diff --git a/yesod/Yesod/Default/Config.hs b/yesod/Yesod/Default/Config.hs
index dba3889d..6e2dbf45 100644
--- a/yesod/Yesod/Default/Config.hs
+++ b/yesod/Yesod/Default/Config.hs
@@ -15,7 +15,7 @@ module Yesod.Default.Config
     , withYamlEnvironment
     ) where
 
-import Data.Char (toUpper, toLower)
+import Data.Char (toUpper)
 import Data.Text (Text)
 import qualified Data.Text as T
 import Data.Yaml
diff --git a/yesod/Yesod/Default/Config2.hs b/yesod/Yesod/Default/Config2.hs
index fed812b9..e477d216 100644
--- a/yesod/Yesod/Default/Config2.hs
+++ b/yesod/Yesod/Default/Config2.hs
@@ -20,7 +20,11 @@ module Yesod.Default.Config2
     , requireCustomEnv
     ) where
 
+
+#if __GLASGOW_HASKELL__ < 710
+import Control.Applicative ((<$>))
 import Data.Monoid
+#endif
 import Data.Semigroup
 import Data.List.NonEmpty (nonEmpty)
 import Data.Aeson
@@ -28,7 +32,6 @@ import qualified Data.HashMap.Strict as H
 import Data.Text (Text, pack)
 import System.Environment (getEnvironment, getArgs)
 import Control.Arrow ((***))
-import Control.Applicative ((<$>))
 import Control.Monad (forM)
 import Control.Exception (throwIO)
 import Data.Text.Encoding (encodeUtf8)