Disconnect from Google Drive

First, login to your Google Drive account by navigating to drive.google.com. 

Select the settings icon below your avatar icon. 

Select Settings from the drop down menu. 

Select Manage Apps, then scroll down to find SmartDraw within the Settings dialog window. Choose Options. 

Select Disconnect from Drive. 

Choose Disconnect from the Disconnect app dialog window. 

The change takes place immediately- you can see that SmartDraw is now removed from the Manage Apps section of the Settings dialog window. Click Done.