diff --git a/plinth/modules/email_server/aliases/models.py b/plinth/modules/email_server/aliases/models.py
index 2f307498f..18d22f906 100644
--- a/plinth/modules/email_server/aliases/models.py
+++ b/plinth/modules/email_server/aliases/models.py
@@ -1,25 +1,8 @@
-import re
 from dataclasses import InitVar, dataclass, field
 
-from django.core.exceptions import ValidationError
-from django.utils.translation import gettext_lazy as _
-
 email_positive_pattern = re.compile('^[a-zA-Z0-9-_\\.]+')
 
 
-def sanitize_email_name(email_name):
-    email_name = email_name.strip().lower()
-    if len(email_name) < 2:
-        raise ValidationError(_('Must be at least 2 characters long'))
-    if not re.match('^[a-z0-9-_\\.]+$', email_name):
-        raise ValidationError(_('Contains illegal characters'))
-    if not re.match('^[a-z0-9].*[a-z0-9]$', email_name):
-        raise ValidationError(_('Must start and end with a-z or 0-9'))
-    if re.match('^[0-9]+$', email_name):
-        raise ValidationError(_('Cannot be a number'))
-    return email_name
-
-
 @dataclass
 class Alias:
     uid_number: int