Competition from South Side shopping centers, such as TOWN & COUNTRY and DAYTON MALL, had put the hurt on HILLS & DALES by the late 1970s. Big-name stores pulled up stakes. What eventually remained was a run down, virtually abandoned hulk. The past-its-prime property was knocked down in late 1999.
Photo from https://docs.google.com

A freestanding Ponderosa Steakhouse, in the northwest corner of the mall site, was renovated into a bank branch in late 1997. 
Photo from Montgomery County, Ohio

One of twelve freestanding structures that make up today's Governor's Place. The office park was built on the old HILLS &  DALES CENTER site in the early 2000s.
Photo from www.loopnet.com