diff --git a/crates/ra_hir/src/code_model_api.rs b/crates/ra_hir/src/code_model_api.rs
index e362cc05f2..3ac1469509 100644
--- a/crates/ra_hir/src/code_model_api.rs
+++ b/crates/ra_hir/src/code_model_api.rs
@@ -191,7 +191,7 @@ impl Module {
     }
 
     pub fn declarations(self, db: &impl HirDatabase) -> Vec<ModuleDef> {
-        let (lowered_module, _) = db.lower_module(self);
+        let lowered_module = db.lower_module(self);
         lowered_module
             .declarations
             .values()
diff --git a/crates/ra_hir/src/code_model_impl/module.rs b/crates/ra_hir/src/code_model_impl/module.rs
index 2d3058afdd..437f96942d 100644
--- a/crates/ra_hir/src/code_model_impl/module.rs
+++ b/crates/ra_hir/src/code_model_impl/module.rs
@@ -47,7 +47,7 @@ impl Module {
         db: &impl HirDatabase,
         import: ImportId,
     ) -> TreeArc<ast::PathSegment> {
-        let source_map = db.lower_module_source_map(*self);
+        let (_, source_map) = db.lower_module_with_source_map(*self);
         let (_, source) = self.definition_source(db);
         source_map.get(&source, import)
     }
diff --git a/crates/ra_hir/src/db.rs b/crates/ra_hir/src/db.rs
index a669dc9b0e..21d22aa7fb 100644
--- a/crates/ra_hir/src/db.rs
+++ b/crates/ra_hir/src/db.rs
@@ -48,14 +48,14 @@ pub trait PersistentHirDatabase: SourceDatabase + AsRef<HirInterner> {
         delc_id: Option<SourceFileItemId>,
     ) -> Arc<Vec<crate::module_tree::Submodule>>;
 
+    #[salsa::invoke(crate::nameres::lower::LoweredModule::lower_module_with_source_map_query)]
+    fn lower_module_with_source_map(
+        &self,
+        module: Module,
+    ) -> (Arc<LoweredModule>, Arc<ImportSourceMap>);
+
     #[salsa::invoke(crate::nameres::lower::LoweredModule::lower_module_query)]
-    fn lower_module(&self, module: Module) -> (Arc<LoweredModule>, Arc<ImportSourceMap>);
-
-    #[salsa::invoke(crate::nameres::lower::LoweredModule::lower_module_module_query)]
-    fn lower_module_module(&self, module: Module) -> Arc<LoweredModule>;
-
-    #[salsa::invoke(crate::nameres::lower::LoweredModule::lower_module_source_map_query)]
-    fn lower_module_source_map(&self, module: Module) -> Arc<ImportSourceMap>;
+    fn lower_module(&self, module: Module) -> Arc<LoweredModule>;
 
     #[salsa::invoke(crate::nameres::ItemMap::item_map_query)]
     fn item_map(&self, krate: Crate) -> Arc<ItemMap>;
diff --git a/crates/ra_hir/src/nameres.rs b/crates/ra_hir/src/nameres.rs
index ac390c5db6..73919ee37a 100644
--- a/crates/ra_hir/src/nameres.rs
+++ b/crates/ra_hir/src/nameres.rs
@@ -481,7 +481,7 @@ impl ItemMap {
         let module_tree = db.module_tree(krate);
         let input = module_tree
             .modules()
-            .map(|module_id| (module_id, db.lower_module_module(Module { krate, module_id })))
+            .map(|module_id| (module_id, db.lower_module(Module { krate, module_id })))
             .collect::<FxHashMap<_, _>>();
 
         let resolver = Resolver::new(db, &input, krate);
diff --git a/crates/ra_hir/src/nameres/lower.rs b/crates/ra_hir/src/nameres/lower.rs
index 2bc3eb60c2..56262ad6d7 100644
--- a/crates/ra_hir/src/nameres/lower.rs
+++ b/crates/ra_hir/src/nameres/lower.rs
@@ -60,21 +60,14 @@ impl ImportSourceMap {
 }
 
 impl LoweredModule {
-    pub(crate) fn lower_module_module_query(
+    pub(crate) fn lower_module_query(
         db: &impl PersistentHirDatabase,
         module: Module,
     ) -> Arc<LoweredModule> {
-        db.lower_module(module).0
+        db.lower_module_with_source_map(module).0
     }
 
-    pub(crate) fn lower_module_source_map_query(
-        db: &impl PersistentHirDatabase,
-        module: Module,
-    ) -> Arc<ImportSourceMap> {
-        db.lower_module(module).1
-    }
-
-    pub(crate) fn lower_module_query(
+    pub(crate) fn lower_module_with_source_map_query(
         db: &impl PersistentHirDatabase,
         module: Module,
     ) -> (Arc<LoweredModule>, Arc<ImportSourceMap>) {
diff --git a/crates/ra_hir/src/source_binder.rs b/crates/ra_hir/src/source_binder.rs
index 625a2ce45a..ea20cd15a2 100644
--- a/crates/ra_hir/src/source_binder.rs
+++ b/crates/ra_hir/src/source_binder.rs
@@ -157,7 +157,7 @@ pub fn macro_symbols(db: &impl HirDatabase, file_id: FileId) -> Vec<(SmolStr, Te
         Some(it) => it,
         None => return Vec::new(),
     };
-    let items = db.lower_module_module(module);
+    let items = db.lower_module(module);
     let mut res = Vec::new();
 
     for macro_call_id in items
diff --git a/crates/ra_ide_api/src/change.rs b/crates/ra_ide_api/src/change.rs
index 4c35ce0503..0c90ed5b57 100644
--- a/crates/ra_ide_api/src/change.rs
+++ b/crates/ra_ide_api/src/change.rs
@@ -223,8 +223,7 @@ impl RootDatabase {
         self.query(hir::db::FileItemsQuery).sweep(sweep);
         self.query(hir::db::FileItemQuery).sweep(sweep);
 
-        self.query(hir::db::LowerModuleQuery).sweep(sweep);
-        self.query(hir::db::LowerModuleSourceMapQuery).sweep(sweep);
+        self.query(hir::db::LowerModuleWithSourceMapQuery).sweep(sweep);
         self.query(hir::db::BodyWithSourceMapQuery).sweep(sweep);
     }
 }