diff --git a/conftest.py b/conftest.py
index 2a96b19..1c967f0 100644
--- a/conftest.py
+++ b/conftest.py
@@ -9,7 +9,6 @@
 
 from molecule import config, logger
 from molecule.app import get_app
-from molecule.scenario import ephemeral_directory
 
 LOG = logger.get_logger(__name__)
 
@@ -79,16 +78,6 @@ def get_molecule_file(path):
     return config.molecule_file(path)
 
 
-@pytest.helpers.register
-def molecule_ephemeral_directory(_fixture_uuid):
-    project_directory = f"test-project-{_fixture_uuid}"
-    scenario_name = "test-instance"
-
-    return ephemeral_directory(
-        os.path.join("molecule_test", project_directory, scenario_name),
-    )
-
-
 def metadata_lint_update(role_directory: str) -> None:
     # By default, ansible-lint will fail on newly-created roles because the
     # fields in this file have not been changed from their defaults. This is
diff --git a/test/vagrant-plugin/functional/test_func.py b/test/vagrant-plugin/functional/test_func.py
index 3373ab1..7b1f4b8 100644
--- a/test/vagrant-plugin/functional/test_func.py
+++ b/test/vagrant-plugin/functional/test_func.py
@@ -30,7 +30,6 @@
 from conftest import change_dir_to
 from molecule import logger, util
 from molecule.app import get_app
-from molecule.scenario import ephemeral_directory
 
 LOG = logger.get_logger(__name__)
 
@@ -141,16 +140,17 @@ def test_multi_node(temp_dir):
         "scenarios",
     )
 
+    molecule_eph_directory = os.path.join(temp_dir, "ephemeral")
+    env = os.environ
+    env["MOLECULE_EPHEMERAL_DIRECTORY"] = molecule_eph_directory
+
     with change_dir_to(scenario_directory):
         cmd = ["molecule", "test", "--scenario-name", "multi-node"]
-        result = get_app(Path()).run_command(cmd)
+        result = get_app(Path()).run_command(cmd, env=env)
         assert result.returncode == 0
 
-    molecule_eph_directory = ephemeral_directory()
     vagrantfile = os.path.join(
         molecule_eph_directory,
-        "scenarios",
-        "multi-node",
         "Vagrantfile",
     )
     with open(vagrantfile) as f: