You can delete attributes of code values that you no longer need as components of code values. When you delete attributes, the attributes are no longer components of code values. You must be a Primary Owner to delete attributes.
You can delete attributes in reference data sets or empty code lists. You can also delete attributes that are required.
You cannot delete the following types of attributes:
Default attributes such as Name and Code
Attributes that are used as display attributes for the asset
Attributes that are used as display attributes in dependent reference data sets or dependent code lists
Attributes that are used as Reference Data attributes