In the army reorganization later that year, his brigade was disbanded and Smith returned on January 3, 1864 to the command of the 73rd OVI. He resigned his colonelcy on February 17, 1864.
The army reorganization resulted in the dissolution of Smith's brigade, and he was subsequently appointed to command the 73rd OVI again on January 3, 1864. He relinquished his colonelcy on February 17, 1864.