diff --git a/crates/rustc_codegen_spirv/src/attr.rs b/crates/rustc_codegen_spirv/src/attr.rs
index 91a54637e1..f17ac79df1 100644
--- a/crates/rustc_codegen_spirv/src/attr.rs
+++ b/crates/rustc_codegen_spirv/src/attr.rs
@@ -14,10 +14,7 @@ use rustc_middle::ty::TyCtxt;
 use std::rc::Rc;
 
 // FIXME(eddyb) make this reusable from somewhere in `rustc`.
-pub(crate) fn target_from_impl_item<'tcx>(
-    tcx: TyCtxt<'tcx>,
-    impl_item: &hir::ImplItem<'_>,
-) -> Target {
+fn target_from_impl_item<'tcx>(tcx: TyCtxt<'tcx>, impl_item: &hir::ImplItem<'_>) -> Target {
     match impl_item.kind {
         hir::ImplItemKind::Const(..) => Target::AssocConst,
         hir::ImplItemKind::Fn(..) => {