diff --git a/Cargo.toml b/Cargo.toml
index 828b357..485444d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "euclid"
-version = "0.16.3"
+version = "0.16.4"
 authors = ["The Servo Project Developers"]
 description = "Geometry primitives"
 documentation = "https://docs.rs/euclid/"
@@ -14,8 +14,7 @@ unstable = []
 
 [dependencies]
 num-traits = {version = "0.1.32", default-features = false}
-log = "0.3.1"
-serde = "1.0"
+serde = { version = "1.0", features = ["serde_derive"] }
 
 [dev-dependencies]
 rand = "0.3.7"
diff --git a/src/lib.rs b/src/lib.rs
index 7bf8b09..10cc5a1 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -55,8 +55,7 @@
 //! assert_eq!(p.x, p.x_typed().get());
 //! ```
 
-#[cfg_attr(test, macro_use)]
-extern crate log;
+#[macro_use]
 extern crate serde;
 
 extern crate num_traits;
diff --git a/src/rotation.rs b/src/rotation.rs
index d961992..47ef41a 100644
--- a/src/rotation.rs
+++ b/src/rotation.rs
@@ -17,7 +17,7 @@ use {TypedPoint2D, TypedPoint3D, TypedVector2D, TypedVector3D, Vector3D, point2,
 use {TypedTransform2D, TypedTransform3D, UnknownUnit};
 
 /// An angle in radians
-#[derive(Copy, Clone, Debug, PartialEq, Eq, PartialOrd, Hash)]
+#[derive(Copy, Clone, Debug, PartialEq, Eq, PartialOrd, Hash, Serialize, Deserialize)]
 pub struct Angle<T> {
     pub radians: T,
 }
diff --git a/src/transform3d.rs b/src/transform3d.rs
index 7993ae7..2876c6c 100644
--- a/src/transform3d.rs
+++ b/src/transform3d.rs
@@ -768,7 +768,6 @@ mod tests {
              0.0,  0.0,        -1.0, 0.0,
             -1.0, -1.22222222, -0.0, 1.0
         );
-        debug!("result={:?} expected={:?}", result, expected);
         assert!(result.approx_eq(&expected));
     }