diff --git a/bd_api/apps/api/v1/models.py b/bd_api/apps/api/v1/models.py
index 4f867b9d..733e04e4 100644
--- a/bd_api/apps/api/v1/models.py
+++ b/bd_api/apps/api/v1/models.py
@@ -11,9 +11,9 @@
 from ordered_model.models import OrderedModel
 
 from bd_api.apps.account.models import Account
-from bd_api.apps.api.v1.utils import check_kebab_case, check_snake_case
 from bd_api.custom.model import BaseModel
 from bd_api.custom.storage import OverwriteStorage, upload_to, validate_image
+from bd_api.custom.utils import check_kebab_case, check_snake_case
 
 
 def to_str(value: str | None, zfill: int = 0):
diff --git a/bd_api/apps/api/v1/utils.py b/bd_api/custom/utils.py
similarity index 71%
rename from bd_api/apps/api/v1/utils.py
rename to bd_api/custom/utils.py
index 5b1d5c2f..7e9e6096 100644
--- a/bd_api/apps/api/v1/utils.py
+++ b/bd_api/custom/utils.py
@@ -1,22 +1,12 @@
 # -*- coding: utf-8 -*-
-"""
-General-purpose functions for the API.
-"""
-
 import string
 
 
 def check_snake_case(name: str) -> bool:
-    """
-    Check if a string is in snake_case.
-    """
     allowed_chars = set(string.ascii_lowercase + string.digits + "_")
     return set(name).issubset(allowed_chars) and name[0] != "_"
 
 
 def check_kebab_case(name: str) -> bool:
-    """
-    Check if a string is in kebab-case.
-    """
     allowed_chars = set(string.ascii_lowercase + string.digits + "-")
     return set(name).issubset(allowed_chars) and name[0] != "-"