Facebook (NASDAQ: FB) has announced that it is shutting down three apps purchased by the company in recent years. One of the apps has only been in Facebook’s possession for eight months. The reason for closing all three apps was cited as “low usage.”

One of the apps being shuttered is an anonymous social app called tbh, which stands for the popular texting acronym “to be honest”. The teen-focused app let users participate in anonymous polls and give positive feedback to friends. The app was purchased for an undisclosed sum last October. At the time, tbh was enjoying a terrific rise in popularity. Over 5 million people downloaded the app over several weeks.

There has been speculation that Facebook was more interested in the team behind tbh than the actual app. Following the acquisition, tbh’s four co-creators, Nikita Bier, Erik Hazzard, Kyle Zaragoza, and Nicolas Ducdodon, joined Facebook’s Menlo Park headquarters. The team will reportedly stay on at Facebook and continue to work on other products.

The other two apps being shuttered are Hello and Moves. Hello was developed in-house in 2015 to help Android users combine information from Facebook with their phone contacts data. Hello only seemed to make it four months before being abandoned. Facebook said Hello will shut down in “a few weeks.”

Moves is a fitness tracking app that was launched in 2013 and bought by Facebook a year later. The app didn’t see much improvement after launch and hasn’t been updated in more than a year. The company says that Moves will be shuttered at the end of July.

Facebook said in its announcement, “We know some people are still using these apps and will be disappointed—and we’d like to take this opportunity to thank them for their support. But we need to prioritize our work so we don’t spread ourselves too thin.” The statement continued, “It’s only by trial and error that we’ll create great social experiences for people.” Facebook says that it will delete all of the apps’ user data within 90 days.