Follow these steps to delete the custom domain of your Looker (Google Cloud core) instance:
On theInstancespage, click the name of the instance for which you would like to remove the custom domain.
Select theCUSTOM DOMAINtab.
Select theDeletetrash icon next in the domain mapping.
In the deletion dialog, type "delete" into the text field and selectCONFIRM.
Once the domain mapping is deleted, you will be directed to theInstancespage in the Google Cloud console. TheInstance URLon the page will revert the default domain that was assigned when the Looker (Google Cloud core) instance was created.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-10-24 UTC."],[],[]]
