You can delete language code values that you no longer need.
1In the Explore panel, select the Localization Languages code list and click Open.
The code list opens in a new tab. The Values tab lists the code values.
2Click Lock.
A draft version of the code list is created.
3Select the code value that you want to delete, and then click Delete.
Note:
You can't delete a code value that is set as a default langauge for the organization. To delete the code value, assign a different default language and then delete it.
When you are done deleting code values, send your changes for approval.