diff --git a/crates/hir-analysis/tests/test_db.rs b/crates/hir-analysis/tests/test_db.rs
index 48c7150eb..5317ec792 100644
--- a/crates/hir-analysis/tests/test_db.rs
+++ b/crates/hir-analysis/tests/test_db.rs
@@ -50,6 +50,8 @@ impl_db_traits!(
     DriverDb,
 );
 
+// https://github.com/rust-lang/rust/issues/46379
+#[allow(dead_code)]
 impl HirAnalysisTestDb {
     pub fn new_stand_alone(&mut self, file_name: &str, text: &str) -> InputFile {
         let kind = IngotKind::StandAlone;
@@ -120,9 +122,9 @@ pub struct HirPropertyFormatter<'db> {
     code_span_files: SimpleFiles<String, String>,
 }
 
+// https://github.com/rust-lang/rust/issues/46379
+#[allow(dead_code)]
 impl<'db> HirPropertyFormatter<'db> {
-    // https://github.com/rust-lang/rust/issues/46379
-    #[allow(dead_code)]
     pub fn push_prop(&mut self, top_mod: TopLevelMod<'db>, span: DynLazySpan<'db>, prop: String) {
         self.properties
             .entry(top_mod)
@@ -130,8 +132,6 @@ impl<'db> HirPropertyFormatter<'db> {
             .push((prop, span));
     }
 
-    // https://github.com/rust-lang/rust/issues/46379
-    #[allow(dead_code)]
     pub fn finish(&mut self, db: &'db dyn SpannedHirDb) -> String {
         let writer = BufferWriter::stderr(ColorChoice::Never);
         let mut buffer = writer.buffer();
diff --git a/crates/language-server/src/backend/mod.rs b/crates/language-server/src/backend/mod.rs
index e23ae9f47..62cdc1557 100644
--- a/crates/language-server/src/backend/mod.rs
+++ b/crates/language-server/src/backend/mod.rs
@@ -10,6 +10,7 @@ pub struct Backend {
     pub(super) client: ClientSocket,
     pub(super) db: LanguageServerDatabase,
     pub(super) workspace: Workspace,
+    #[allow(dead_code)] // TODO: salsa3-compatible parallelism
     pub(super) workers: tokio::runtime::Runtime,
 }
 
diff --git a/crates/language-server/src/functionality/handlers.rs b/crates/language-server/src/functionality/handlers.rs
index 4a5ad7d22..c252e86f6 100644
--- a/crates/language-server/src/functionality/handlers.rs
+++ b/crates/language-server/src/functionality/handlers.rs
@@ -10,8 +10,6 @@ use async_lsp::{
 use common::InputDb;
 use fxhash::FxHashSet;
 use salsa::Setter;
-use tracing::dispatcher::with_default;
-use tracing::Dispatch;
 
 use super::{capabilities::server_capabilities, hover::hover_helper};