diff --git a/components/script/dom/document.rs b/components/script/dom/document.rs
index a708e9b6cc6..9e7f0e38f55 100644
--- a/components/script/dom/document.rs
+++ b/components/script/dom/document.rs
@@ -115,8 +115,8 @@ use style::restyle_hints::ElementSnapshot;
 use style::servo::Stylesheet;
 use task_source::dom_manipulation::DOMManipulationTask;
 use time;
+use url::Url;
 use url::percent_encoding::percent_decode;
-use url::{Host, Url};
 use util::str::{DOMString, split_html_space_chars, str_join};
 
 #[derive(JSTraceable, PartialEq, HeapSizeOf)]
diff --git a/components/script/dom/stylesheetlist.rs b/components/script/dom/stylesheetlist.rs
index d6c58256dc2..1b7eb643e50 100644
--- a/components/script/dom/stylesheetlist.rs
+++ b/components/script/dom/stylesheetlist.rs
@@ -40,7 +40,7 @@ impl StyleSheetListMethods for StyleSheetList {
     }
 
     // https://drafts.csswg.org/cssom/#dom-stylesheetlist-item
-    fn Item(&self, index: u32) -> Option<Root<StyleSheet>> {
+    fn Item(&self, _index: u32) -> Option<Root<StyleSheet>> {
         None
         //TODO Create a new StyleSheet object and return it
     }
diff --git a/tests/unit/util/prefs.rs b/tests/unit/util/prefs.rs
index bb0226a7d25..98bc35b4dc3 100644
--- a/tests/unit/util/prefs.rs
+++ b/tests/unit/util/prefs.rs
@@ -2,7 +2,7 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
-use util::prefs::{PrefValue, extend_prefs, read_prefs_from_file, get_pref, set_pref, reset_pref, reset_all_prefs};
+use util::prefs::{PrefValue, extend_prefs, read_prefs_from_file, get_pref, set_pref, reset_pref};
 
 #[test]
 fn test_create_pref() {