diff --git a/src/cgmath/point.rs b/src/cgmath/point.rs
index 854201a..91eb9dc 100644
--- a/src/cgmath/point.rs
+++ b/src/cgmath/point.rs
@@ -85,8 +85,8 @@ pub trait Point
 array!(impl<S> Point2<S> -> [S, ..2] _2)
 array!(impl<S> Point3<S> -> [S, ..3] _3)
 
-impl<S: Primitive> Point<S, Vec2<S>, [S, ..2]> for Point2<S>;
-impl<S: Primitive> Point<S, Vec3<S>, [S, ..3]> for Point3<S>;
+impl<S: Primitive> Point<S, Vec2<S>, [S, ..2]> for Point2<S> {}
+impl<S: Primitive> Point<S, Vec3<S>, [S, ..3]> for Point3<S> {}
 
 impl<S> ToStr for Point2<S> {
     fn to_str(&self) -> ~str {
diff --git a/src/cgmath/vector.rs b/src/cgmath/vector.rs
index 5ca18ff..713fb84 100644
--- a/src/cgmath/vector.rs
+++ b/src/cgmath/vector.rs
@@ -155,9 +155,9 @@ impl<S: Primitive> Neg<Vec2<S>> for Vec2<S> { #[inline] fn neg(&self) -> Vec2<S>
 impl<S: Primitive> Neg<Vec3<S>> for Vec3<S> { #[inline] fn neg(&self) -> Vec3<S> { build(|i| self.i(i).neg()) } }
 impl<S: Primitive> Neg<Vec4<S>> for Vec4<S> { #[inline] fn neg(&self) -> Vec4<S> { build(|i| self.i(i).neg()) } }
 
-impl<S: Primitive> Vector<S, [S, ..2]> for Vec2<S>;
-impl<S: Primitive> Vector<S, [S, ..3]> for Vec3<S>;
-impl<S: Primitive> Vector<S, [S, ..4]> for Vec4<S>;
+impl<S: Primitive> Vector<S, [S, ..2]> for Vec2<S> {}
+impl<S: Primitive> Vector<S, [S, ..3]> for Vec3<S> {}
+impl<S: Primitive> Vector<S, [S, ..4]> for Vec4<S> {}
 
 /// Operations specific to numeric two-dimensional vectors.
 impl<S: Primitive> Vec2<S> {