You may delete a billable metric linked to charges associated
with existing subscriptions.If you do so:
The events associated with this billable metric, which are assigned to the
current billing period or linked to draft invoices, will be immediately
deleted;
The charges associated with this billable metric will be immediately removed
from all plans and existing subscriptions;
The charges associated with this billable metric will no longer be included in
the current usage of the customers
concerned; and
The charges associated with this billable metric will be immediately removed
from all draft invoices linked to these subscriptions.
However, the charges associated with this billable metric will still be included
in all finalized invoices linked to these subscriptions.
After deleting a billable metric, you can create a new one using the same
code. However, past events will not be linked to this new billable metric.