1 files changed, 0 insertions, 6 deletions
diff --git a/src/librustc/util/ppaux.rs b/src/librustc/util/ppaux.rs
index 5a1b7393db3..15fbeb5108f 100644
--- a/src/librustc/util/ppaux.rs
+++ b/src/librustc/util/ppaux.rs
@@ -363,12 +363,6 @@ impl<'tcx> fmt::Display for ty::TypeAndMut<'tcx> {
     }
 }
 
-impl<'tcx> fmt::Debug for ty::ItemSubsts<'tcx> {
-    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
-        write!(f, "ItemSubsts({:?})", self.substs)
-    }
-}
-
 impl<'tcx> fmt::Debug for ty::TraitRef<'tcx> {
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
         // when printing out the debug representation, we don't need