diff --git a/Database/Persist/Sql/Class.hs b/Database/Persist/Sql/Class.hs
--- a/Database/Persist/Sql/Class.hs
+++ b/Database/Persist/Sql/Class.hs
@@ -22,19 +22,6 @@
 import Data.Fixed
 import Data.Proxy (Proxy)
 
-import Control.Monad.Trans.Identity ( IdentityT)
-import Control.Monad.Trans.List     ( ListT    )
-import Control.Monad.Trans.Maybe    ( MaybeT   )
-import Control.Monad.Trans.Error    ( ErrorT, Error)
-
-#if MIN_VERSION_transformers(0,4,0)
-import Control.Monad.Trans.Except   ( ExceptT  )
-#endif
-
-import Control.Monad.Trans.Reader   ( ReaderT, ask  )
-import Control.Monad.Trans.Resource ( ResourceT )
-import Data.Conduit.Internal (Pipe, ConduitM)
-
 import Control.Monad.IO.Class (MonadIO)
 import Control.Monad.Trans.Class (MonadTrans)
 
diff --git a/Database/Persist/Sql/Orphan/PersistStore.hs b/Database/Persist/Sql/Orphan/PersistStore.hs
--- a/Database/Persist/Sql/Orphan/PersistStore.hs
+++ b/Database/Persist/Sql/Orphan/PersistStore.hs
@@ -215,3 +215,4 @@
 
 updatePersistValue :: Update v -> PersistValue
 updatePersistValue (Update _ v _) = toPersistValue v
+updatePersistValue (BackendUpdate {}) = error "updatePersistValue did not expect BackendUpdate"
diff --git a/persistent.cabal b/persistent.cabal
--- a/persistent.cabal
+++ b/persistent.cabal
@@ -1,5 +1,5 @@
 name:            persistent
-version:         2.0.0
+version:         2.0.0.1
 license:         MIT
 license-file:    LICENSE
 author:          Michael Snoyman <michael@snoyman.com>