diff --git a/tests/conftest.py b/tests/conftest.py
index 5ce616bd2..10e2cafa8 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -134,15 +134,6 @@ def test_data_path():
     return os.path.join(CUR_DIR, "test_data")
 
 
-# only load from disk once per session, and we use np.copy for the elements,
-# to ensure data in this loaded file stays as originally loaded
-@pytest.fixture(scope="session")
-def data_file(test_data_path):
-    in_file = os.path.join(test_data_path, "tomo_standard.npz")
-    # keys: data, flats, darks, angles, angles_total, detector_y, detector_x
-    return np.load(in_file)
-
-
 @pytest.fixture
 def ensure_clean_memory():
     import cupy as cp
@@ -158,54 +149,6 @@ def ensure_clean_memory():
     cache.clear()
 
 
-@pytest.fixture
-def host_data(data_file):
-    return np.float32(np.copy(data_file["data"]))
-
-
-@pytest.fixture
-def data(host_data, ensure_clean_memory):
-    import cupy as cp
-
-    return cp.asarray(host_data)
-
-
-@pytest.fixture
-def host_angles(data_file):
-    return np.float32(np.copy(data_file["angles"]))
-
-
-@pytest.fixture
-def host_angles_radians(host_angles):
-    return host_angles
-
-
-@pytest.fixture
-def host_flats(data_file):
-    return np.float32(np.copy(data_file["flats"]))
-
-
-@pytest.fixture
-def flats(host_flats, ensure_clean_memory):
-    import cupy as cp
-
-    return cp.asarray(host_flats)
-
-
-@pytest.fixture
-def host_darks(
-    data_file,
-):
-    return np.float32(np.copy(data_file["darks"]))
-
-
-@pytest.fixture
-def darks(host_darks, ensure_clean_memory):
-    import cupy as cp
-
-    return cp.asarray(host_darks)
-
-
 @pytest.fixture
 def standard_data_path():
     return "/entry1/tomo_entry/data/data"
diff --git a/tests/test_data/tomo_standard.npz b/tests/test_data/tomo_standard.npz
deleted file mode 100644
index 7d13723d0..000000000
Binary files a/tests/test_data/tomo_standard.npz and /dev/null differ