diff --git a/src/servo/css/styles.rs b/src/servo/css/styles.rs
index e7796c7b98d..1558519c752 100644
--- a/src/servo/css/styles.rs
+++ b/src/servo/css/styles.rs
@@ -13,6 +13,7 @@ use util::color::{Color, rgb};
 use util::color::css_colors::{white, black};
 use layout::context::LayoutContext;
 
+#[allow(non_implicitly_copyable_typarams)]
 type SpecifiedStyle = {mut background_color : CSSValue<CSSBackgroundColor>,
                        mut background_image : CSSValue<CSSBackgroundImage>,
                         mut display_type : CSSValue<CSSDisplay>,
@@ -72,6 +73,7 @@ impl NodeKind : DefaultStyleMethods {
  * style is computed so that it can be used to short-circuit selector matching to avoid computing
  * style for children of display:none objects.
  */
+#[allow(non_implicitly_copyable_typarams)]
 fn empty_style_for_node_kind(kind: &NodeKind) -> SpecifiedStyle {
     let display_type = kind.default_display_type();
 
diff --git a/src/servo/dom/bindings/element.rs b/src/servo/dom/bindings/element.rs
index 62478f35358..f04933ede2a 100644
--- a/src/servo/dom/bindings/element.rs
+++ b/src/servo/dom/bindings/element.rs
@@ -64,6 +64,7 @@ pub fn init(compartment: &bare_compartment) {
     });
 }
 
+#[allow(non_implicitly_copyable_typarams)]
 extern fn HTMLImageElement_getWidth(cx: *JSContext, _argc: c_uint, vp: *mut jsval)
     -> JSBool unsafe {
     let obj = JS_THIS_OBJECT(cx, cast::reinterpret_cast(&vp));
@@ -97,6 +98,7 @@ extern fn HTMLImageElement_getWidth(cx: *JSContext, _argc: c_uint, vp: *mut jsva
     return 1;
 }
 
+#[allow(non_implicitly_copyable_typarams)]
 extern fn HTMLImageElement_setWidth(cx: *JSContext, _argc: c_uint, vp: *mut jsval)
     -> JSBool unsafe {
     let obj = JS_THIS_OBJECT(cx, cast::reinterpret_cast(&vp));
@@ -122,6 +124,7 @@ extern fn HTMLImageElement_setWidth(cx: *JSContext, _argc: c_uint, vp: *mut jsva
     return 1;
 }
 
+#[allow(non_implicitly_copyable_typarams)]
 extern fn getTagName(cx: *JSContext, _argc: c_uint, vp: *mut jsval)
     -> JSBool {
     unsafe {
@@ -147,6 +150,7 @@ extern fn getTagName(cx: *JSContext, _argc: c_uint, vp: *mut jsval)
     return 1;
 }
 
+#[allow(non_implicitly_copyable_typarams)]
 pub fn create(cx: *JSContext, node: Node, scope: NodeScope) -> jsobj unsafe {
     let proto = scope.write(&node, |nd| {
         match nd.kind {
diff --git a/src/servo/dom/bindings/node.rs b/src/servo/dom/bindings/node.rs
index f27849df520..4feb12eff05 100644
--- a/src/servo/dom/bindings/node.rs
+++ b/src/servo/dom/bindings/node.rs
@@ -41,6 +41,7 @@ pub fn init(compartment: &bare_compartment) {
     });
 }
 
+#[allow(non_implicitly_copyable_typarams)]
 pub fn create(cx: *JSContext, node: Node, scope: NodeScope) -> jsobj unsafe {
     do scope.write(&node) |nd| {
         match nd.kind {
@@ -77,6 +78,7 @@ unsafe fn unwrap(obj: *JSObject) -> *rust_box<NodeBundle> {
     cast::reinterpret_cast(&RUST_JSVAL_TO_PRIVATE(val))
 }
 
+#[allow(non_implicitly_copyable_typarams)]
 extern fn getFirstChild(cx: *JSContext, _argc: c_uint, vp: *mut jsval) -> JSBool {
     unsafe {
         let obj = JS_THIS_OBJECT(cx, cast::reinterpret_cast(&vp));
@@ -100,6 +102,7 @@ extern fn getFirstChild(cx: *JSContext, _argc: c_uint, vp: *mut jsval) -> JSBool
     return 1;
 }
 
+#[allow(non_implicitly_copyable_typarams)]
 extern fn getNextSibling(cx: *JSContext, _argc: c_uint, vp: *mut jsval) -> JSBool {
     unsafe {
         let obj = JS_THIS_OBJECT(cx, cast::reinterpret_cast(&vp));
diff --git a/src/servo/dom/element.rs b/src/servo/dom/element.rs
index 54112eb8b12..bd00eef322b 100644
--- a/src/servo/dom/element.rs
+++ b/src/servo/dom/element.rs
@@ -10,6 +10,7 @@ struct ElementData {
     attrs: DVec<~Attr>,
 }
 
+#[allow(non_implicitly_copyable_typarams)]
 impl ElementData {
     fn get_attr(name: &str) -> Option<~str> {
         let found = do self.attrs.find |attr| { name == attr.name };
diff --git a/src/servo/dom/window.rs b/src/servo/dom/window.rs
index 4f3fd09e68f..08d02fca1fb 100644
--- a/src/servo/dom/window.rs
+++ b/src/servo/dom/window.rs
@@ -40,6 +40,8 @@ pub fn TimerData(argc: libc::c_uint, argv: *jsval) -> TimerData unsafe {
     data
 }
 
+// FIXME: delayed_send shouldn't require Copy
+#[allow(non_implicitly_copyable_typarams)]
 impl Window {
     fn alert(s: &str) {
         // Right now, just print to the console