diff --git a/src/System/Hapistrano/Core.hs b/src/System/Hapistrano/Core.hs
index 82cf8e2..e22e08b 100644
--- a/src/System/Hapistrano/Core.hs
+++ b/src/System/Hapistrano/Core.hs
@@ -23,7 +23,6 @@ where
 import           Control.Concurrent.STM     (atomically)
 import           Control.Monad
 import           Control.Monad.Catch        (throwM)
-import           Control.Monad.Except
 import           Control.Monad.Reader
 import           Data.Proxy
 import           Data.Time