diff --git a/airbyte_cdk/sources/declarative/extractors/record_filter.py b/airbyte_cdk/sources/declarative/extractors/record_filter.py
index 888498c8d..df11dda1b 100644
--- a/airbyte_cdk/sources/declarative/extractors/record_filter.py
+++ b/airbyte_cdk/sources/declarative/extractors/record_filter.py
@@ -37,14 +37,12 @@ def filter_records(
         stream_state: StreamState,
         stream_slice: Optional[StreamSlice] = None,
         next_page_token: Optional[Mapping[str, Any]] = None,
-        stream_interval: Optional[Mapping[str, Any]] = None,
     ) -> Iterable[Mapping[str, Any]]:
         kwargs = {
             "stream_state": stream_state,
             "stream_slice": stream_slice,
             "next_page_token": next_page_token,
             "stream_slice.extra_fields": stream_slice.extra_fields if stream_slice else {},
-            "stream_interval": stream_interval or {},
         }
         for record in records:
             if self._filter_interpolator.eval(self.config, record=record, **kwargs):
@@ -73,7 +71,6 @@ def filter_records(
         stream_state: StreamState,
         stream_slice: Optional[StreamSlice] = None,
         next_page_token: Optional[Mapping[str, Any]] = None,
-        stream_interval: Optional[Mapping[str, Any]] = None,
     ) -> Iterable[Mapping[str, Any]]:
         records = (
             record
@@ -90,6 +87,6 @@ def filter_records(
                 stream_state=stream_state,
                 stream_slice=stream_slice,
                 next_page_token=next_page_token,
-                stream_interval=stream_interval,
+
             )
         yield from records
diff --git a/airbyte_cdk/sources/declarative/extractors/record_selector.py b/airbyte_cdk/sources/declarative/extractors/record_selector.py
index 2941de1b9..d3a8e4eae 100644
--- a/airbyte_cdk/sources/declarative/extractors/record_selector.py
+++ b/airbyte_cdk/sources/declarative/extractors/record_selector.py
@@ -73,7 +73,6 @@ def select_records(
         records_schema: Mapping[str, Any],
         stream_slice: Optional[StreamSlice] = None,
         next_page_token: Optional[Mapping[str, Any]] = None,
-        stream_interval: Optional[Dict[str, Any]] = None,
     ) -> Iterable[Record]:
         """
         Selects records from the response
@@ -82,12 +81,11 @@ def select_records(
         :param records_schema: json schema of records to return
         :param stream_slice: The stream slice
         :param next_page_token: The paginator token
-        :param stream_interval: The stream interval for incremental sync values
         :return: List of Records selected from the response
         """
         all_data: Iterable[Mapping[str, Any]] = self.extractor.extract_records(response)
         yield from self.filter_and_transform(
-            all_data, stream_state, records_schema, stream_slice, next_page_token, stream_interval
+            all_data, stream_state, records_schema, stream_slice, next_page_token
         )
 
