Remove many unnecessary trait derivations.

[rust.git] / src / librustc / infer / combine.rs

diff --git a/src/librustc/infer/combine.rs b/src/librustc/infer/combine.rs
index 6f73275d455f5e0ffb5ee11fecea45a686b963fe..f06dbc72cd9611c71f7ae383813ebca1f55df0a7 100644 (file)
--- a/src/librustc/infer/combine.rs
+++ b/src/librustc/infer/combine.rs
@@ -53,7 +53,7 @@ pub struct CombineFields<'infcx, 'tcx> {
     pub obligations: PredicateObligations<'tcx>,
 }
 
-#[derive(Copy, Clone, Eq, PartialEq, Hash, Debug)]
+#[derive(Copy, Clone, Debug)]
 pub enum RelationDir {
     SubtypeOf, SupertypeOf, EqTo
 }