diff --git a/src/Hanafuda/KoiKoi.hs b/src/Hanafuda/KoiKoi.hs
index 28f4a2d..c6d3d3e 100644
--- a/src/Hanafuda/KoiKoi.hs
+++ b/src/Hanafuda/KoiKoi.hs
@@ -4,8 +4,7 @@ module Hanafuda.KoiKoi (
       Action(..)
     , Card(..)
     , Environment
-    , Game
-    , GameBlueprint(..)
+    , Game(..)
     , GameID
     , Mode(..)
     , Move(..)
@@ -22,7 +21,7 @@ import Hanafuda (Card(..), Flower(Pine), contains, flower, match, remove)
 import qualified Hanafuda.Player as Player (players, random, scores)
 import Hanafuda.KoiKoi.Yaku (Yaku(..), Score)
 import Hanafuda.KoiKoi.Game (
-      Action(..), Environment, Game, GameBlueprint(..), GameID, Mode(..), Move(..), PlayerID
+      Action(..), Environment, Game(..), GameID, Mode(..), Move(..), PlayerID
     , Source(..), Step(..)
   )
 import qualified Hanafuda.KoiKoi.Round as Round (deal, next)
diff --git a/src/Hanafuda/KoiKoi/Game.hs b/src/Hanafuda/KoiKoi/Game.hs
index 3f45905..f1c2233 100644
--- a/src/Hanafuda/KoiKoi/Game.hs
+++ b/src/Hanafuda/KoiKoi/Game.hs
@@ -4,8 +4,7 @@
 module Hanafuda.KoiKoi.Game (
       Action(..)
     , Environment
-    , Game
-    , GameBlueprint(..)
+    , Game(..)
     , GameID
     , ID
     , Mode(..)
@@ -40,7 +39,7 @@ type Environment m = (MonadIO m, MonadError String m, MonadWriter [Action] m)
 type PlayerID = Player.ID KoiKoi.Score
 type GameID = ID Game
 
-data GameBlueprint deckType = Game {
+data Game = Game {
       mode :: Mode
     , scores :: Scores KoiKoi.Score
     , month :: Flower
@@ -48,13 +47,12 @@ data GameBlueprint deckType = Game {
     , playing :: PlayerID
     , winning :: PlayerID
     , oyake :: PlayerID
-    , deck :: deckType
+    , deck :: [Card]
     , river :: Pack
     , step :: Step
     , trick :: [Card]
     , rounds :: [(PlayerID, KoiKoi.Score)]
   } deriving (Show)
-type Game = GameBlueprint [Card]
 
 setPlayer :: Game -> Player KoiKoi.Score -> Game
 setPlayer game@(Game {players, playing}) player = game {players = set playing player players}
diff --git a/src/Hanafuda/KoiKoi/Round.hs b/src/Hanafuda/KoiKoi/Round.hs
index 34798f4..b898987 100644
--- a/src/Hanafuda/KoiKoi/Round.hs
+++ b/src/Hanafuda/KoiKoi/Round.hs
@@ -6,7 +6,7 @@ module Hanafuda.KoiKoi.Round (
 
 import Hanafuda (Flower(Paulownia), cards, shuffle, packOfCards)
 import Hanafuda.KoiKoi.Yaku (sumYakus)
-import Hanafuda.KoiKoi.Game (Game, GameBlueprint(..), Mode(..), Step(..), end)
+import Hanafuda.KoiKoi.Game (Game(..), Mode(..), Step(..), end)
 import qualified Hanafuda.Player as Player (deal, get, next, score, yakus)
 import Data.Map ((!), insert)
 import Control.Monad.IO.Class (MonadIO)
diff --git a/src/Hanafuda/KoiKoi/Turn.hs b/src/Hanafuda/KoiKoi/Turn.hs
index 27fcabd..7192bc7 100644
--- a/src/Hanafuda/KoiKoi/Turn.hs
+++ b/src/Hanafuda/KoiKoi/Turn.hs
@@ -11,7 +11,7 @@ import Hanafuda (Card, Pack, empty, match)
 import Hanafuda.Player (Player(..), plays)
 import qualified Hanafuda.Player as Player (get, next)
 import Hanafuda.KoiKoi.Yaku (meldInto)
-import Hanafuda.KoiKoi.Game (Action(..), Environment, Game, GameBlueprint(..), Source(..), Step(..), setPlayer)
+import Hanafuda.KoiKoi.Game (Action(..), Environment, Game(..), Source(..), Step(..), setPlayer)
 import qualified Hanafuda.KoiKoi.Round as Round (next)
 import Control.Monad.Except (MonadError(..))
 import Control.Monad.IO.Class (MonadIO)