     def filter_and_transform(
@@ -97,7 +95,6 @@ def filter_and_transform(
         records_schema: Mapping[str, Any],
         stream_slice: Optional[StreamSlice] = None,
         next_page_token: Optional[Mapping[str, Any]] = None,
-        stream_interval: Optional[Dict[str, Any]] = None,
     ) -> Iterable[Record]:
         """
         There is an issue with the selector as of 2024-08-30: it does technology-agnostic processing like filtering, transformation and
@@ -108,10 +105,10 @@ def filter_and_transform(
         share the logic of doing transformations on a set of records.
         """
         filtered_data = self._filter(
-            all_data, stream_state, stream_slice, next_page_token, stream_interval
+            all_data, stream_state, stream_slice, next_page_token
         )
         transformed_data = self._transform(
-            filtered_data, stream_state, stream_slice, stream_interval
+            filtered_data, stream_state, stream_slice
         )
         normalized_data = self._normalize_by_schema(transformed_data, schema=records_schema)
         for data in normalized_data:
@@ -135,7 +132,6 @@ def _filter(
         stream_state: StreamState,
         stream_slice: Optional[StreamSlice],
         next_page_token: Optional[Mapping[str, Any]],
-        stream_interval: Optional[Dict[str, Any]] = None,
     ) -> Iterable[Mapping[str, Any]]:
         if self.record_filter:
             yield from self.record_filter.filter_records(
@@ -143,7 +139,6 @@ def _filter(
                 stream_state=stream_state,
                 stream_slice=stream_slice,
                 next_page_token=next_page_token,
-                stream_interval=stream_interval,
             )
         else:
             yield from records
@@ -153,7 +148,6 @@ def _transform(
         records: Iterable[Mapping[str, Any]],
         stream_state: StreamState,
         stream_slice: Optional[StreamSlice] = None,
-        stream_interval: Optional[Dict[str, Any]] = None,
     ) -> Iterable[Mapping[str, Any]]:
         for record in records:
             for transformation in self.transformations:
@@ -162,6 +156,5 @@ def _transform(
                     config=self.config,
                     stream_state=stream_state,
                     stream_slice=stream_slice,
-                    stream_interval=stream_interval,
                 )
             yield record
diff --git a/airbyte_cdk/sources/declarative/interpolation/jinja.py b/airbyte_cdk/sources/declarative/interpolation/jinja.py
index bdc3a0857..3d941ab98 100644
--- a/airbyte_cdk/sources/declarative/interpolation/jinja.py
+++ b/airbyte_cdk/sources/declarative/interpolation/jinja.py
@@ -38,6 +38,7 @@ def is_safe_attribute(self, obj: Any, attr: str, value: Any) -> bool:
 
 # These aliases are used to deprecate existing keywords without breaking all existing connectors.
 _ALIASES = {
+    "stream_interval": "stream_state",  # Use stream_interval to access incremental sync values
     "stream_partition": "stream_slice",  # Use stream_partition to access partition router's values
 }
 
@@ -95,12 +96,7 @@ def eval(
         context = {"config": config, **additional_parameters}
 
         for alias, equivalent in _ALIASES.items():
-            if alias in context:
-                # This is unexpected. We could ignore or log a warning, but failing loudly should result in fewer surprises
-                raise ValueError(
-                    f"Found reserved keyword {alias} in interpolation context. This is unexpected and indicative of a bug in the CDK."
-                )
-            elif equivalent in context:
+            if equivalent in context:
                 context[alias] = context[equivalent]
 
         try:
diff --git a/airbyte_cdk/sources/declarative/requesters/request_options/interpolated_request_input_provider.py b/airbyte_cdk/sources/declarative/requesters/request_options/interpolated_request_input_provider.py
index 9054c6318..d44571daa 100644
--- a/airbyte_cdk/sources/declarative/requesters/request_options/interpolated_request_input_provider.py
+++ b/airbyte_cdk/sources/declarative/requesters/request_options/interpolated_request_input_provider.py
@@ -40,24 +40,22 @@ def eval_request_inputs(
         stream_state: Optional[StreamState] = None,
         stream_slice: Optional[StreamSlice] = None,
         next_page_token: Optional[Mapping[str, Any]] = None,
-        stream_interval: Optional[Dict[str, Any]] = None,
         valid_key_types: Optional[Tuple[Type[Any]]] = None,
         valid_value_types: Optional[Tuple[Type[Any], ...]] = None,
     ) -> Mapping[str, Any]:
         """
         Returns the request inputs to set on an outgoing HTTP request
 
-        :param stream_state: The stream state (deprecated, use stream_interval instead)
+        :param stream_state: The stream state
         :param stream_slice: The stream slice
         :param next_page_token: The pagination token
-        :param stream_interval: The stream interval for incremental sync values
         :param valid_key_types: A tuple of types that the interpolator should allow
         :param valid_value_types: A tuple of types that the interpolator should allow
         :return: The request inputs to set on an outgoing HTTP request
         """
         kwargs = {
             "stream_slice": stream_slice,
-            "stream_interval": stream_interval or stream_state,  # Use stream_state as stream_interval for backward compatibility
+            "stream_state": stream_state,
             "next_page_token": next_page_token,
         }
         interpolated_value = self._interpolator.eval(  # type: ignore # self._interpolator is always initialized with a value and will not be None
diff --git a/airbyte_cdk/sources/declarative/transformations/add_fields.py b/airbyte_cdk/sources/declarative/transformations/add_fields.py
index 4de8885ff..c7e67cc1b 100644
--- a/airbyte_cdk/sources/declarative/transformations/add_fields.py
+++ b/airbyte_cdk/sources/declarative/transformations/add_fields.py
@@ -45,7 +45,6 @@ class AddFields(RecordTransformation):
     This transformation has access to the following contextual values:
         record: the record about to be output by the connector
         config: the input configuration provided to a connector
-        stream_interval: the stream interval for incremental sync values
         stream_slice: the current stream slice being read
 
