Google has recently given a new feature known as 'Dataflow Templates' which have got a number of tasks that you can do without writing any code. Click the link on top of Dataflow page: You can select task from the list of available options: Select 'Bulk Delete Entities in Cloud Datastore' from the list. Fill in the required parameters. Instead of table name, it asks for GQL query. For selecting all the entities in a table give "select * from " . IMPORTANT: In the optional parameters, you should specify the namespace/tenant for which you want to delete the entities. Not specifying namespace will delete ALL the records from the selected table across the tenants . Once done, press 'Run Job'. Dataflow will launch and do the cleanup. You can read documentation here . Source code of all templates is also on github .