diff --git a/sdk/python/feast/feature_view.py b/sdk/python/feast/feature_view.py
index 9f07e192b1..19ebc3a57f 100644
--- a/sdk/python/feast/feature_view.py
+++ b/sdk/python/feast/feature_view.py
@@ -100,7 +100,7 @@ def __init__(
         source: DataSource,
         schema: Optional[List[Field]] = None,
         entities: List[Entity] = None,
-        ttl: timedelta = None,
+        ttl: timedelta = timedelta(days=0),
         online: bool = True,
         description: str = "",
         tags: Optional[Dict[str, str]] = None,
diff --git a/sdk/python/feast/stream_feature_view.py b/sdk/python/feast/stream_feature_view.py
index a02508308f..ca8da44738 100644
--- a/sdk/python/feast/stream_feature_view.py
+++ b/sdk/python/feast/stream_feature_view.py
@@ -79,7 +79,7 @@ def __init__(
         name: str,
         source: DataSource,
         entities: Optional[Union[List[Entity], List[str]]] = None,
-        ttl: Optional[timedelta] = None,
+        ttl: timedelta = timedelta(days=0),
         tags: Optional[Dict[str, str]] = None,
         online: Optional[bool] = True,
         description: Optional[str] = "",
@@ -119,7 +119,7 @@ def __init__(
         super().__init__(
             name=name,
             entities=entities,
-            ttl=ttl or timedelta(days=0),
+            ttl=ttl,
             tags=tags,
             online=online,
             description=description,
diff --git a/sdk/python/tests/integration/offline_store/test_universal_historical_retrieval.py b/sdk/python/tests/integration/offline_store/test_universal_historical_retrieval.py
index 38cf104d24..cd61822e1c 100644
--- a/sdk/python/tests/integration/offline_store/test_universal_historical_retrieval.py
+++ b/sdk/python/tests/integration/offline_store/test_universal_historical_retrieval.py
@@ -571,7 +571,6 @@ def test_historical_features_from_bigquery_sources_containing_backfills(environm
         entities=[driver],
         schema=[Field(name="avg_daily_trips", dtype=Int32)],
         source=driver_stats_data_source,
-        ttl=None,
     )
 
     store.apply([driver, driver_fv])
diff --git a/sdk/python/tests/unit/diff/test_registry_diff.py b/sdk/python/tests/unit/diff/test_registry_diff.py
index 9c4be2af37..61f4f77702 100644
--- a/sdk/python/tests/unit/diff/test_registry_diff.py
+++ b/sdk/python/tests/unit/diff/test_registry_diff.py
@@ -14,33 +14,28 @@ def test_tag_objects_for_keep_delete_update_add(simple_dataset_1):
             name="to_delete",
             entities=[entity],
             source=file_source,
-            ttl=None,
         )
         unchanged_fv = FeatureView(
             name="fv1",
             entities=[entity],
             source=file_source,
-            ttl=None,
         )
         pre_changed = FeatureView(
             name="fv2",
             entities=[entity],
             source=file_source,
-            ttl=None,
             tags={"when": "before"},
         )
         post_changed = FeatureView(
             name="fv2",
             entities=[entity],
             source=file_source,
-            ttl=None,
             tags={"when": "after"},
         )
         to_add = FeatureView(
             name="to_add",
             entities=[entity],
             source=file_source,
-            ttl=None,
         )
 
         keep, delete, update, add = tag_objects_for_keep_delete_update_add(
@@ -68,14 +63,12 @@ def test_diff_registry_objects_feature_views(simple_dataset_1):
             name="fv2",
             entities=[entity],
             source=file_source,
-            ttl=None,
             tags={"when": "before"},
         )
         post_changed = FeatureView(
             name="fv2",
             entities=[entity],
             source=file_source,
-            ttl=None,
             tags={"when": "after"},
         )