Sync folder not deleted in drive, on permission removal

Step1 User1 Drive: Setup drive with ssdi1
Step2 User2 Web: Create folder 'Parent' and 'Parent\Child'
Step3 User2 Web: Share both folders 'Parent' and 'Parent\Child' to User1 with 'Everything' as permission.
Step4 User1 Web: Enable Sync Root to 'Child'
Step5 User1 Drive: Wait until Folder 'Child' is synchronized.
Step6 User2 Web: Remove share permission to 'Child'
Step7 User1 Drive: wait for 30 seconds, sync cycle to complete
Step8 User2 Web: Remove share permissions to 'Parent'
Step7 User1 Drive: wait for next sync cycle to complete.

Current: 'Child' is not removed from User1 Drive.
Expected: 'Child' should be removed from User1 Drive.