diff --git a/tests/unit/remote/ssh/test_ssh.py b/tests/unit/remote/ssh/test_ssh.py
index 3c438bfb1..ce25665eb 100644
--- a/tests/unit/remote/ssh/test_ssh.py
+++ b/tests/unit/remote/ssh/test_ssh.py
@@ -186,7 +186,7 @@ def test_ssh_gss_auth(mock_file, mock_exists, config, expected_gss_auth):
     assert remote.gss_auth == expected_gss_auth
 
 
-def test_hardlink_optimization(repo_dir, ssh_server):
+def test_hardlink_optimization(tmp_dir, ssh_server):
     port = ssh_server.test_creds["port"]
     user = ssh_server.test_creds["username"]
 
diff --git a/tests/unit/utils/test_utils.py b/tests/unit/utils/test_utils.py
index c4849ae30..e53c8df21 100644
--- a/tests/unit/utils/test_utils.py
+++ b/tests/unit/utils/test_utils.py
@@ -78,10 +78,10 @@ def test_fix_env_pyenv(path, orig):
     assert fix_env(env)["PATH"] == orig
 
 
-def test_file_md5(repo_dir):
-    fname = repo_dir.FOO
-    fname_object = PathInfo(fname)
-    assert file_md5(fname) == file_md5(fname_object)
+def test_file_md5(tmp_dir):
+    tmp_dir.gen("foo", "foo content")
+
+    assert file_md5("foo") == file_md5(PathInfo("foo"))
 
 
 def test_tmp_fname():