diff --git a/pyproject.toml b/pyproject.toml
index 5601af09..a23d4c0b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -70,7 +70,7 @@ dependencies = [
     "bioversions>=0.5.561",
     "bioregistry>=0.11.23",
     "bioontologies>=0.5.2",
-    "zenodo-client>=0.0.5",
+    "zenodo-client>=0.3.6",
     "class_resolver",
     "psycopg2-binary",
     "pydantic>=2.0",
diff --git a/tests/test_extract.py b/tests/test_extract.py
deleted file mode 100644
index 3624db17..00000000
--- a/tests/test_extract.py
+++ /dev/null
@@ -1,54 +0,0 @@
-"""Tests for PyOBO."""
-
-import unittest
-
-import pandas as pd
-
-from pyobo import get_filtered_xrefs, get_id_name_mapping, get_xrefs_df
-from pyobo.constants import TARGET_ID, TARGET_PREFIX
-from pyobo.mocks import get_mock_get_xrefs_df
-from tests.constants import chebi_patch
-
-_mock_rows = [
-    ("hgnc", "6893", "ncbigene", "4137", "N/A"),
-    ("hgnc", "6893", "ensembl", "ENSG00000186868", "N/A"),
-]
-mock_get_xrefs_df = get_mock_get_xrefs_df(_mock_rows)
-
-
-class TestMapping(unittest.TestCase):
-    """Test extracting information."""
-
-    def test_get_names(self):
-        """Test getting names."""
-        with chebi_patch:
-            id_to_name = get_id_name_mapping("chebi")
-            for identifier in id_to_name:
-                self.assertFalse(identifier.startswith("CHEBI"))
-                self.assertFalse(identifier.startswith("CHEBI:"))
-                self.assertFalse(identifier.startswith("chebi:"))
-                self.assertFalse(identifier.startswith("chebi"))
-
-    def test_get_xrefs(self):
-        """Test getting xrefs."""
-        with chebi_patch:
-            df = get_xrefs_df("chebi")
-        self.assertIsInstance(df, pd.DataFrame)
-        self.assertEqual(["chebi_id", TARGET_PREFIX, TARGET_ID], list(df.columns))
-
-    def test_get_target_xrefs(self):
-        """Test getting xrefs."""
-        with chebi_patch:
-            kegg_xrefs = get_filtered_xrefs("chebi", "kegg")
-
-        for key, value in kegg_xrefs.items():
-            self.assertFalse(key.startswith("CHEBI:"))
-            self.assertFalse(key.startswith("CHEBI"))
-            self.assertFalse(key.startswith("chebi:"))
-            self.assertFalse(key.startswith("chebi"))
-            self.assertFalse(value.startswith("KEGG:"))
-            self.assertFalse(value.startswith("KEGG"))
-            self.assertFalse(value.startswith("kegg:"))
-            self.assertFalse(value.startswith("kegg"))
-
-        self.assertIsInstance(kegg_xrefs, dict)
diff --git a/tests/test_struct.py b/tests/test_struct.py
index b9ab14c4..951ba090 100644
--- a/tests/test_struct.py
+++ b/tests/test_struct.py
@@ -317,18 +317,6 @@ def test_alt(self) -> None:
             term.iterate_obo_lines(ontology_prefix="go", typedefs={RO_DUMMY.pair: RO_DUMMY}),
         )
 
-        term = Term(LYSINE_DEHYDROGENASE_ACT)
-        term.append_alt("1234569")
-        self.assert_lines(
-            """\
-            [Term]
-            id: GO:0050069
-            name: lysine dehydrogenase activity
-            alt_id: GO:1234569
-            """,
-            term.iterate_obo_lines(ontology_prefix="go", typedefs={RO_DUMMY.pair: RO_DUMMY}),
-        )
-
     def test_append_synonym(self) -> None:
         """Test appending a synonym."""
         term = Term(LYSINE_DEHYDROGENASE_ACT)