diff --git a/seahub/repo_metadata/apis.py b/seahub/repo_metadata/apis.py
index 16dda7531e..f8ae15c4d7 100644
--- a/seahub/repo_metadata/apis.py
+++ b/seahub/repo_metadata/apis.py
@@ -18,7 +18,7 @@ from seahub.repo_metadata.utils import add_init_metadata_task, recognize_faces,
     get_unmodifiable_columns, can_read_metadata, init_faces, \
     extract_file_details, get_table_by_name, remove_faces_table, FACES_SAVE_PATH, \
     init_tags, init_tag_self_link_columns, remove_tags_table, add_init_face_recognition_task, init_ocr, \
-    remove_ocr_column, get_update_record, update_people_cover_photo, gen_unique_tag_name
+    remove_ocr_column, get_update_record, update_people_cover_photo
 from seahub.repo_metadata.metadata_server_api import MetadataServerAPI, list_metadata_view_records
 from seahub.utils.repo import is_repo_admin
 from seaserv import seafile_api
diff --git a/seahub/repo_metadata/utils.py b/seahub/repo_metadata/utils.py
index 6156e25d20..aed44b8d66 100644
--- a/seahub/repo_metadata/utils.py
+++ b/seahub/repo_metadata/utils.py
@@ -73,12 +73,6 @@ def gen_unique_id(id_set, length=4):
             return _id
         _id = generator_base64_code(length)
 
-def gen_unique_tag_name(tag_name, exist_tags, counter=1):
-    new_name = f'{tag_name}({counter})'
-    if new_name not in exist_tags:
-        return new_name
-    return gen_unique_tag_name(tag_name, exist_tags, counter + 1)
-
 def get_face_columns():
     from seafevents.repo_metadata.constants import FACES_TABLE
     columns = [