diff --git a/src/librustc/hir/map/mod.rs b/src/librustc/hir/map/mod.rs
index f7301280acd6..d3de20fd9701 100644
--- a/src/librustc/hir/map/mod.rs
+++ b/src/librustc/hir/map/mod.rs
@@ -746,15 +746,9 @@ impl<'hir> Map<'hir> {
         hir_id
     }
 
-    /// Returns the `DefId` of `id`'s nearest module parent, or `id` itself if no
-    /// module parent is in this map.
-    pub fn get_module_parent(&self, id: HirId) -> DefId {
-        self.local_def_id(self.get_module_parent_node(id))
-    }
-
     /// Returns the `HirId` of `id`'s nearest module parent, or `id` itself if no
     /// module parent is in this map.
-    pub fn get_module_parent_node(&self, hir_id: HirId) -> HirId {
+    pub(super) fn get_module_parent_node(&self, hir_id: HirId) -> HirId {
         for (hir_id, node) in self.parent_iter(hir_id) {
             if let Node::Item(&Item { kind: ItemKind::Mod(_), .. }) = node {
                 return hir_id;
diff --git a/src/librustc/hir/mod.rs b/src/librustc/hir/mod.rs
index 4ce335d0c95f..1aa3b27bd1a5 100644
--- a/src/librustc/hir/mod.rs
+++ b/src/librustc/hir/mod.rs
@@ -55,7 +55,7 @@ impl<'tcx> TyCtxt<'tcx> {
 pub fn provide(providers: &mut Providers<'_>) {
     providers.parent_module_from_def_id = |tcx, id| {
         let hir = tcx.hir();
-        hir.get_module_parent(hir.as_local_hir_id(id).unwrap())
+        hir.local_def_id(hir.get_module_parent_node(hir.as_local_hir_id(id).unwrap()))
     };
     providers.hir_crate = |tcx, _| tcx.hir_map.untracked_krate();
     map::provide(providers);