diff --git a/components/script_traits/lib.rs b/components/script_traits/lib.rs
index 626819ebea6..97131a8bb90 100644
--- a/components/script_traits/lib.rs
+++ b/components/script_traits/lib.rs
@@ -76,9 +76,6 @@ pub enum ConstellationControlMsg {
     UpdateSubpageId(PipelineId, SubpageId, SubpageId),
 }
 
-unsafe impl Send for ConstellationControlMsg {
-}
-
 /// The mouse button involved in the event.
 #[derive(Clone, Debug)]
 pub enum MouseButton {
diff --git a/components/servo/Cargo.lock b/components/servo/Cargo.lock
index 862b17b01df..7bad5e11a28 100644
--- a/components/servo/Cargo.lock
+++ b/components/servo/Cargo.lock
@@ -816,7 +816,7 @@ dependencies = [
 [[package]]
 name = "selectors"
 version = "0.1.0"
-source = "git+https://github.com/servo/rust-selectors#f3cffb2c37cf1a4dac06a02eb00a882626039a0c"
+source = "git+https://github.com/servo/rust-selectors#12d3ce84a12ded4cf1def63651ccab06e1cfa80e"
 dependencies = [
  "bitflags 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "cssparser 0.2.0 (git+https://github.com/servo/rust-cssparser)",
diff --git a/ports/cef/Cargo.lock b/ports/cef/Cargo.lock
index f182a770fe7..44a2d9a84ac 100644
--- a/ports/cef/Cargo.lock
+++ b/ports/cef/Cargo.lock
@@ -822,7 +822,7 @@ dependencies = [
 [[package]]
 name = "selectors"
 version = "0.1.0"
-source = "git+https://github.com/servo/rust-selectors#f3cffb2c37cf1a4dac06a02eb00a882626039a0c"
+source = "git+https://github.com/servo/rust-selectors#12d3ce84a12ded4cf1def63651ccab06e1cfa80e"
 dependencies = [
  "bitflags 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "cssparser 0.2.0 (git+https://github.com/servo/rust-cssparser)",
diff --git a/ports/gonk/Cargo.lock b/ports/gonk/Cargo.lock
index a249d547732..8fad18d177c 100644
--- a/ports/gonk/Cargo.lock
+++ b/ports/gonk/Cargo.lock
@@ -746,7 +746,7 @@ dependencies = [
 [[package]]
 name = "selectors"
 version = "0.1.0"
-source = "git+https://github.com/servo/rust-selectors#f3cffb2c37cf1a4dac06a02eb00a882626039a0c"
+source = "git+https://github.com/servo/rust-selectors#12d3ce84a12ded4cf1def63651ccab06e1cfa80e"
 dependencies = [
  "bitflags 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "cssparser 0.2.0 (git+https://github.com/servo/rust-cssparser)",