@@ -28,7 +28,6 @@ import Data.Typeable
2828import Data.ByteString (ByteString)
2929import qualified Data.List.NonEmpty as NE
3030import Data.Vector.Instances ()
31−import Data.Hashable.Generic
3231
3332type StringType = Text
3433
@@ -228,8 +227,7 @@ data RelationalExprBase a =
228227 With [(WithNameExprBase a, RelationalExprBase a)] (RelationalExprBase a)
229228 deriving (Show, Read, Eq, Generic, NFData, Foldable, Functor, Traversable)
230229
231−instance Hashable RelationalExpr where
232− hashWithSalt = genericHashWithSalt
230+instance Hashable RelationalExpr
233231
234232instance Binary RelationalExpr
235233
@@ -337,8 +335,7 @@ type DatabaseContextExprName = StringType
337335
338336type DatabaseContextExpr = DatabaseContextExprBase ()
339337
340−instance Hashable DatabaseContextExpr where
341− hashWithSalt = genericHashWithSalt
338+instance Hashable DatabaseContextExpr
342339
343340type GraphRefDatabaseContextExpr = DatabaseContextExprBase GraphRefTransactionMarker
344341
@@ -584,8 +581,7 @@ type GraphRefTupleExpr = TupleExprBase GraphRefTransactionMarker
584581data TupleExprsBase a = TupleExprs a [TupleExprBase a]
585582 deriving (Eq, Show, Read, Generic, NFData, Foldable, Functor, Traversable)
586583
587−instance Hashable TupleExprs where
588− hashWithSalt = genericHashWithSalt
584+instance Hashable TupleExprs
589585
590586type GraphRefTupleExprs = TupleExprsBase GraphRefTransactionMarker
591587