diff --git a/app/Main.hs b/app/Main.hs
index 61278d1..e311857 100644
--- a/app/Main.hs
+++ b/app/Main.hs
@@ -9,11 +9,8 @@ import Data.Time.Clock
 import qualified Data.List as L
 import System.IO
 import qualified Data.Text as T
-import qualified Data.Text.IO as T
 import qualified Data.Text.Lazy as LT
-import Data.Maybe
 import System.Environment
-import System.Exit
 import Data.Time.Format.ISO8601
 import Sender
 import Monad