diff --git a/yesod-core/Yesod/Core.hs b/yesod-core/Yesod/Core.hs
index e9e4b4bc..8a1c0dd2 100644
--- a/yesod-core/Yesod/Core.hs
+++ b/yesod-core/Yesod/Core.hs
@@ -52,7 +52,7 @@ module Yesod.Core
     ) where
 
 import Yesod.Internal.Core
-import Yesod.Internal (Header(..))
+import Yesod.Internal
 import Yesod.Content
 import Yesod.Dispatch
 import Yesod.Handler
diff --git a/yesod-core/Yesod/Internal/Core.hs b/yesod-core/Yesod/Internal/Core.hs
index 0beb568b..0726cca2 100644
--- a/yesod-core/Yesod/Internal/Core.hs
+++ b/yesod-core/Yesod/Internal/Core.hs
@@ -26,7 +26,6 @@ module Yesod.Internal.Core
     , fileLocationToString
     , messageLoggerHandler
       -- * Sessions
-    , Session
     , SessionBackend (..)
     , defaultClientSessionBackend
     , clientSessionBackend