diff --git a/tests/controller/test_project.py b/tests/controller/test_project.py
index 28293cb3..ac4f7256 100644
--- a/tests/controller/test_project.py
+++ b/tests/controller/test_project.py
@@ -531,15 +531,6 @@ def test_duplicate(project, async_run, controller):
     assert list(new_project.nodes.values())[1].compute.id == "remote"
 
 
-def test_duplicate_with_zipfile_encoding_issues(project, async_run, controller):
-    zf = zipstream.ZipFile()
-    zf.writestr('test\udcc3', "data")
-
-    with asyncio_patch('gns3server.controller.project.export_project', return_value=zf):
-        with pytest.raises(aiohttp.web.HTTPConflict):
-            async_run(project.duplicate(name="Hello"))
-
-
 def test_snapshots(project):
     """
     List the snapshots