Starbucks Corp., the world’s largest coffee-shop chain, is shuttering its Teavana tea bars. Photographer: Mati Milstein/Bloomberg

Starbucks announced they are shuttering all 379 Teavana units by the end of next year, ending a diversification strategy that began with some promise but ultimately yielded little other than new brands being incorporated into existing Starbucks locations.

Starbucks roster of acquisitions included Evolution Fresh in 2011 for $30 million. The freestanding juice stores (four were opened) were short lived but the brand continues to be marketed in Starbucks stores as well as thousands of free standing locations. La Boulange was acquired in 2012 for $100 million with the plan of opening new units and using the brand to improve food offerings within Starbucks. Twenty-three stores were shuttered in 2015 and Starbucks continues to evolve its in-store food offerings.

The biggest acquisition was Teavana, purchased for $620 million in 2012. At the time, the company intended to grow Teavana in malls, their primary outlet but also experimented with a number of free standing Teavana bars that…