Root, RootedReference};
+use dom::bindings::js::{JS, Root};
 use dom::comment::Comment;
 use dom::document::Document;
 use dom::documenttype::DocumentType;
diff --git a/components/script/task_source/user_interaction.rs b/components/script/task_source/user_interaction.rs
index 59d7d728185..8422501cc83 100644
--- a/components/script/task_source/user_interaction.rs
+++ b/components/script/task_source/user_interaction.rs
@@ -5,7 +5,6 @@
 use dom::bindings::refcounted::Trusted;
 use dom::event::{EventBubbles, EventCancelable};
 use dom::eventtarget::EventTarget;
-use script_runtime::ScriptChan;
 use script_thread::MainThreadScriptMsg;
 use std::result::Result;
 use std::sync::mpsc::Sender;
diff --git a/components/script/timers.rs b/components/script/timers.rs
index 473b2fc030c..c680fe408bc 100644
--- a/components/script/timers.rs
+++ b/components/script/timers.rs
@@ -7,7 +7,6 @@ use dom::bindings::cell::DOMRefCell;
 use dom::bindings::codegen::Bindings::FunctionBinding::Function;
 use dom::bindings::global::GlobalRef;
 use dom::bindings::reflector::Reflectable;
-use dom::bindings::trace::JSTraceable;
 use dom::window::ScriptHelpers;
 use dom::xmlhttprequest::XHRTimeoutCallback;
 use euclid::length::Length;
@@ -15,7 +14,6 @@ use heapsize::HeapSizeOf;
 use ipc_channel::ipc::IpcSender;
 use js::jsapi::{HandleValue, Heap, RootedValue};
 use js::jsval::{JSVal, UndefinedValue};
-use num_traits::Saturating;
 use script_traits::{MsDuration, precise_time_ms};
 use script_traits::{TimerEvent, TimerEventId, TimerEventRequest, TimerSource};
 use std::cell::Cell;
diff --git a/components/style/font_face.rs b/components/style/font_face.rs
index 8c9b1f3d28a..d41daea2f50 100644
--- a/components/style/font_face.rs
+++ b/components/style/font_face.rs
@@ -6,7 +6,6 @@ use computed_values::font_family::FontFamily;
 use cssparser::{AtRuleParser, DeclarationListParser, DeclarationParser, Parser};
 use parser::{ParserContext, log_css_error};
 use properties::longhands::font_family::parse_one_family;
-use std::ascii::AsciiExt;
 use url::Url;
 
 #[derive(Clone, Debug, HeapSizeOf, PartialEq, Eq, Deserialize, Serialize)]
diff --git a/components/style/media_queries.rs b/components/style/media_queries.rs
index 2af3ee833ee..859b86ea963 100644
--- a/components/style/media_queries.rs
+++ b/components/style/media_queries.rs
@@ -6,7 +6,6 @@ use app_units::Au;
 use cssparser::{Delimiter, Parser, Token};
 use euclid::size::{Size2D, TypedSize2D};
 use properties::longhands;
-use std::ascii::AsciiExt;
 use util::geometry::ViewportPx;
 use values::specified;
 
diff --git a/components/style/properties/properties.mako.rs b/components/style/properties/properties.mako.rs
index 0299b3a4276..d3c1d5a36ab 100644
--- a/components/style/properties/properties.mako.rs
+++ b/components/style/properties/properties.mako.rs
@@ -1368,7 +1368,7 @@ pub fn cascade<C: ComputedValues>(
                cached_style: Option<<&C>,
                mut error_reporter: StdBox<ParseErrorReporter + Send>)
                -> (C, bool) {
-    use properties::style_struct_traits::{Border, Box, Color, Font, Outline};
+    use properties::style_struct_traits::{Border, Box, Font, Outline};
     let initial_values = C::initial_values();
     let (is_root_element, inherited_style) = match parent_style {
         Some(parent_style) => (false, parent_style),
diff --git a/components/style/selector_matching.rs b/components/style/selector_matching.rs
index 4faf9aa0eb4..c1989348f50 100644
--- a/components/style/selector_matching.rs
+++ b/components/style/selector_matching.rs
@@ -7,9 +7,9 @@
 
 use dom::PresentationalHintsSynthetizer;
 use element_state::*;
-use error_reporting::{ParseErrorReporter, StdoutErrorReporter};
+use error_reporting::StdoutErrorReporter;
 use media_queries::{Device, MediaType};
-use properties::{self, ComputedValues, PropertyDeclaration, PropertyDeclarationBlock};
+use properties::{self, PropertyDeclaration, PropertyDeclarationBlock};
 use restyle_hints::{ElementSnapshot, RestyleHint, DependencySet};
 use selector_impl::{SelectorImplExt, ServoSelectorImpl};
 use selectors::Element;
diff --git a/components/style/stylesheets.rs b/components/style/stylesheets.rs
index 0e40799eb2b..7a978263b2b 100644
--- a/components/style/stylesheets.rs
+++ b/components/style/stylesheets.rs
@@ -12,7 +12,6 @@ use parser::{ParserContext, log_css_error};
 use properties::{PropertyDeclarationBlock, parse_property_declaration_list};
 use selectors::parser::{Selector, SelectorImpl, parse_selector_list};
 use smallvec::SmallVec;
-use std::ascii::AsciiExt;
 use std::cell::Cell;
 use std::iter::Iterator;
 use std::marker::PhantomData;
diff --git a/components/style/viewport.rs b/components/style/viewport.rs
index 2f8377102c9..e9308f5403a 100644
--- a/components/style/viewport.rs
+++ b/components/style/viewport.rs
@@ -512,7 +512,6 @@ impl MaybeNew for ViewportConstraints {
                      rule: &ViewportRule)
                      -> Option<ViewportConstraints>
     {
-        use num_traits::{Float, ToPrimitive};
         use std::cmp;
 
         if rule.declarations.is_empty() {
diff --git a/components/style_traits/cursor.rs b/components/style_traits/cursor.rs
index 7f139fd498e..873bb3527a4 100644
--- a/components/style_traits/cursor.rs
+++ b/components/style_traits/cursor.rs
@@ -5,7 +5,6 @@
 //! A list of common mouse cursors per CSS3-UI § 8.1.1.
 
 use cssparser::ToCss;
-use std::ascii::AsciiExt;
 
 macro_rules! define_cursor {
     ($( $css: expr => $variant: ident = $value: expr, )+) => {