diff --git a/yesod-bin/Devel.hs b/yesod-bin/Devel.hs
index b477557c..b7c0de28 100644
--- a/yesod-bin/Devel.hs
+++ b/yesod-bin/Devel.hs
@@ -13,7 +13,6 @@ import           Control.Concurrent                    (threadDelay)
 import           Control.Concurrent.Async              (race_)
 import           Control.Concurrent.STM
 import           Control.Concurrent.MVar
-import System.IO
 import qualified Control.Exception.Safe                as Ex
 import           Control.Monad                         (forever, unless, void,
                                                         when)