From 8777f94d1deda487e646773c991b96b30a94e7a6 Mon Sep 17 00:00:00 2001
From: Ada Alakbarova <ada.alakbarova@ferrous-systems.com>
Date: Fri, 12 Jun 2026 22:22:48 +0200
Subject: [PATCH] internal: remove unused structs

---
 crates/hir-expand/src/db.rs |  5 -----
 crates/hir-ty/src/db.rs     | 17 ++---------------
 2 files changed, 2 insertions(+), 20 deletions(-)

diff --git a/crates/hir-expand/src/db.rs b/crates/hir-expand/src/db.rs
index 513115684f87..33672d10fa6d 100644
--- a/crates/hir-expand/src/db.rs
+++ b/crates/hir-expand/src/db.rs
@@ -141,11 +141,6 @@ pub trait ExpandDatabase: SourceDatabase {
     fn syntax_context(&self, file: HirFileId, edition: Edition) -> SyntaxContext;
 }
 
-#[salsa_macros::interned(no_lifetime, id = span::SyntaxContext, revisions = usize::MAX)]
-pub struct SyntaxContextWrapper {
-    pub data: SyntaxContext,
-}
-
 fn syntax_context(db: &dyn ExpandDatabase, file: HirFileId, edition: Edition) -> SyntaxContext {
     match file {
         HirFileId::FileId(_) => SyntaxContext::root(edition),
diff --git a/crates/hir-ty/src/db.rs b/crates/hir-ty/src/db.rs
index baf8bbd56fb1..93ae26abce88 100644
--- a/crates/hir-ty/src/db.rs
+++ b/crates/hir-ty/src/db.rs
@@ -6,8 +6,8 @@ use base_db::{Crate, target::TargetLoadError};
 use either::Either;
 use hir_def::{
     AdtId, BuiltinDeriveImplId, CallableDefId, ConstId, ConstParamId, EnumVariantId,
-    ExpressionStoreOwnerId, FunctionId, GenericDefId, HasModule, ImplId, LifetimeParamId,
-    LocalFieldId, ModuleId, StaticId, TraitId, TypeAliasId, VariantId,
+    ExpressionStoreOwnerId, FunctionId, GenericDefId, HasModule, ImplId, LocalFieldId, ModuleId,
+    StaticId, TraitId, TypeAliasId, VariantId,
     builtin_derive::BuiltinDeriveImplMethod,
     db::DefDatabase,
     expr_store::ExpressionStore,
@@ -294,19 +294,6 @@ fn hir_database_is_dyn_compatible() {
     fn _assert_dyn_compatible(_: &dyn HirDatabase) {}
 }
 
-#[salsa_macros::interned(no_lifetime, debug, revisions = usize::MAX)]
-#[derive(PartialOrd, Ord)]
-pub struct InternedLifetimeParamId {
-    /// This stores the param and its index.
-    pub loc: (LifetimeParamId, u32),
-}
-
-#[salsa_macros::interned(no_lifetime, debug, revisions = usize::MAX)]
-#[derive(PartialOrd, Ord)]
-pub struct InternedConstParamId {
-    pub loc: ConstParamId,
-}
-
 #[salsa_macros::interned(no_lifetime, debug, revisions = usize::MAX)]
 #[derive(PartialOrd, Ord)]
 pub struct InternedOpaqueTyId {