To delete the incorrect activity entry please go to your Walker Tracker profile page. Find (scroll down) to the date which you would like to delete a converted activity entry.
Next, click on the small pencil icon next to the entry.
1. Click 'convert an activity'.
2. Click the small light grey [x] button next to the entry you want to delete.
3. Click the green 'update entry' button.
Click the below link for more info: