diff --git a/crates/specialized/rtx-cfd/src/solvers/incompressible/embedded3/poisson/export.rs b/crates/specialized/rtx-cfd/src/solvers/incompressible/embedded3/poisson/export.rs
index f72b3ef..5ba3a2c 100644
--- a/crates/specialized/rtx-cfd/src/solvers/incompressible/embedded3/poisson/export.rs
+++ b/crates/specialized/rtx-cfd/src/solvers/incompressible/embedded3/poisson/export.rs
@@ -129,7 +129,7 @@ pub fn export_fine(problem: &Problem) -> LevelExport {
 /// (PERF-3 P1-1): the f32 level is the same masked coefficients cast, so this
 /// is the identical export without a second clone of the problem and a
 /// second level build.
-pub fn export_fine_from(lv: &Level<f64>) -> LevelExport {
+pub(crate) fn export_fine_from(lv: &Level<f64>) -> LevelExport {
     let (_, coarse_of) = lv.coarsen();
     let to_u32 = |v: &[usize]| {
         v.iter()