1 files changed, 3 insertions, 3 deletions
diff --git a/src/libsyntax/ext/tt/transcribe.rs b/src/libsyntax/ext/tt/transcribe.rs
index 8af5e952e9a..86e81ede8b0 100644
--- a/src/libsyntax/ext/tt/transcribe.rs
+++ b/src/libsyntax/ext/tt/transcribe.rs
@@ -24,7 +24,7 @@ use std::ops::Add;
 use std::collections::HashMap;
 
 ///an unzipping of `TokenTree`s
-#[deriving(Clone)]
+#[derive(Clone)]
 struct TtFrame {
     forest: TokenTree,
     idx: uint,
@@ -32,7 +32,7 @@ struct TtFrame {
     sep: Option<Token>,
 }
 
-#[deriving(Clone)]
+#[derive(Clone)]
 pub struct TtReader<'a> {
     pub sp_diag: &'a SpanHandler,
     /// the unzipped tree:
@@ -99,7 +99,7 @@ fn lookup_cur_matched(r: &TtReader, name: Ident) -> Option<Rc<NamedMatch>> {
     matched_opt.map(|s| lookup_cur_matched_by_matched(r, s))
 }
 
-#[deriving(Clone)]
+#[derive(Clone)]
 enum LockstepIterSize {
     LisUnconstrained,
     LisConstraint(uint, Ident),