Google announced they will stop serving Flash ads in 2017

Google announced that Starting June 30th, 2016, display ads built in Flash can no longer be uploaded into AdWords and DoubleClick Digital Marketing.

Starting January 2nd, 2017, display ads in the Flash format can no longer run on the Google Display Network or through DoubleClick.

In a Google+ post announcing the news, Google added ''AdWords advertisers who currently use Flash ads in their campaigns have several easy ways to ensure your creative can continue to show on the Google Display.''