 
@@ -65,10 +64,6 @@ class AddFields(RecordTransformation):
         - path: ["shop_id"]
           value: "{{ config.shop_id }}"
 
-        # from stream_interval
-        - path: ["current_state"]
-          value: "{{ stream_interval.cursor_field }}"
-
         # from record
         - path: ["unnested_value"]
           value: {{ record.nested.field }}
@@ -127,14 +122,12 @@ def transform(
         config: Optional[Config] = None,
         stream_state: Optional[StreamState] = None,
         stream_slice: Optional[StreamSlice] = None,
-        stream_interval: Optional[Dict[str, Any]] = None,
     ) -> None:
         if config is None:
             config = {}
         kwargs = {
             "record": record,
             "stream_slice": stream_slice,
-            "stream_interval": stream_interval,
         }
         for parsed_field in self._parsed_fields:
             valid_types = (parsed_field.value_type,) if parsed_field.value_type else None
diff --git a/airbyte_cdk/sources/declarative/transformations/dpath_flatten_fields.py b/airbyte_cdk/sources/declarative/transformations/dpath_flatten_fields.py
index 29c0d5711..893034ecd 100644
--- a/airbyte_cdk/sources/declarative/transformations/dpath_flatten_fields.py
+++ b/airbyte_cdk/sources/declarative/transformations/dpath_flatten_fields.py
@@ -41,7 +41,6 @@ def transform(
         config: Optional[Config] = None,
         stream_state: Optional[StreamState] = None,
         stream_slice: Optional[StreamSlice] = None,
-        stream_interval: Optional[Dict[str, Any]] = None,
     ) -> None:
         path = [path.eval(self.config) for path in self._field_path]
         if "*" in path:
diff --git a/airbyte_cdk/sources/declarative/transformations/flatten_fields.py b/airbyte_cdk/sources/declarative/transformations/flatten_fields.py
index 3d1d33ceb..59d8874f7 100644
--- a/airbyte_cdk/sources/declarative/transformations/flatten_fields.py
+++ b/airbyte_cdk/sources/declarative/transformations/flatten_fields.py
@@ -22,7 +22,6 @@ def transform(
         config: Optional[Config] = None,
         stream_state: Optional[StreamState] = None,
         stream_slice: Optional[StreamSlice] = None,
-        stream_interval: Optional[Dict[str, Any]] = None,
     ) -> None:
         transformed_record = self.flatten_record(record)
         record.clear()
diff --git a/airbyte_cdk/sources/declarative/transformations/keys_replace_transformation.py b/airbyte_cdk/sources/declarative/transformations/keys_replace_transformation.py
index bff645c92..d48529a14 100644
--- a/airbyte_cdk/sources/declarative/transformations/keys_replace_transformation.py
+++ b/airbyte_cdk/sources/declarative/transformations/keys_replace_transformation.py
@@ -41,7 +41,6 @@ def transform(
         config: Optional[Config] = None,
         stream_state: Optional[StreamState] = None,
         stream_slice: Optional[StreamSlice] = None,
-        stream_interval: Optional[Dict[str, Any]] = None,
     ) -> None:
         if config is None:
             config = {}
@@ -49,7 +48,6 @@ def transform(
         kwargs = {
             "record": record,
             "stream_slice": stream_slice,
-            "stream_interval": stream_interval,
         }
         old_key = str(self._old.eval(config, **kwargs))
         new_key = str(self._new.eval(config, **kwargs))
diff --git a/airbyte_cdk/sources/declarative/transformations/keys_to_lower_transformation.py b/airbyte_cdk/sources/declarative/transformations/keys_to_lower_transformation.py
index a37b9a737..ea74fd326 100644
--- a/airbyte_cdk/sources/declarative/transformations/keys_to_lower_transformation.py
+++ b/airbyte_cdk/sources/declarative/transformations/keys_to_lower_transformation.py
@@ -20,7 +20,6 @@ def transform(
         config: Optional[Config] = None,
         stream_state: Optional[StreamState] = None,
         stream_slice: Optional[StreamSlice] = None,
-        stream_interval: Optional[Dict[str, Any]] = None,
     ) -> None:
         for key in set(record.keys()):
             record[key.lower()] = record.pop(key)
diff --git a/airbyte_cdk/sources/declarative/transformations/keys_to_snake_transformation.py b/airbyte_cdk/sources/declarative/transformations/keys_to_snake_transformation.py
index da3559c4a..0abc8cb38 100644
--- a/airbyte_cdk/sources/declarative/transformations/keys_to_snake_transformation.py
+++ b/airbyte_cdk/sources/declarative/transformations/keys_to_snake_transformation.py
@@ -26,7 +26,6 @@ def transform(
         config: Optional[Config] = None,
         stream_state: Optional[StreamState] = None,
         stream_slice: Optional[StreamSlice] = None,
-        stream_interval: Optional[Dict[str, Any]] = None,
     ) -> None:
         transformed_record = self._transform_record(record)
         record.clear()
diff --git a/airbyte_cdk/sources/declarative/transformations/remove_fields.py b/airbyte_cdk/sources/declarative/transformations/remove_fields.py
index a383da917..14226ce37 100644
--- a/airbyte_cdk/sources/declarative/transformations/remove_fields.py
+++ b/airbyte_cdk/sources/declarative/transformations/remove_fields.py
@@ -57,7 +57,6 @@ def transform(
         config: Optional[Config] = None,
         stream_state: Optional[StreamState] = None,
         stream_slice: Optional[StreamSlice] = None,
-        stream_interval: Optional[Dict[str, Any]] = None,
     ) -> None:
         """
         :param record: The record to be transformed
diff --git a/airbyte_cdk/sources/declarative/transformations/transformation.py b/airbyte_cdk/sources/declarative/transformations/transformation.py
index ba28e0b9e..206ea9edd 100644
--- a/airbyte_cdk/sources/declarative/transformations/transformation.py
+++ b/airbyte_cdk/sources/declarative/transformations/transformation.py
@@ -22,7 +22,6 @@ def transform(
         config: Optional[Mapping[str, Any]] = None,
         stream_state: Optional[Mapping[str, Any]] = None,
         stream_slice: Optional[StreamSlice] = None,
-        stream_interval: Optional[Dict[str, Any]] = None,
     ) -> None:
         """
         Transform a record by adding, deleting, or mutating fields directly from the record reference passed in argument.
@@ -31,7 +30,6 @@ def transform(
         :param config: The user-provided configuration as specified by the source's spec
         :param stream_state: The stream state
         :param stream_slice: The stream slice
-        :param stream_interval: The stream interval for incremental sync values
         :return: The transformed record
         """
 
