diff --git a/src/librustc_front/hir.rs b/src/librustc_front/hir.rs
index cd8fb09406e..86f8635f58d 100644
--- a/src/librustc_front/hir.rs
+++ b/src/librustc_front/hir.rs
@@ -931,7 +931,6 @@ pub struct TypeBinding {
 }
 
 
-// NB PartialEq method appears below.
 #[derive(Clone, PartialEq, Eq, RustcEncodable, RustcDecodable, Hash)]
 pub struct Ty {
     pub id: NodeId,