Edit or delete a price rule
Edit a price rule
On the Price rules page, hover over the price rule you wish to edit. Click on the more options button and select Edit. On the resulting page, edit the price rule configuration.

Alternatively, when you click on a price rule, in the resulting side menu, you will have the option to edit in the bottom of the panel.
The updated price rule will apply to the sales made after the changes have been saved.
Delete a price rule
On the Price rules page, hover over the price rule you wish to delete. Click on the more options button and select Delete to delete a price rule.