diff --git a/plugins.cabal b/plugins.cabal
index fcbbe61..719e307 100644
--- a/plugins.cabal
+++ b/plugins.cabal
@@ -5,8 +5,6 @@ License-file:   LICENSE
 author:         Don Stewart
 maintainer:     dons@cse.unsw.edu.au
 exposed-modules:
-        AltData.Dynamic,
-        AltData.Typeable,
         Language.Hi.Binary,
         Language.Hi.FastMutInt,
         Language.Hi.FastString,
diff --git a/src/System/Eval/Haskell.hs b/src/System/Eval/Haskell.hs
index 8b56a40..55f9144 100644
--- a/src/System/Eval/Haskell.hs
+++ b/src/System/Eval/Haskell.hs
@@ -48,8 +48,8 @@ import System.Eval.Utils
 import System.Plugins.Make
 import System.Plugins.Load
 
-import AltData.Dynamic             ( Dynamic )
-import AltData.Typeable            ( Typeable )
+import Data.Dynamic             ( Dynamic )
+import Data.Typeable            ( Typeable )
 
 import Data.Either
 import Data.Map as Map
diff --git a/src/System/Plugins/Load.hs b/src/System/Plugins/Load.hs
index 8d34f4b..5be2ee5 100644
--- a/src/System/Plugins/Load.hs
+++ b/src/System/Plugins/Load.hs
@@ -67,8 +67,8 @@ import System.Plugins.LoadTypes
 
 import Language.Hi.Parser
 
-import AltData.Dynamic          ( fromDynamic, Dynamic )
-import AltData.Typeable         ( Typeable )
+import Data.Dynamic          ( fromDynamic, Dynamic )
+import Data.Typeable         ( Typeable )
 
 import Data.List                ( isSuffixOf, nub, nubBy )
 import Control.Monad            ( when, filterM, liftM )