diff --git a/prolint2/tests/test_api.py b/prolint2/tests/test_api.py
deleted file mode 100644
index d96ac5c..0000000
--- a/prolint2/tests/test_api.py
+++ /dev/null
@@ -1,103 +0,0 @@
-import warnings
-import pandas as pd
-import pytest
-
-import MDAnalysis as mda
-from typing import Literal, get_args
-
-from prolint2 import Universe
-from prolint2.core.groups import ExtendedAtomGroup
-from prolint2.sampledata import GIRKDataSample, COX1DataSample, SMODataSample
-
-GIRK = GIRKDataSample()
-COX1 = COX1DataSample()
-SMO = SMODataSample()
-
-warnings.filterwarnings("ignore")
-
-TimeUnitLiteral = Literal["fs", "ps", "ns", "us", "ms", "s"]
-
-# Build VALID_UNITS from TimeUnitLiteral
-VALID_UNITS = get_args(TimeUnitLiteral)
-
-
-@pytest.fixture(scope="module")
-def universes():
-    return [
-        Universe(GIRK.coordinates, GIRK.trajectory),
-        Universe(COX1.coordinates, COX1.trajectory),
-        Universe(SMO.coordinates, SMO.trajectory),
-    ]
-
-
-class TestUniverse:
-    def test_init_with_universe(self, universes):
-        for u in universes:
-            assert isinstance(u, Universe)
-            assert isinstance(u, mda.Universe)
-
-    def test_query_property(self, universes):
-        for u in universes:
-            assert u.query is not None
-            assert isinstance(u.query, ExtendedAtomGroup)
-
-    def test_database_property(self, universes):
-        for u in universes:
-            assert u.database is not None
-            assert isinstance(u.database, ExtendedAtomGroup)
-
-    # def test_compute_contacts(self, universes):
-    #     dict_of_contacts = {0: GIRK, 1: COX1, 2: SMO}
-    #     for i, u in enumerate(universes):
-    #         contacts = u.compute_contacts(cutoff=7)
-    #         calc_df = contacts.create_dataframe(u.trajectory.n_frames)
-    #         ref_df = pd.read_csv(dict_of_contacts[i].contacts, index_col=[0, 1])
-    #         ref_df.columns = ref_df.columns.astype(int)
-    #         ref_df = ref_df.astype("int8")
-    #         pd.testing.assert_frame_equal(calc_df, ref_df)
-
-    # def test_load_contacts_from_file(self, universes):
-    #     dict_of_contacts = {0: GIRK, 1: COX1, 2: SMO}
-    #     for i, u in enumerate(universes):
-    #         contacts = u.load_contacts_from_file(dict_of_contacts[i].contacts)
-    #         calc_df = contacts.create_dataframe(u.trajectory.n_frames)
-    #         ref_df = pd.read_csv(dict_of_contacts[i].contacts, index_col=[0, 1])
-    #         ref_df.columns = ref_df.columns.astype(int)
-    #         ref_df = ref_df.astype("int8")
-    #         pd.testing.assert_frame_equal(calc_df, ref_df)
-
-    # def test_units_property(self, universes):
-    #     for u in universes:
-    #         assert u.units in VALID_UNITS
-
-    # def test_units_property_setter(self, universes):
-    #     for u in universes:
-    #         new_units = "ns"
-    #         u.units = new_units
-    #         assert u.units == new_units
-    #         assert u.units in VALID_UNITS
-
-    # def test_normalize_by_property(self, universes):
-    #     for u in universes:
-    #         assert u.normalize_by in ["counts", "actual_time", "time_fraction"]
-
-    # def test_normalize_by_property_setter(self, universes):
-    #     for u in universes:
-    #         new_normalize_by = "counts"
-    #         u.normalize_by = new_normalize_by
-    #         assert u.normalize_by == new_normalize_by
-    #         assert u.normalize_by in ["counts", "actual_time", "time_fraction"]
-
-    # def test_query_property_setter(self, universes):
-    #     for u in universes:
-    #         new_query = u.select_atoms("protein and (name CA or name BB)")
-    #         u.query = new_query
-    #         assert u.query is not None
-    #         assert isinstance(u.query, ExtendedAtomGroup)
-
-    # def test_database_property_setter(self, universes):
-    #     for u in universes:
-    #         new_database = u.select_atoms("resname CHOL or resname CHL1")
-    #         u.database = new_database
-    #         assert u.database is not None
-    #         assert isinstance(u.database, ExtendedAtomGroup)