diff --git a/compiler/rustc_mir/src/transform/coverage/debug.rs b/compiler/rustc_mir/src/transform/coverage/debug.rs
index af81d9af0e2..b66e37436a6 100644
--- a/compiler/rustc_mir/src/transform/coverage/debug.rs
+++ b/compiler/rustc_mir/src/transform/coverage/debug.rs
@@ -285,7 +285,7 @@ impl DebugCounters {
                 ),
             };
             counters
-                .insert(id.into(), DebugCounter::new(counter_kind.clone(), some_block_label))
+                .insert(id, DebugCounter::new(counter_kind.clone(), some_block_label))
                 .expect_none(
                     "attempt to add the same counter_kind to DebugCounters more than once",
                 );
@@ -340,7 +340,7 @@ impl DebugCounters {
         if self.some_counters.is_some() && (counter_format.block || !counter_format.id) {
             let counters = self.some_counters.as_ref().unwrap();
             if let Some(DebugCounter { some_block_label: Some(block_label), .. }) =
-                counters.get(&id.into())
+                counters.get(&id)
             {
                 return if counter_format.id {
                     format!("{}#{}", block_label, id.index())
diff --git a/src/librustdoc/passes/collect_intra_doc_links.rs b/src/librustdoc/passes/collect_intra_doc_links.rs
index 5ce64c4cd83..d8d6f862921 100644
--- a/src/librustdoc/passes/collect_intra_doc_links.rs
+++ b/src/librustdoc/passes/collect_intra_doc_links.rs
@@ -1012,7 +1012,6 @@ impl LinkCollector<'_, '_> {
         } else {
             // This is a bug.
             debug!("attempting to resolve item without parent module: {}", path_str);
-            let err_kind = ResolutionFailure::NoParentItem.into();
             resolution_failure(
                 self,
                 &item,
@@ -1020,7 +1019,7 @@ impl LinkCollector<'_, '_> {
                 disambiguator,
                 dox,
                 link_range,
-                smallvec![err_kind],
+                smallvec![ResolutionFailure::NoParentItem],
             );
             return None;
         };