1 files changed, 5 insertions, 0 deletions
diff --git a/src/libstd/num/strconv.rs b/src/libstd/num/strconv.rs
index 5fdd42dbc7a..ea1e05df85f 100644
--- a/src/libstd/num/strconv.rs
+++ b/src/libstd/num/strconv.rs
@@ -16,11 +16,16 @@ use self::ExponentFormat::*;
 use self::SignificantDigits::*;
 use self::SignFormat::*;
 
+#[cfg(stage0)]
 use char::{self, CharExt};
+#[cfg(not(stage0))]
+use char;
 use num::{self, Int, Float, ToPrimitive};
 use num::FpCategory as Fp;
 use ops::FnMut;
+#[cfg(stage0)]
 use slice::SliceExt;
+#[cfg(stage0)]
 use str::StrExt;
 use string::String;
 use vec::Vec;