diff --git a/components/layout_thread/Cargo.toml b/components/layout_thread/Cargo.toml
index 7bdb3ee8e32..a75480d40bf 100644
--- a/components/layout_thread/Cargo.toml
+++ b/components/layout_thread/Cargo.toml
@@ -24,7 +24,6 @@ lazy_static = "0.2"
 log = "0.3.5"
 msg = {path = "../msg"}
 net_traits = {path = "../net_traits"}
-style_traits = {path = "../style_traits"}
 parking_lot = {version = "0.3.3", features = ["nightly"]}
 plugins = {path = "../plugins"}
 profile_traits = {path = "../profile_traits"}
diff --git a/components/layout_thread/lib.rs b/components/layout_thread/lib.rs
index 73a6e6c9865..32903421075 100644
--- a/components/layout_thread/lib.rs
+++ b/components/layout_thread/lib.rs
@@ -42,7 +42,6 @@ extern crate selectors;
 extern crate serde_json;
 extern crate servo_url;
 extern crate style;
-extern crate style_traits;
 extern crate util;
 extern crate webrender_traits;
 
diff --git a/ports/cef/Cargo.lock b/ports/cef/Cargo.lock
index 01257ed3a0a..8eb1d54f5bd 100644
--- a/ports/cef/Cargo.lock
+++ b/ports/cef/Cargo.lock
@@ -1203,7 +1203,6 @@ dependencies = [
  "serde_json 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "servo_url 0.0.1",
  "style 0.0.1",
- "style_traits 0.0.1",
  "util 0.0.1",
  "webrender_traits 0.9.0 (git+https://github.com/servo/webrender)",
 ]
diff --git a/ports/servo/Cargo.lock b/ports/servo/Cargo.lock
index d56d04c0039..cb6a7203018 100644
--- a/ports/servo/Cargo.lock
+++ b/ports/servo/Cargo.lock
@@ -1289,7 +1289,6 @@ dependencies = [
  "serde_json 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "servo_url 0.0.1",
  "style 0.0.1",
- "style_traits 0.0.1",
  "util 0.0.1",
  "webrender_traits 0.9.0 (git+https://github.com/servo/webrender)",
 ]