diff --git a/netbox/ipam/forms/model_forms.py b/netbox/ipam/forms/model_forms.py
index e7fccfe82..16ed1a2c3 100644
--- a/netbox/ipam/forms/model_forms.py
+++ b/netbox/ipam/forms/model_forms.py
@@ -538,7 +538,6 @@ class FHRPGroupForm(NetBoxModelForm):
                 role=FHRP_PROTOCOL_ROLE_MAPPINGS.get(self.cleaned_data['protocol'], IPAddressRoleChoices.ROLE_VIP),
                 assigned_object=instance
             )
-            ipaddress.populate_custom_field_defaults()
             ipaddress.save()
 
             # Check that the new IPAddress conforms with any assigned object-level permissions