diff --git a/unit_tests/sources/declarative/datetime/test_min_max_datetime.py b/unit_tests/sources/declarative/datetime/test_min_max_datetime.py
index 0e470166f..104add557 100644
--- a/unit_tests/sources/declarative/datetime/test_min_max_datetime.py
+++ b/unit_tests/sources/declarative/datetime/test_min_max_datetime.py
@@ -86,20 +86,20 @@
 )
 def test_min_max_datetime(test_name, date, min_date, max_date, expected_date):
     config = {"older": old_date, "middle": middle_date}
-    stream_interval = {"newer": new_date}
+    stream_state = {"newer": new_date}
     parameters = {"newer": new_date, "older": old_date}
 
     min_max_date = MinMaxDatetime(
         datetime=date, min_datetime=min_date, max_datetime=max_date, parameters=parameters
     )
-    actual_date = min_max_date.get_datetime(config, **{"stream_interval": stream_interval})
+    actual_date = min_max_date.get_datetime(config, **{"stream_interval": stream_state})
 
     assert actual_date == datetime.datetime.strptime(expected_date, date_format)
 
 
 def test_custom_datetime_format():
     config = {"older": "2021-01-01T20:12:19", "middle": "2022-01-01T20:12:19"}
-    stream_interval = {"newer": "2022-06-24T20:12:19"}
+    stream_state = {"newer": "2022-06-24T20:12:19"}
 
