remove ItemLikeVisitor impls in incremental, interface, metadata and symbol_mangling crates

Signed-off-by: Miguel Guarniz <mi9uel9@gmail.com>

1 files changed, 0 insertions, 19 deletions

diff --git a/compiler/rustc_incremental/src/persist/dirty_clean.rs b/compiler/rustc_incremental/src/persist/dirty_clean.rs
index 49697be51eb..f6ff3477ff7 100644
--- a/compiler/rustc_incremental/src/persist/dirty_clean.rs
+++ b/compiler/rustc_incremental/src/persist/dirty_clean.rs
@@ -24,7 +24,6 @@ use rustc_data_structures::fx::FxHashSet;
 use rustc_hir as hir;
 use rustc_hir::def_id::LocalDefId;
 use rustc_hir::intravisit;
-use rustc_hir::itemlikevisit::ItemLikeVisitor;
 use rustc_hir::Node as HirNode;
 use rustc_hir::{ImplItemKind, ItemKind as HirItem, TraitItemKind};
 use rustc_middle::dep_graph::{label_strs, DepNode, DepNodeExt};
@@ -409,24 +408,6 @@ impl<'tcx> DirtyCleanVisitor<'tcx> {
     }
 }
 
-impl<'tcx> ItemLikeVisitor<'tcx> for DirtyCleanVisitor<'tcx> {
-    fn visit_item(&mut self, item: &'tcx hir::Item<'tcx>) {
-        self.check_item(item.def_id, item.span);
-    }
-
-    fn visit_trait_item(&mut self, item: &hir::TraitItem<'_>) {
-        self.check_item(item.def_id, item.span);
-    }
-
-    fn visit_impl_item(&mut self, item: &hir::ImplItem<'_>) {
-        self.check_item(item.def_id, item.span);
-    }
-
-    fn visit_foreign_item(&mut self, item: &hir::ForeignItem<'_>) {
-        self.check_item(item.def_id, item.span);
-    }
-}
-
 /// Given a `#[rustc_clean]` attribute, scan for a `cfg="foo"` attribute and check whether we have
 /// a cfg flag called `foo`.
 fn check_config(tcx: TyCtxt<'_>, attr: &Attribute) -> bool {