diff --git a/components/style/matching.rs b/components/style/matching.rs
index 2cd51352355..65dc0b6e1b0 100644
--- a/components/style/matching.rs
+++ b/components/style/matching.rs
@@ -6,7 +6,7 @@
 
 #![allow(unsafe_code)]
 
-use animation::{self, Animation};
+use animation;
 use arc_ptr_eq;
 use cache::{LRUCache, SimpleHashCache};
 use context::{StyleContext, SharedStyleContext};
diff --git a/components/style/traversal.rs b/components/style/traversal.rs
index d1cf9eb833b..e56db456dbf 100644
--- a/components/style/traversal.rs
+++ b/components/style/traversal.rs
@@ -12,7 +12,6 @@ use selector_impl::SelectorImplExt;
 use selectors::Element;
 use selectors::bloom::BloomFilter;
 use std::cell::RefCell;
-use std::sync::Arc;
 use tid::tid;
 use util::opts;
 use values::HasViewportPercentage;
diff --git a/components/style/values/specified/mod.rs b/components/style/values/specified/mod.rs
index 3bede8228bc..5dd8bcc0bd4 100644
--- a/components/style/values/specified/mod.rs
+++ b/components/style/values/specified/mod.rs
@@ -1189,7 +1189,7 @@ pub struct UrlExtraData {
 
 impl UrlExtraData {
     #[cfg(feature = "servo")]
-    pub fn make_from(_context: &ParserContext) -> Option<UrlExtraData> {
+    pub fn make_from(_: &ParserContext) -> Option<UrlExtraData> {
         Some(UrlExtraData { })
     }
 
diff --git a/tests/unit/style/parsing/basic_shape.rs b/tests/unit/style/parsing/basic_shape.rs
new file mode 100644
index 00000000000..d6a14edef08
--- /dev/null
+++ b/tests/unit/style/parsing/basic_shape.rs
@@ -0,0 +1,3 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * 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/. */
\ No newline at end of file