3 files changed, 4 insertions, 16 deletions
diff --git a/numpy/core/src/multiarray/convert_datatype.c b/numpy/core/src/multiarray/convert_datatype.c
index 0ccc0b538..3d81edc17 100644
--- a/numpy/core/src/multiarray/convert_datatype.c
+++ b/numpy/core/src/multiarray/convert_datatype.c
@@ -1019,7 +1019,7 @@ promote_types(PyArray_Descr *type1, PyArray_Descr *type2,
  * Returns a new reference to type if it is already NBO, otherwise
  * returns a copy converted to NBO.
  */
-static PyArray_Descr *
+NPY_NO_EXPORT PyArray_Descr *
 ensure_dtype_nbo(PyArray_Descr *type)
 {
     if (PyArray_ISNBO(type->byteorder)) {
diff --git a/numpy/core/src/multiarray/convert_datatype.h b/numpy/core/src/multiarray/convert_datatype.h
index eef2f7313..507a72266 100644
--- a/numpy/core/src/multiarray/convert_datatype.h
+++ b/numpy/core/src/multiarray/convert_datatype.h
@@ -18,6 +18,9 @@ NPY_NO_EXPORT npy_bool
 can_cast_scalar_to(PyArray_Descr *scal_type, char *scal_data,
                     PyArray_Descr *to, NPY_CASTING casting);
 
+NPY_NO_EXPORT PyArray_Descr *
+ensure_dtype_nbo(PyArray_Descr *type);
+
 NPY_NO_EXPORT int
 should_use_min_scalar(npy_intp narrs, PyArrayObject **arr,
                       npy_intp ndtypes, PyArray_Descr **dtypes);
diff --git a/numpy/core/src/umath/ufunc_type_resolution.c b/numpy/core/src/umath/ufunc_type_resolution.c
index aa6f34d59..3abeb2c5a 100644
--- a/numpy/core/src/umath/ufunc_type_resolution.c
+++ b/numpy/core/src/umath/ufunc_type_resolution.c
@@ -236,21 +236,6 @@ PyUFunc_ValidateCasting(PyUFuncObject *ufunc,
     return 0;
 }
 
-/*
- * Returns a new reference to type if it is already NBO, otherwise
- * returns a copy converted to NBO.
- */
-static PyArray_Descr *
-ensure_dtype_nbo(PyArray_Descr *type)
-{
-    if (PyArray_ISNBO(type->byteorder)) {
-        Py_INCREF(type);
-        return type;
-    }
-    else {
-        return PyArray_DescrNewByteorder(type, NPY_NATIVE);
-    }
-}
 
 /*UFUNC_API
  *