diff --git a/tests/unit/vertexai/test_offline_store.py b/tests/unit/vertexai/test_offline_store.py
index 7183936450..240da18869 100644
--- a/tests/unit/vertexai/test_offline_store.py
+++ b/tests/unit/vertexai/test_offline_store.py
@@ -22,8 +22,6 @@
 from google import auth
 from vertexai.resources.preview.feature_store import (
     offline_store,
-    FeatureGroup,
-    Feature,
 )
 
 pytestmark = [
@@ -266,7 +264,7 @@ def mock_session(bigframes_import_mock):
 
 @pytest.fixture()
 def mock_fg():
-    with mock.patch.object(FeatureGroup, "__new__") as mock_fg:
+    with mock.patch.object(offline_store, "FeatureGroup") as mock_fg:
         yield mock_fg
 
 
@@ -282,12 +280,6 @@ def create_mock_fg(
     return fg
 
 
-@pytest.fixture()
-def mock_feature():
-    with mock.patch.object(Feature, "__new__") as mock_feature:
-        yield mock_feature
-
-
 def create_mock_feature(
     name: str,
     version_column_name: str,
@@ -360,7 +352,6 @@ def test_one_feature_same_and_different_bq_col_name(
     mock_convert_to_bigquery_dataframe,
     mock_session,
     mock_fg,
-    mock_feature,
     bigframes_import_mock,
 ):
     bigframes, _ = bigframes_import_mock
@@ -382,6 +373,7 @@ def test_one_feature_same_and_different_bq_col_name(
     mock_fg.return_value = create_mock_fg(
         name="fake", entity_id_cols=["customer_id"], bq_uri="bq://my.table"
     )
+    mock_feature = mock.MagicMock()
     mock_feature.return_value = create_mock_feature(
         name=feature_name, version_column_name=bq_column_name
     )
@@ -407,7 +399,6 @@ def test_one_feature_with_explicit_project_and_location(
     mock_convert_to_bigquery_dataframe,
     mock_session,
     mock_fg,
-    mock_feature,
     bigframes_import_mock,
 ):
     bigframes, _ = bigframes_import_mock
@@ -428,6 +419,7 @@ def test_one_feature_with_explicit_project_and_location(
     mock_fg.return_value = create_mock_fg(
         name="fake", entity_id_cols=["customer_id"], bq_uri="bq://my.table"
     )
+    mock_feature = mock.MagicMock()
     mock_feature.return_value = create_mock_feature(
         name="my_feature", version_column_name="my_feature"
     )
@@ -457,7 +449,6 @@ def test_one_feature_with_explicit_credentials(
     mock_convert_to_bigquery_dataframe,
     mock_session,
     mock_fg,
-    mock_feature,
     bigframes_import_mock,
 ):
     bigframes, _ = bigframes_import_mock
@@ -478,6 +469,7 @@ def test_one_feature_with_explicit_credentials(
     mock_fg.return_value = create_mock_fg(
         name="fake", entity_id_cols=["customer_id"], bq_uri="bq://my.table"
     )
+    mock_feature = mock.MagicMock()
     mock_feature.return_value = create_mock_feature(
         name="my_feature", version_column_name="my_feature"
     )
@@ -507,7 +499,6 @@ def test_one_feature_with_explicit_credentials(
     # Ensure when getting the FeatureGroup and Feature, the credentials are
     # passed through.
     mock_fg.assert_called_once_with(
-        FeatureGroup,
         "fake",
         project=None,
         credentials=credentials,