You can delete your data by going to My Activity and choosing to delete Crowdsource data, either for a particular Task or all your Crowdsource data.
- Visit My Activity (accessible via "My Activity -> Other Activity -> Your Crowdsource Activity”)
- Click on the "Delete All" button to delete all data contributed to Crowdsource. You can also go into specific Task pages to delete specific categories of data.
You can find more details on how Google deletes your data here.
For more information on how Google uses your information, see Google’s Terms of Service and Privacy Policy.