diff --git a/compiler/rustc_hir/src/intravisit.rs b/compiler/rustc_hir/src/intravisit.rs
index 1de0547bdb10..03b254cf7e35 100644
--- a/compiler/rustc_hir/src/intravisit.rs
+++ b/compiler/rustc_hir/src/intravisit.rs
@@ -433,21 +433,6 @@ fn visit_fn(
     fn visit_use(&mut self, path: &'v UsePath<'v>, hir_id: HirId) -> Self::Result {
         walk_use(self, path, hir_id)
     }
-    fn visit_impl_restriction(
-        &mut self,
-        impl_restriction: &'v ImplRestriction<'v>,
-    ) -> Self::Result {
-        walk_impl_restriction(self, impl_restriction)
-    }
-    fn visit_restriction_kind(
-        &mut self,
-        restriction_kind: &'v RestrictionKind<'v>,
-    ) -> Self::Result {
-        match restriction_kind {
-            RestrictionKind::Unrestricted => Self::Result::output(),
-            RestrictionKind::Restricted { path, shorthand: _ } => walk_mod_path(self, path),
-        }
-    }
     fn visit_trait_item(&mut self, ti: &'v TraitItem<'v>) -> Self::Result {
         walk_trait_item(self, ti)
     }
@@ -643,7 +628,9 @@ pub fn walk_item<'v, V: Visitor<'v>>(visitor: &mut V, item: &'v Item<'v>) -> V::
             bounds,
             trait_item_refs,
         ) => {
-            try_visit!(visitor.visit_restriction_kind(&impl_restriction.kind));
+            if let RestrictionKind::Restricted { path, shorthand: _ } = &impl_restriction.kind {
+                walk_list!(visitor, visit_path_segment, path.segments);
+            }
             try_visit!(visitor.visit_ident(ident));
             try_visit!(visitor.visit_generics(generics));
             walk_list!(visitor, visit_param_bound, bounds);
@@ -1276,19 +1263,6 @@ pub fn walk_use<'v, V: Visitor<'v>>(
     V::Result::output()
 }
 
-pub fn walk_impl_restriction<'v, V: Visitor<'v>>(
-    visitor: &mut V,
-    impl_restriction: &'v ImplRestriction<'v>,
-) -> V::Result {
-    visitor.visit_restriction_kind(&impl_restriction.kind)
-}
-
-pub fn walk_mod_path<'v, V: Visitor<'v>>(visitor: &mut V, path: &'v ModPath<'v>) -> V::Result {
-    let ModPath { segments, res: _, span: _ } = path;
-    walk_list!(visitor, visit_path_segment, *segments);
-    V::Result::output()
-}
-
 pub fn walk_trait_item<'v, V: Visitor<'v>>(
     visitor: &mut V,
     trait_item: &'v TraitItem<'v>,