diff --git a/h/services/bulk_api/__init__.py b/h/services/bulk_api/__init__.py
index 133ce18a0cc..e06cabbadf4 100644
--- a/h/services/bulk_api/__init__.py
+++ b/h/services/bulk_api/__init__.py
@@ -1,3 +1,3 @@
 from h.services.bulk_api.annotation import BulkAnnotation, BulkAnnotationService
-from h.services.bulk_api.core import BadDateFilter
+from h.services.bulk_api.exceptions import BadDateFilter
 from h.services.bulk_api.group import BulkGroupService
diff --git a/h/services/bulk_api/core.py b/h/services/bulk_api/_helpers.py
similarity index 92%
rename from h/services/bulk_api/core.py
rename to h/services/bulk_api/_helpers.py
index 08a24c5c0c9..d77292c0e97 100644
--- a/h/services/bulk_api/core.py
+++ b/h/services/bulk_api/_helpers.py
@@ -1,8 +1,6 @@
 import sqlalchemy as sa
 
-
-class BadDateFilter(Exception):
-    """There is something wrong with the date filter provided."""
+from h.services.bulk_api.exceptions import BadDateFilter
 
 
 def date_match(column: sa.Column, spec: dict):
diff --git a/h/services/bulk_api/annotation.py b/h/services/bulk_api/annotation.py
index 1e838d5d1b9..08e230ca248 100644
--- a/h/services/bulk_api/annotation.py
+++ b/h/services/bulk_api/annotation.py
@@ -6,7 +6,7 @@
 from sqlalchemy.sql import Select
 
 from h.models import AnnotationMetadata, AnnotationSlim, Group, GroupMembership, User
-from h.services.bulk_api.core import date_match
+from h.services.bulk_api._helpers import date_match
 
 
 @dataclass
diff --git a/h/services/bulk_api/exceptions.py b/h/services/bulk_api/exceptions.py
new file mode 100644
index 00000000000..da176582e90
--- /dev/null
+++ b/h/services/bulk_api/exceptions.py
@@ -0,0 +1,2 @@
+class BadDateFilter(Exception):
+    """There is something wrong with the date filter provided."""
diff --git a/h/services/bulk_api/group.py b/h/services/bulk_api/group.py
index e9cca100b8c..219c191c6f2 100644
--- a/h/services/bulk_api/group.py
+++ b/h/services/bulk_api/group.py
@@ -5,7 +5,7 @@
 from sqlalchemy.orm import Session
 
 from h.models import Annotation, Group
-from h.services.bulk_api.core import date_match
+from h.services.bulk_api._helpers import date_match
 
 
 @dataclass
diff --git a/tests/unit/h/services/bulk_api/core_test.py b/tests/unit/h/services/bulk_api/_helpers_test.py
similarity index 93%
rename from tests/unit/h/services/bulk_api/core_test.py
rename to tests/unit/h/services/bulk_api/_helpers_test.py
index ed96e2cc972..0f359401e72 100644
--- a/tests/unit/h/services/bulk_api/core_test.py
+++ b/tests/unit/h/services/bulk_api/_helpers_test.py
@@ -6,7 +6,8 @@
 from sqlalchemy import select
 
 from h.models import Annotation
-from h.services.bulk_api.core import BadDateFilter, date_match
+from h.services.bulk_api._helpers import date_match
+from h.services.bulk_api.exceptions import BadDateFilter
 
 
 class TestDateMatch:
diff --git a/tests/unit/h/views/api/bulk/annotation_test.py b/tests/unit/h/views/api/bulk/annotation_test.py
index 51735175243..eb177d1b287 100644
--- a/tests/unit/h/views/api/bulk/annotation_test.py
+++ b/tests/unit/h/views/api/bulk/annotation_test.py
@@ -3,7 +3,7 @@
 
 from h.schemas import ValidationError
 from h.services.bulk_api.annotation import BulkAnnotation
-from h.services.bulk_api.core import BadDateFilter
+from h.services.bulk_api.exceptions import BadDateFilter
 from h.views.api.bulk.annotation import BulkAnnotationSchema, bulk_annotation
 
 
diff --git a/tests/unit/h/views/api/bulk/group_test.py b/tests/unit/h/views/api/bulk/group_test.py
index 882853fcee2..8ca81b50d08 100644
--- a/tests/unit/h/views/api/bulk/group_test.py
+++ b/tests/unit/h/views/api/bulk/group_test.py
@@ -2,7 +2,7 @@
 from h_matchers import Any
 
 from h.schemas import ValidationError
-from h.services.bulk_api.core import BadDateFilter
+from h.services.bulk_api.exceptions import BadDateFilter
 from h.services.bulk_api.group import BulkGroup
 from h.views.api.bulk.group import BulkGroupSchema, bulk_group