diff --git a/artiq/test/test_dataset_db.py b/artiq/test/test_dataset_db.py
deleted file mode 100644
index fafdff3ad..000000000
--- a/artiq/test/test_dataset_db.py
+++ /dev/null
@@ -1,121 +0,0 @@
-"""Test internal dataset representation (persistence, applets)"""
-import unittest
-import tempfile
-import os
-
-from artiq.master.databases import DatasetDB
-from sipyco import pyon
-
-KEY1 = "key1"
-KEY2 = "key2"
-KEY3 = "key3"
-DATA = list(range(10))
-COMP = "gzip"
-
-# tempfile.NamedTemporaryFile:
-# use delete=False and manual cleanup
-# for Windows compatibility
-
-class TestDatasetDB(unittest.TestCase):
-    def setUp(self):
-        # empty dataset persistance file
-        self.persist_file = tempfile.NamedTemporaryFile(mode="w+", delete=False)
-        print("{}", file=self.persist_file, flush=True)
-
-        self.ddb = DatasetDB(self.persist_file.name)
-
-        self.ddb.set(KEY1, DATA, persist=True)
-        self.ddb.set(KEY2, DATA, persist=True, hdf5_options=dict(compression=COMP))
-        self.ddb.set(KEY3, DATA, hdf5_options=dict(shuffle=True))
-
-        # broken on Windows
-        # self.save_ddb_to_disk()
-
-    def tearDown(self):
-        os.unlink(self.persist_file.name)
-
-    # broken on Windows
-    # def save_ddb_to_disk(self):
-    #     self.ddb.save()
-    #     self.persist_file.flush()
-
-    # def load_ddb_from_disk(self):
-    #     return pyon.load_file(self.persist_file.name)
-
-    # def test_persist_format(self):
-    #     data = pyon.load_file(self.persist_file.name)
-
-    #     for key in [KEY1, KEY2]:
-    #         self.assertTrue(data[key]["persist"])
-    #         self.assertEqual(data[key]["value"], DATA)
-
-    #     self.assertEqual(data[KEY2]["hdf5_options"]["compression"], COMP)
-    #     self.assertEqual(data[KEY1]["hdf5_options"], dict())
-
-    # def test_only_persist_marked_datasets(self):
-    #     data = self.load_ddb_from_disk()
-
-    #     with self.assertRaises(KeyError):
-    #         data[KEY3]
-
-    def test_memory_format(self):
-        ds = self.ddb.get(KEY2)
-        self.assertTrue(ds["persist"])
-        self.assertEqual(ds["value"], DATA)
-        self.assertEqual(ds["hdf5_options"]["compression"], COMP)
-
-        ds = self.ddb.get(KEY3)
-        self.assertFalse(ds["persist"])
-        self.assertEqual(ds["value"], DATA)
-        self.assertTrue(ds["hdf5_options"]["shuffle"])
-
-    # broken on Windows
-    # def test_delete(self):
-    #     self.ddb.delete(KEY1)
-    #     self.save_ddb_to_disk()
-
-    #     data = self.load_ddb_from_disk()
-
-    #     with self.assertRaises(KeyError):
-    #         data[KEY1]
-
-    #     self.assertTrue(data[KEY2]["persist"])
-
-    def test_update(self):
-        self.assertFalse(self.ddb.get(KEY3)["persist"])
-
-        mod = {
-            "action": "setitem",
-            "path": [KEY3],
-            "key": "persist",
-            "value": True,
-        }
-
-        self.ddb.update(mod)
-        self.assertTrue(self.ddb.get(KEY3)["persist"])
-
-    def test_update_hdf5_options(self):
-        with self.assertRaises(KeyError):
-            self.ddb.get(KEY1)["hdf5_options"]["shuffle"]
-
-        mod = {
-            "action": "setitem",
-            "path": [KEY1, "hdf5_options"],
-            "key": "shuffle",
-            "value": False,
-        }
-
-        self.ddb.update(mod)
-        self.assertFalse(self.ddb.get(KEY1)["hdf5_options"]["shuffle"])
-
-    def test_reset_copies_persist(self):
-        self.assertTrue(self.ddb.get(KEY1)["persist"])
-        self.ddb.set(KEY1, DATA)
-        self.assertTrue(self.ddb.get(KEY1)["persist"])
-
-        self.assertFalse(self.ddb.get(KEY3)["persist"])
-        self.ddb.set(KEY3, DATA)
-        self.assertFalse(self.ddb.get(KEY3)["persist"])
-
-        self.ddb.set(KEY3, DATA, persist=True)
-        self.assertTrue(self.ddb.get(KEY3)["persist"])