     min_max_date = MinMaxDatetime(
         datetime="{{ config['middle'] }}",
@@ -108,7 +108,7 @@ def test_custom_datetime_format():
         max_datetime="{{ stream_interval['newer'] }}",
         parameters={},
     )
-    actual_date = min_max_date.get_datetime(config, **{"stream_interval": stream_interval})
+    actual_date = min_max_date.get_datetime(config, **{"stream_interval": stream_state})
 
     assert actual_date == datetime.datetime.strptime(
         "2022-01-01T20:12:19", "%Y-%m-%dT%H:%M:%S"
@@ -117,7 +117,7 @@ def test_custom_datetime_format():
 
 def test_format_is_a_number():
     config = {"older": "20210101", "middle": "20220101"}
-    stream_interval = {"newer": "20220624"}
+    stream_state = {"newer": "20220624"}
 
     min_max_date = MinMaxDatetime(
         datetime="{{ config['middle'] }}",
@@ -126,7 +126,7 @@ def test_format_is_a_number():
         max_datetime="{{ stream_interval['newer'] }}",
         parameters={},
     )
-    actual_date = min_max_date.get_datetime(config, **{"stream_interval": stream_interval})
+    actual_date = min_max_date.get_datetime(config, **{"stream_interval": stream_state})
 
     assert actual_date == datetime.datetime.strptime("20220101", "%Y%m%d").replace(
         tzinfo=datetime.timezone.utc
diff --git a/unit_tests/sources/declarative/extractors/test_record_filter.py b/unit_tests/sources/declarative/extractors/test_record_filter.py
index b20af7751..5df391327 100644
--- a/unit_tests/sources/declarative/extractors/test_record_filter.py
+++ b/unit_tests/sources/declarative/extractors/test_record_filter.py
@@ -56,7 +56,7 @@
     "filter_template, records, expected_records",
     [
         (
-            "{{ record['created_at'] > stream_interval['created_at'] }}",
+            "{{ record['created_at'] > stream_state['created_at'] }}",
             [
                 {"id": 1, "created_at": "06-06-21"},
                 {"id": 2, "created_at": "06-07-21"},
@@ -116,7 +116,7 @@ def test_record_filter(
 ):
     config = {"response_override": "stop_if_you_see_me"}
     parameters = {"created_at": "06-07-21"}
-    stream_interval = {"created_at": "06-06-21"}
+    stream_state = {"created_at": "06-06-21"}
     stream_slice = StreamSlice(
         partition={},
         cursor_slice={"last_seen": "06-10-21"},
@@ -128,10 +128,9 @@ def test_record_filter(
     actual_records = list(
         record_filter.filter_records(
             records,
-            stream_state={},
+            stream_state=stream_state,
             stream_slice=stream_slice,
             next_page_token=next_page_token,
-            stream_interval=stream_interval,
         )
     )
     assert actual_records == expected_records
diff --git a/unit_tests/sources/declarative/extractors/test_record_selector.py b/unit_tests/sources/declarative/extractors/test_record_selector.py
index d0e3b431a..060799230 100644
--- a/unit_tests/sources/declarative/extractors/test_record_selector.py
+++ b/unit_tests/sources/declarative/extractors/test_record_selector.py
@@ -23,7 +23,7 @@
         (
             "test_with_extractor_and_filter",
             ["data"],
-            "{{ record['created_at'] > stream_interval['created_at'] }}",
+            "{{ record['created_at'] > stream_state['created_at'] }}",
             {
                 "data": [
                     {"id": 1, "created_at": "06-06-21"},
@@ -79,7 +79,7 @@
 def test_record_filter(test_name, field_path, filter_template, body, expected_data):
     config = {"response_override": "stop_if_you_see_me"}
     parameters = {"parameters_field": "data", "created_at": "06-07-21"}
-    stream_interval = {"created_at": "06-06-21"}
+    stream_state = {"created_at": "06-06-21"}
     stream_slice = StreamSlice(partition={}, cursor_slice={"last_seen": "06-10-21"})
     next_page_token = {"last_seen_id": 14}
     schema = create_schema()