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-rw-r--r--compiler/rustc_middle/src/infer/canonical.rs6
1 files changed, 2 insertions, 4 deletions
diff --git a/compiler/rustc_middle/src/infer/canonical.rs b/compiler/rustc_middle/src/infer/canonical.rs
index e63121475a1..c4e41e00520 100644
--- a/compiler/rustc_middle/src/infer/canonical.rs
+++ b/compiler/rustc_middle/src/infer/canonical.rs
@@ -392,10 +392,8 @@ pub type QueryOutlivesConstraint<'tcx> =
     (ty::OutlivesPredicate<GenericArg<'tcx>, Region<'tcx>>, ConstraintCategory<'tcx>);
 
 TrivialTypeTraversalAndLiftImpls! {
-    for <'tcx> {
-        crate::infer::canonical::Certainty,
-        crate::infer::canonical::CanonicalTyVarKind,
-    }
+    crate::infer::canonical::Certainty,
+    crate::infer::canonical::CanonicalTyVarKind,
 }
 
 impl<'tcx> CanonicalVarValues<'tcx> {