1 files changed, 3 insertions, 3 deletions
diff --git a/src/librustc/middle/check_match.rs b/src/librustc/middle/check_match.rs
index 64cfd293ee4..2d9284846ac 100644
--- a/src/librustc/middle/check_match.rs
+++ b/src/librustc/middle/check_match.rs
@@ -102,7 +102,7 @@ pub struct MatchCheckCtxt<'a, 'tcx: 'a> {
     pub param_env: ParameterEnvironment<'a, 'tcx>,
 }
 
-#[deriving(Clone, PartialEq)]
+#[derive(Clone, PartialEq)]
 pub enum Constructor {
     /// The constructor of all patterns that don't vary by constructor,
     /// e.g. struct patterns and fixed-length arrays.
@@ -119,14 +119,14 @@ pub enum Constructor {
     SliceWithSubslice(uint, uint)
 }
 
-#[deriving(Clone, PartialEq)]
+#[derive(Clone, PartialEq)]
 enum Usefulness {
     Useful,
     UsefulWithWitness(Vec<P<Pat>>),
     NotUseful
 }
 
-#[deriving(Copy)]
+#[derive(Copy)]
 enum WitnessPreference {
     ConstructWitness,
     LeaveOutWitness