diff --git a/docs/api.rst b/docs/api.rst
index aadd2718..e66ae468 100644
--- a/docs/api.rst
+++ b/docs/api.rst
@@ -44,6 +44,7 @@ Preferential Optimization
    optuna_dashboard.preferential.create_study
    optuna_dashboard.preferential.load_study
    optuna_dashboard.preferential.PreferentialStudy
+   optuna_dashboard._prefential_setting.register_preference_feedback_component
 
 Streamlit
 -----------------
diff --git a/optuna_dashboard/_app.py b/optuna_dashboard/_app.py
index 4c22bdbf..3abac3fc 100644
--- a/optuna_dashboard/_app.py
+++ b/optuna_dashboard/_app.py
@@ -28,7 +28,7 @@ from ._cached_extra_study_property import get_cached_extra_study_property
 from ._custom_plot_data import get_plotly_graph_objects
 from ._importance import get_param_importance_from_trials_cache
 from ._pareto_front import get_pareto_front_trials
-from ._preference_setting import _register_preference_feedback_component_type
+from ._preference_setting import _register_preference_feedback_component
 from ._preferential_history import NewHistory
 from ._preferential_history import PreferenceHistoryNotFound
 from ._preferential_history import remove_history
@@ -323,7 +323,7 @@ def create_app(
             response.status = 400
             return {"reason": "component_type must be either 'Note' or 'Artifact'."}
 
-        _register_preference_feedback_component_type(
+        _register_preference_feedback_component(
             study_id=study_id,
             storage=storage,
             component_type=component_type,
diff --git a/optuna_dashboard/_preference_setting.py b/optuna_dashboard/_preference_setting.py
index d0f8c82c..907fc2be 100644
--- a/optuna_dashboard/_preference_setting.py
+++ b/optuna_dashboard/_preference_setting.py
@@ -16,7 +16,7 @@ if TYPE_CHECKING:
 _SYSTEM_ATTR_FEEDBACK_COMPONENT = "preference:component"
 
 
-def _register_preference_feedback_component_type(
+def _register_preference_feedback_component(
     study_id: int,
     storage: BaseStorage,
     component_type: OUTPUT_COMPONENT_TYPE,
@@ -59,7 +59,7 @@ def register_preference_feedback_component(
             artifact_key is not None
         ), "artifact_key must be specified when component_type is Artifact"
 
-    _register_preference_feedback_component_type(
+    _register_preference_feedback_component(
         study_id=study._study._study_id,
         storage=study._study._storage,
         component_type=component_type,
diff --git a/python_tests/test_api.py b/python_tests/test_api.py
index d5de330d..db79c0d8 100644
--- a/python_tests/test_api.py
+++ b/python_tests/test_api.py
@@ -8,7 +8,7 @@ from optuna import get_all_study_summaries
 from optuna.study import StudyDirection
 from optuna_dashboard._app import create_app
 from optuna_dashboard._app import create_new_study
-from optuna_dashboard._preference_setting import register_preference_feedback_component_type
+from optuna_dashboard._preference_setting import register_preference_feedback_component
 from optuna_dashboard._preferential_history import NewHistory
 from optuna_dashboard._preferential_history import remove_history
 from optuna_dashboard._preferential_history import report_history
@@ -187,7 +187,7 @@ class APITestCase(TestCase):
     def test_change_component(self) -> None:
         storage = optuna.storages.InMemoryStorage()
         study = create_study(storage=storage, n_generate=3)
-        register_preference_feedback_component_type(study, "note")
+        register_preference_feedback_component(study, "note")
         for _ in range(3):
             study.ask()
 
diff --git a/python_tests/test_preference_setting.py b/python_tests/test_preference_setting.py
index bcd53e42..a0adcb39 100644
--- a/python_tests/test_preference_setting.py
+++ b/python_tests/test_preference_setting.py
@@ -4,14 +4,14 @@ from unittest import TestCase
 
 import optuna
 from optuna_dashboard._preference_setting import _SYSTEM_ATTR_FEEDBACK_COMPONENT
-from optuna_dashboard._preference_setting import register_preference_feedback_component_type
+from optuna_dashboard._preference_setting import register_preference_feedback_component
 from optuna_dashboard.preferential._study import PreferentialStudy
 
 
 class FeedbackSettingTestCase(TestCase):
     def test_widget_to_dict_from_dict(self) -> None:
         study = PreferentialStudy(optuna.create_study())
-        register_preference_feedback_component_type(study, "artifact", "image_key")
+        register_preference_feedback_component(study, "artifact", "image_key")
         system_attrs = study._study.system_attrs
         feedback_type = system_attrs.get(_SYSTEM_ATTR_FEEDBACK_COMPONENT, {})
         assert "type" in feedback_type