diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index 64d4f8dd0..8765a518c 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -130,7 +130,6 @@ set(PYBIND11_TEST_FILES
     test_class_sh_factory_constructors
     test_class_sh_inheritance
     test_class_sh_mi_thunks
-    test_class_sh_module_local.py
     test_class_sh_property
     test_class_sh_property_non_owning
     test_class_sh_shared_ptr_copy_move
@@ -245,8 +244,6 @@ tests_extra_targets("test_exceptions.py;test_local_bindings.py;test_stl.py;test_
 # And add additional targets for other tests.
 tests_extra_targets("test_exceptions.py" "cross_module_interleaved_error_already_set")
 tests_extra_targets("test_gil_scoped.py" "cross_module_gil_utils")
-tests_extra_targets("test_class_sh_module_local.py"
-                    "class_sh_module_local_0;class_sh_module_local_1;class_sh_module_local_2")
 
 set(PYBIND11_EIGEN_REPO
     "https://gitlab.com/libeigen/eigen.git"
diff --git a/tests/class_sh_module_local_0.cpp b/tests/class_sh_module_local_0.cpp
deleted file mode 100644
index 4b570624a..000000000
--- a/tests/class_sh_module_local_0.cpp
+++ /dev/null
@@ -1,34 +0,0 @@
-#include <pybind11/smart_holder.h>
-
-#include <string>
-
-namespace pybind11_tests {
-namespace class_sh_module_local {
-
-struct atyp { // Short for "any type".
-    std::string mtxt;
-};
-
-std::string get_mtxt(const atyp &obj) { return obj.mtxt; }
-
-atyp rtrn_valu_atyp() { return atyp(); }
-
-} // namespace class_sh_module_local
-} // namespace pybind11_tests
-
-PYBIND11_SMART_HOLDER_TYPE_CASTERS(pybind11_tests::class_sh_module_local::atyp)
-
-PYBIND11_MODULE(class_sh_module_local_0, m) {
-    m.attr("defined_PYBIND11_HAS_INTERNALS_WITH_SMART_HOLDER_SUPPORT") =
-#ifndef PYBIND11_HAS_INTERNALS_WITH_SMART_HOLDER_SUPPORT
-        false;
-#else
-        true;
-
-    using namespace pybind11_tests::class_sh_module_local;
-
-    m.def("get_mtxt", get_mtxt);
-
-    m.def("rtrn_valu_atyp", rtrn_valu_atyp);
-#endif // PYBIND11_HAS_INTERNALS_WITH_SMART_HOLDER_SUPPORT
-}
diff --git a/tests/class_sh_module_local_1.cpp b/tests/class_sh_module_local_1.cpp
deleted file mode 100644
index 5197d25f9..000000000
--- a/tests/class_sh_module_local_1.cpp
+++ /dev/null
@@ -1,40 +0,0 @@
-// Identical to class_sh_module_local_2.cpp, except 2 replaced with 1.
-#include <pybind11/smart_holder.h>
-
-#include <string>
-
-namespace pybind11_tests {
-namespace class_sh_module_local {
-
-struct atyp { // Short for "any type".
-    std::string mtxt;
-};
-
-std::string get_mtxt(const atyp &obj) { return obj.mtxt; }
-
-} // namespace class_sh_module_local
-} // namespace pybind11_tests
-
-PYBIND11_SMART_HOLDER_TYPE_CASTERS(pybind11_tests::class_sh_module_local::atyp)
-
-PYBIND11_MODULE(class_sh_module_local_1, m) {
-    m.attr("defined_PYBIND11_HAS_INTERNALS_WITH_SMART_HOLDER_SUPPORT") =
-#ifndef PYBIND11_HAS_INTERNALS_WITH_SMART_HOLDER_SUPPORT
-        false;
-#else
-        true;
-
-    namespace py = pybind11;
-    using namespace pybind11_tests::class_sh_module_local;
-
-    py::classh<atyp>(m, "atyp", py::module_local())
-        .def(py::init([](const std::string &mtxt) {
-            atyp obj;
-            obj.mtxt = mtxt;
-            return obj;
-        }))
-        .def("tag", [](const atyp &) { return 1; });
-
-    m.def("get_mtxt", get_mtxt);
-#endif // PYBIND11_HAS_INTERNALS_WITH_SMART_HOLDER_SUPPORT
-}
diff --git a/tests/class_sh_module_local_2.cpp b/tests/class_sh_module_local_2.cpp
deleted file mode 100644
index 0e3a39ba3..000000000
--- a/tests/class_sh_module_local_2.cpp
+++ /dev/null
@@ -1,40 +0,0 @@
-// Identical to class_sh_module_local_1.cpp, except 1 replaced with 2.
-#include <pybind11/smart_holder.h>
-
-#include <string>
-
-namespace pybind11_tests {
-namespace class_sh_module_local {
-
-struct atyp { // Short for "any type".
-    std::string mtxt;
-};
-
-std::string get_mtxt(const atyp &obj) { return obj.mtxt; }
-
-} // namespace class_sh_module_local
-} // namespace pybind11_tests
-
-PYBIND11_SMART_HOLDER_TYPE_CASTERS(pybind11_tests::class_sh_module_local::atyp)
-
-PYBIND11_MODULE(class_sh_module_local_2, m) {
-    m.attr("defined_PYBIND11_HAS_INTERNALS_WITH_SMART_HOLDER_SUPPORT") =
-#ifndef PYBIND11_HAS_INTERNALS_WITH_SMART_HOLDER_SUPPORT
-        false;
-#else
-        true;
-
-    namespace py = pybind11;
-    using namespace pybind11_tests::class_sh_module_local;
-
-    py::classh<atyp>(m, "atyp", py::module_local())
-        .def(py::init([](const std::string &mtxt) {
-            atyp obj;
-            obj.mtxt = mtxt;
-            return obj;
-        }))
-        .def("tag", [](const atyp &) { return 2; });
-
-    m.def("get_mtxt", get_mtxt);
-#endif // PYBIND11_HAS_INTERNALS_WITH_SMART_HOLDER_SUPPORT
-}
diff --git a/tests/test_class_sh_module_local.py b/tests/test_class_sh_module_local.py
deleted file mode 100644
index 9f4230052..000000000
--- a/tests/test_class_sh_module_local.py
+++ /dev/null
@@ -1,30 +0,0 @@
-from __future__ import annotations
-
-import class_sh_module_local_0 as m0
-import class_sh_module_local_1 as m1
-import class_sh_module_local_2 as m2
-import pytest
-
-if not m0.defined_PYBIND11_HAS_INTERNALS_WITH_SMART_HOLDER_SUPPORT:
-    pytest.skip("smart_holder not available.", allow_module_level=True)
-
-
-def test_cross_module_get_mtxt():
-    obj1 = m1.atyp("A")
-    assert obj1.tag() == 1
-    obj2 = m2.atyp("B")
-    assert obj2.tag() == 2
-    assert m1.get_mtxt(obj1) == "A"
-    assert m2.get_mtxt(obj2) == "B"
-    assert m1.get_mtxt(obj2) == "B"
-    assert m2.get_mtxt(obj1) == "A"
-    assert m0.get_mtxt(obj1) == "A"
-    assert m0.get_mtxt(obj2) == "B"
-
-
-def test_m0_rtrn_valu_atyp():
-    with pytest.raises(TypeError) as exc_info:
-        m0.rtrn_valu_atyp()
-    assert str(exc_info.value).startswith(
-        "Unable to convert function return value to a Python type!"
-    )