diff --git a/compiler/rustc_ty_utils/src/sig_types.rs b/compiler/rustc_ty_utils/src/sig_types.rs
index 5d4aee318c6..741ee8f0b00 100644
--- a/compiler/rustc_ty_utils/src/sig_types.rs
+++ b/compiler/rustc_ty_utils/src/sig_types.rs
@@ -82,12 +82,7 @@ pub fn walk_types<'tcx, V: SpannedTypeVisitor<'tcx>>(
             for (pred, span) in tcx.predicates_of(item).instantiate_identity(tcx) {
                 visitor.visit(span, pred)?;
             }}
-        DefKind::Trait => {
-            for (pred, span) in tcx.predicates_of(item).instantiate_identity(tcx) {
-                visitor.visit(span, pred)?;
-            }
-        }
-        DefKind::TraitAlias => {
+        DefKind::TraitAlias | DefKind::Trait => {
             for (pred, span) in tcx.predicates_of(item).instantiate_identity(tcx) {
                 visitor.visit(span, pred)?;
             }