1 files changed, 2 insertions, 3 deletions
diff --git a/src/libsyntax/ext/trace_macros.rs b/src/libsyntax/ext/trace_macros.rs
index 09965b921c1..299706b2d40 100644
--- a/src/libsyntax/ext/trace_macros.rs
+++ b/src/libsyntax/ext/trace_macros.rs
@@ -8,9 +8,6 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-use core::prelude::*;
-
-use core::vec;
 use ast;
 use codemap::span;
 use ext::base::ExtCtxt;
@@ -19,6 +16,8 @@ use parse::lexer::{new_tt_reader, reader};
 use parse::parser::Parser;
 use parse::token::keywords;
 
+use std::vec;
+
 pub fn expand_trace_macros(cx: @ExtCtxt,
                            sp: span,
                            tt: &[ast::token_tree])