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-rw-r--r--compiler/rustc_middle/src/infer/canonical.rs4
1 files changed, 0 insertions, 4 deletions
diff --git a/compiler/rustc_middle/src/infer/canonical.rs b/compiler/rustc_middle/src/infer/canonical.rs
index 0f408375e05..3cd148cd442 100644
--- a/compiler/rustc_middle/src/infer/canonical.rs
+++ b/compiler/rustc_middle/src/infer/canonical.rs
@@ -142,10 +142,6 @@ impl<'tcx, R> QueryResponse<'tcx, R> {
 pub type QueryOutlivesConstraint<'tcx> =
     (ty::OutlivesPredicate<'tcx, GenericArg<'tcx>>, ConstraintCategory<'tcx>);
 
-TrivialTypeTraversalImpls! {
-    crate::infer::canonical::Certainty,
-}
-
 #[derive(Default)]
 pub struct CanonicalParamEnvCache<'tcx> {
     map: Lock<