1 files changed, 3 insertions, 5 deletions
diff --git a/src/libsyntax/ast_map.rs b/src/libsyntax/ast_map.rs
index 421c4c566b5..d381f934d9a 100644
--- a/src/libsyntax/ast_map.rs
+++ b/src/libsyntax/ast_map.rs
@@ -8,8 +8,6 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-use core::prelude::*;
-
 use abi::AbiSet;
 use ast::*;
 use ast;
@@ -22,9 +20,9 @@ use print::pprust;
 use visit;
 use syntax::parse::token::special_idents;
 
-use core::cmp;
-use core::hashmap::HashMap;
-use core::vec;
+use std::cmp;
+use std::hashmap::HashMap;
+use std::vec;
 
 pub enum path_elt {
     path_mod(ident),