Suter will be sent to Triple-A Colorado Springs on Monday to make room for Matt Garza (groin), Adam McCalvy of of MLB.com reports.
Suter had gotten off to a rough start in his four appearances for Milwaukee, posting a 5.68 ERA across 6.1 innings. He'll be a prime candidate to return to the Brewers' big-league roster the next time they need bullpen reinforcements.