#### Bug, feature request, or proposal: (Bug): Ripple animation not closing while check and uncheck the box. #### What is the expected behavior? Ripple animation will be smooth while check and uncheck the box. #### Which versions of Angular, Material, OS, TypeScript, browsers are affected? "@angular/material": "^7.0.0-beta.2" <img width="39" alt="uncheck ripple" src="https://user-images.githubusercontent.com/28265981/45958182-c5fde680-bfe4-11e8-8de9-407e679bab48.png"> <img width="47" alt="check ripple" src="https://user-images.githubusercontent.com/28265981/45958183-c5fde680-bfe4-11e8-96d6-e7715e614849.png">