1 files changed, 0 insertions, 3 deletions
diff --git a/src/librustc/util/common.rs b/src/librustc/util/common.rs
index 93deeecc101..38f55b2b6e4 100644
--- a/src/librustc/util/common.rs
+++ b/src/librustc/util/common.rs
@@ -8,14 +8,11 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-use core::prelude::*;
-
 use syntax::ast;
 use syntax::codemap::{span};
 use syntax::visit;
 
 use core::hashmap::HashSet;
-use core::str;
 use std;
 
 pub fn time<T>(do_it: bool, what: ~str, thunk: &fn() -> T) -> T {